LCOV - code coverage report
Current view: top level - sql/backends/monet5 - sql_cat.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 1139 1513 75.3 %
Date: 2024-04-26 00:35:57 Functions: 62 62 100.0 %

          Line data    Source code
       1             : /*
       2             :  * SPDX-License-Identifier: MPL-2.0
       3             :  *
       4             :  * This Source Code Form is subject to the terms of the Mozilla Public
       5             :  * License, v. 2.0.  If a copy of the MPL was not distributed with this
       6             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       7             :  *
       8             :  * Copyright 2024 MonetDB Foundation;
       9             :  * Copyright August 2008 - 2023 MonetDB B.V.;
      10             :  * Copyright 1997 - July 2008 CWI.
      11             :  */
      12             : 
      13             : /*
      14             :  * authors M Kersten, N Nes
      15             :  * SQL catalog support implementation
      16             :  * This module contains the wrappers around the SQL catalog operations
      17             :  */
      18             : #include "monetdb_config.h"
      19             : #include "sql_cat.h"
      20             : #include "sql_gencode.h"
      21             : #include "sql_optimizer.h"
      22             : #include "sql_scenario.h"
      23             : #include "sql_mvc.h"
      24             : #include "sql_qc.h"
      25             : #include "sql_partition.h"
      26             : #include "sql_statistics.h"
      27             : #include "mal_namespace.h"
      28             : #include "opt_prelude.h"
      29             : #include "querylog.h"
      30             : #include "mal_builder.h"
      31             : 
      32             : #include "rel_select.h"
      33             : #include "rel_prop.h"
      34             : #include "rel_rel.h"
      35             : #include "rel_exp.h"
      36             : #include "rel_bin.h"
      37             : #include "rel_dump.h"
      38             : #include "orderidx.h"
      39             : #include "sql_user.h"
      40             : 
      41             : #define initcontext()                                                                                                   \
      42             :         if ((msg = getSQLContext(cntxt, mb, &sql, NULL)) != NULL)                   \
      43             :                 return msg;                                                                                                             \
      44             :         if ((msg = checkSQLContext(cntxt)) != NULL)                                                     \
      45             :                 return msg;                                                                                                             \
      46             :         if (store_readonly(sql->session->tr->store))                                           \
      47             :                 throw(SQL,"sql.cat",SQLSTATE(25006) "Schema statements cannot be executed on a readonly database.");
      48             : 
      49             : static char *
      50       24909 : SaveArgReference(MalStkPtr stk, InstrPtr pci, int arg)
      51             : {
      52       24909 :         char *val = *getArgReference_str(stk, pci, arg);
      53             : 
      54       29843 :         if (strNil(val))
      55             :                 val = NULL;
      56       24909 :         return val;
      57             : }
      58             : 
      59             : static int
      60        2024 : table_has_updates(sql_trans *tr, sql_table *t)
      61             : {
      62        2024 :         node *n;
      63        2024 :         int cnt = 0;
      64        2024 :         sqlstore *store = tr->store;
      65             : 
      66        6332 :         for ( n = ol_first_node(t->columns); !cnt && n; n = n->next) {
      67        4308 :                 sql_column *c = n->data;
      68             : 
      69        4308 :                 size_t upd = store->storage_api.count_col( tr, c, 2/* count updates */);
      70        4308 :                 cnt |= upd > 0;
      71             :         }
      72        2024 :         return cnt;
      73             : }
      74             : 
      75             : static char *
      76         510 : rel_check_tables(mvc *sql, sql_table *nt, sql_table *nnt, const char *errtable)
      77             : {
      78         510 :         node *n, *m, *nn, *mm;
      79             : 
      80         510 :         if (ol_length(nt->columns) != ol_length(nnt->columns))
      81           1 :                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table doesn't match %s definition", errtable, errtable);
      82        1639 :         for (n = ol_first_node(nt->columns), m = ol_first_node(nnt->columns); n && m; n = n->next, m = m->next) {
      83        1133 :                 sql_column *nc = n->data;
      84        1133 :                 sql_column *mc = m->data;
      85             : 
      86        1133 :                 if (subtype_cmp(&nc->type, &mc->type) != 0)
      87           0 :                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table column type doesn't match %s definition", errtable, errtable);
      88        1133 :                 if (nc->null != mc->null)
      89           1 :                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table column NULL check doesn't match %s definition", errtable, errtable);
      90        1132 :                 if (isRangePartitionTable(nt) || isListPartitionTable(nt)) {
      91         457 :                         if ((nc->def || mc->def) && (!nc->def || !mc->def || strcmp(nc->def, mc->def) != 0))
      92           2 :                                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table column DEFAULT value doesn't match %s definition", errtable, errtable);
      93             :                 }
      94             :         }
      95         506 :         if (ol_length(nt->keys) != ol_length(nnt->keys))
      96           2 :                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table key doesn't match %s definition", errtable, errtable);
      97         504 :         if (ol_length(nt->keys))
      98         111 :                 for (n = ol_first_node(nt->keys), m = ol_first_node(nnt->keys); n && m; n = n->next, m = m->next) {
      99          60 :                         sql_key *ni = n->data;
     100          60 :                         sql_key *mi = m->data;
     101             : 
     102          60 :                         if (ni->type != mi->type)
     103           0 :                                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table key type doesn't match %s definition", errtable, errtable);
     104          60 :                         if (list_length(ni->columns) != list_length(mi->columns))
     105           0 :                                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table key type doesn't match %s definition", errtable, errtable);
     106         118 :                         for (nn = ni->columns->h, mm = mi->columns->h; nn && mm; nn = nn->next, mm = mm->next) {
     107          60 :                                 sql_kc *nni = nn->data;
     108          60 :                                 sql_kc *mmi = mm->data;
     109             : 
     110          60 :                                 if (nni->c->colnr != mmi->c->colnr)
     111           2 :                                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table key's columns doesn't match %s definition", errtable, errtable);
     112             :                         }
     113             :                 }
     114             : 
     115             :         /* For indexes, empty ones can be ignored, which makes validation trickier */
     116         502 :         n = ol_length(nt->idxs) ? ol_first_node(nt->idxs) : NULL;
     117         502 :         m = ol_length(nnt->idxs) ? ol_first_node(nnt->idxs) : NULL;
     118         506 :         for (; n || m; n = n->next, m = m->next) {
     119             :                 sql_idx *ni, *mi;
     120             : 
     121         104 :                 while (n) {
     122          57 :                         ni = n->data;
     123          57 :                         if ((!hash_index(ni->type) || list_length(ni->columns) > 1) && idx_has_column(ni->type))
     124             :                                 break;
     125          53 :                         n = n->next;
     126             :                 }
     127         104 :                 while (m) {
     128          57 :                         mi = m->data;
     129          57 :                         if ((!hash_index(mi->type) || list_length(mi->columns) > 1) && idx_has_column(mi->type))
     130             :                                 break;
     131          53 :                         m = m->next;
     132             :                 }
     133             : 
     134          51 :                 if (!n && !m) /* no more idxs to check, done */
     135             :                         break;
     136           4 :                 if ((m && !n) || (!m && n))
     137           0 :                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table index type doesn't match %s definition", errtable, errtable);
     138             : 
     139           4 :                 assert(m && n);
     140           4 :                 ni = n->data;
     141           4 :                 mi = m->data;
     142           4 :                 if (ni->type != mi->type)
     143           0 :                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table index type doesn't match %s definition", errtable, errtable);
     144           4 :                 if (list_length(ni->columns) != list_length(mi->columns))
     145           0 :                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table key type doesn't match %s definition", errtable, errtable);
     146           8 :                 for (nn = ni->columns->h, mm = mi->columns->h; nn && mm; nn = nn->next, mm = mm->next) {
     147           4 :                         sql_kc *nni = nn->data;
     148           4 :                         sql_kc *mmi = mm->data;
     149             : 
     150           4 :                         if (nni->c->colnr != mmi->c->colnr)
     151           0 :                                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table index's columns doesn't match %s definition", errtable, errtable);
     152             :                 }
     153             :         }
     154             : 
     155         502 :         if (nested_mergetable(sql->session->tr, nt/*mergetable*/, nnt->s->base.name, nnt->base.name/*parts*/))
     156           2 :                 throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table is a parent of the %s", errtable, errtable);
     157             :         return MAL_SUCCEED;
     158             : }
     159             : 
     160             : static char*
     161         518 : validate_alter_table_add_table(mvc *sql, char* call, char *msname, char *mtname, char *psname, char *ptname,
     162             :                                                            sql_table **mt, sql_table **pt, int update)
     163             : {
     164         518 :         char *msg = MAL_SUCCEED;
     165         518 :         sql_schema *ms = NULL, *ps = NULL;
     166         518 :         sql_table *rmt = NULL, *rpt = NULL;
     167             : 
     168         518 :         if (!(ms = mvc_bind_schema(sql, msname)))
     169           0 :                 throw(SQL,call,SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", msname);
     170         518 :         if (!(ps = mvc_bind_schema(sql, psname)))
     171           0 :                 throw(SQL,call,SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", psname);
     172         518 :         if (!mvc_schema_privs(sql, ms))
     173           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), ms->base.name);
     174         518 :         if (!mvc_schema_privs(sql, ps))
     175           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), ps->base.name);
     176         518 :         if (!(rmt = mvc_bind_table(sql, ms, mtname)))
     177           0 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", mtname, ms->base.name);
     178         518 :         if (!(rpt = mvc_bind_table(sql, ps, ptname)))
     179           0 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", ptname, ps->base.name);
     180             : 
     181         518 :         const char *errtable = TABLE_TYPE_DESCRIPTION(rmt->type, rmt->properties);
     182         518 :         if (!update && (!isMergeTable(rmt) && !isReplicaTable(rmt)))
     183           0 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: cannot add table '%s.%s' to %s '%s.%s'", psname, ptname, errtable, msname, mtname);
     184         518 :         if (isView(rpt))
     185           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: can't add a view into a %s", errtable);
     186         518 :         if (isDeclaredTable(rpt))
     187           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: can't add a declared table into a %s", errtable);
     188         518 :         if (isTempSchema(rpt->s))
     189           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: can't add a temporary table into a %s", errtable);
     190         518 :         if (ms->base.id != ps->base.id)
     191           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: all children tables of '%s.%s' must be part of schema '%s'", msname, mtname, msname);
     192         518 :         if (rmt->base.id == rpt->base.id)
     193           1 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: a %s can't be a child of itself", errtable);
     194         517 :         node *n = members_find_child_id(rmt->members, rpt->base.id);
     195         517 :         if (n && !update)
     196           5 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: table '%s.%s' is already part of %s '%s.%s'", psname, ptname, errtable, msname, mtname);
     197         512 :         if (!n && update)
     198           2 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: table '%s.%s' isn't part of %s '%s.%s'", psname, ptname, errtable, msname, mtname);
     199         510 :         if ((msg = rel_check_tables(sql, rmt, rpt, errtable)) != MAL_SUCCEED)
     200             :                 return msg;
     201             : 
     202         500 :         *mt = rmt;
     203         500 :         *pt = rpt;
     204         500 :         return MAL_SUCCEED;
     205             : }
     206             : 
     207             : static char *
     208         247 : alter_table_add_table(mvc *sql, char *msname, char *mtname, char *psname, char *ptname)
     209             : {
     210         247 :         sql_table *mt = NULL, *pt = NULL;
     211         247 :         str msg = validate_alter_table_add_table(sql, "sql.alter_table_add_table", msname, mtname, psname, ptname, &mt, &pt, 0);
     212             : 
     213         247 :         if (msg == MAL_SUCCEED) {
     214         244 :                 if (isRangePartitionTable(mt))
     215           0 :                         return createException(SQL, "sql.alter_table_add_table",SQLSTATE(42000) "ALTER TABLE: a range partition is required while adding under a range partition table");
     216         244 :                 if (isListPartitionTable(mt))
     217           0 :                         return createException(SQL, "sql.alter_table_add_table",SQLSTATE(42000) "ALTER TABLE: a value partition is required while adding under a list partition table");
     218         244 :                 switch (sql_trans_add_table(sql->session->tr, mt, pt)) {
     219           0 :                         case -1:
     220           0 :                                 return createException(SQL,"sql.alter_table_add_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     221           3 :                         case -2:
     222             :                         case -3:
     223           3 :                                 return createException(SQL,"sql.alter_table_add_table",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
     224             :                         default:
     225             :                                 break;
     226             :                 }
     227             :         }
     228             :         return msg;
     229             : }
     230             : 
     231             : 
     232             : static char *
     233         213 : alter_table_add_range_partition(mvc *sql, char *msname, char *mtname, char *psname, char *ptname, ptr min, ptr max,
     234             :                                                                 bit with_nills, int update, lng cnt)
     235             : {
     236         213 :         sql_table *mt = NULL, *pt = NULL;
     237         213 :         sql_part *err = NULL;
     238         213 :         str msg = MAL_SUCCEED, err_min = NULL, err_max = NULL, conflict_err_min = NULL, conflict_err_max = NULL;
     239         213 :         int tp1 = 0, errcode = 0, min_null = 0, max_null = 0;
     240         213 :         size_t length = 0;
     241         213 :         sql_subtype tpe;
     242             : 
     243         213 :         if ((msg = validate_alter_table_add_table(sql, "sql.alter_table_add_range_partition", msname, mtname, psname, ptname, &mt, &pt, update))) {
     244             :                 return msg;
     245         199 :         } else if (!isRangePartitionTable(mt)) {
     246           0 :                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     247             :                                                                         "ALTER TABLE: cannot add range partition into a %s table",
     248           0 :                                                                         (isListPartitionTable(mt))?"list partition":"merge");
     249           0 :                 goto finish;
     250         199 :         } else if (!update && partition_find_part(sql->session->tr, pt, NULL)) {
     251           1 :                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     252             :                                                           "ALTER TABLE: table '%s.%s' is already part of another table",
     253             :                                                           psname, ptname);
     254           1 :                 goto finish;
     255             :         }
     256             : 
     257         198 :         find_partition_type(&tpe, mt);
     258         198 :         tp1 = tpe.type->localtype;
     259         198 :         min_null = ATOMcmp(tp1, min, ATOMnilptr(tp1)) == 0;
     260         198 :         max_null = ATOMcmp(tp1, max, ATOMnilptr(tp1)) == 0;
     261             : 
     262         198 :         if (!min_null && !max_null && ATOMcmp(tp1, min, max) > 0) {
     263           2 :                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000) "ALTER TABLE: minimum value is higher than maximum value");
     264           2 :                 goto finish;
     265             :         }
     266         196 :         if (!min_null && !max_null && ATOMcmp(tp1, min, max) == 0) {
     267           3 :                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000) "ALTER TABLE: minimum value is equal to the maximum value");
     268           3 :                 goto finish;
     269             :         }
     270             : 
     271         193 :         if (cnt) {
     272          18 :                 if (isPartitionedByColumnTable(mt)) {
     273          17 :                         throw(SQL, "sql.alter_table_add_range_partition", SQLSTATE(M0M29) "ALTER TABLE: there are values in column %s outside the partition range", mt->part.pcol->base.name);
     274           1 :                 } else if (isPartitionedByExpressionTable(mt)) {
     275           1 :                         throw(SQL, "sql.alter_table_add_range_partition", SQLSTATE(M0M29) "ALTER TABLE: there are values in the expression outside the partition range");
     276             :                 } else {
     277           0 :                         assert(0);
     278             :                 }
     279             :         }
     280             : 
     281         175 :         errcode = sql_trans_add_range_partition(sql->session->tr, mt, pt, tpe, min, max, with_nills, update, &err);
     282         175 :         switch (errcode) {
     283             :                 case 0:
     284             :                         break;
     285           0 :                 case -1:
     286           0 :                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     287           0 :                         break;
     288           1 :                 case -2:
     289             :                 case -3:
     290           1 :                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     291             :                                                                         "ALTER TABLE: failed due to conflict with another transaction");
     292           1 :                         break;
     293           0 :                 case -10:
     294           0 :                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     295             :                                                                         "ALTER TABLE: minimum value length is higher than %d", STORAGE_MAX_VALUE_LENGTH);
     296           0 :                         break;
     297           0 :                 case -11:
     298           0 :                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     299             :                                                                         "ALTER TABLE: maximum value length is higher than %d", STORAGE_MAX_VALUE_LENGTH);
     300           0 :                         break;
     301          38 :                 case -12:
     302          38 :                         assert(err);
     303          38 :                         if (is_bit_nil(err->with_nills)) {
     304           4 :                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     305           4 :                                                                                 "ALTER TABLE: conflicting partitions: table %s.%s stores every possible value", err->t->s->base.name, err->base.name);
     306          34 :                         } else if (with_nills && err->with_nills) {
     307           6 :                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     308             :                                                                                 "ALTER TABLE: conflicting partitions: table %s.%s stores null values and only "
     309           6 :                                                                                 "one partition can store null values at the time", err->t->s->base.name, err->base.name);
     310             :                         } else {
     311          28 :                                 ssize_t (*atomtostr)(str *, size_t *, const void *, bool) = BATatoms[tp1].atomToStr;
     312          28 :                                 const void *nil = ATOMnilptr(tp1);
     313          28 :                                 sql_table *errt = mvc_bind_table(sql, mt->s, err->base.name);
     314             : 
     315          28 :                                 if (!errt) {
     316           0 :                                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     317           0 :                                                                           "ALTER TABLE: cannot find partition table %s.%s", err->t->s->base.name, err->base.name);
     318           0 :                                         goto finish;
     319             :                                 }
     320          28 :                                 if (!ATOMcmp(tp1, nil, err->part.range.minvalue)) {
     321           9 :                                         if (!(conflict_err_min = GDKstrdup("absolute min value")))
     322           0 :                                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     323          19 :                                 } else if (atomtostr(&conflict_err_min, &length, err->part.range.minvalue, true) < 0) {
     324           0 :                                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     325             :                                 }
     326           0 :                                 if (msg)
     327           0 :                                         goto finish;
     328             : 
     329          28 :                                 if (!ATOMcmp(tp1, nil, err->part.range.maxvalue)) {
     330           8 :                                         if (!(conflict_err_max = GDKstrdup("absolute max value")))
     331           0 :                                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     332          20 :                                 } else if (atomtostr(&conflict_err_max, &length, err->part.range.maxvalue, true) < 0) {
     333           0 :                                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     334             :                                 }
     335           0 :                                 if (msg)
     336           0 :                                         goto finish;
     337             : 
     338          28 :                                 if (!ATOMcmp(tp1, nil, min)) {
     339           5 :                                         if (!(err_min = GDKstrdup("absolute min value")))
     340           0 :                                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     341          23 :                                 } else if (atomtostr(&err_min, &length, min, true) < 0) {
     342           0 :                                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     343             :                                 }
     344           0 :                                 if (msg)
     345           0 :                                         goto finish;
     346             : 
     347          28 :                                 if (!ATOMcmp(tp1, nil, max)) {
     348           7 :                                         if (!(err_max = GDKstrdup("absolute max value")))
     349           0 :                                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     350          21 :                                 } else if (atomtostr(&err_max, &length, max, true) < 0) {
     351           0 :                                         msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     352             :                                 }
     353           0 :                                 if (msg)
     354           0 :                                         goto finish;
     355             : 
     356          28 :                                 msg = createException(SQL,"sql.alter_table_add_range_partition",SQLSTATE(42000)
     357             :                                                                           "ALTER TABLE: conflicting partitions: %s to %s and %s to %s from table %s.%s",
     358          28 :                                                                           err_min, err_max, conflict_err_min, conflict_err_max, errt->s->base.name, errt->base.name);
     359             :                         }
     360             :                         break;
     361             :                 default:
     362           0 :                         assert(0);
     363             :         }
     364             : 
     365         181 : finish:
     366         181 :         if (err_min)
     367          28 :                 GDKfree(err_min);
     368         181 :         if (err_max)
     369          28 :                 GDKfree(err_max);
     370         181 :         if (conflict_err_min)
     371          28 :                 GDKfree(conflict_err_min);
     372         181 :         if (conflict_err_max)
     373          28 :                 GDKfree(conflict_err_max);
     374             :         return msg;
     375             : }
     376             : 
     377             : static char *
     378          58 : alter_table_add_value_partition(mvc *sql, MalStkPtr stk, InstrPtr pci, char *msname, char *mtname, char *psname,
     379             :                                                                 char *ptname, bit with_nills, int update, lng cnt)
     380             : {
     381          58 :         sql_table *mt = NULL, *pt = NULL;
     382          58 :         str msg = MAL_SUCCEED;
     383          58 :         sql_part *err = NULL;
     384          58 :         int errcode = 0, i = 0, ninserts = 0;
     385          58 :         sql_subtype tpe;
     386          58 :         list *values = NULL;
     387             : 
     388          58 :         assert(with_nills == false || with_nills == true); /* No nills allowed here */
     389          58 :         if ((msg = validate_alter_table_add_table(sql, "sql.alter_table_add_value_partition", msname, mtname, psname, ptname,
     390             :                                                                                          &mt, &pt, update))) {
     391             :                 return msg;
     392          57 :         } else if (!isListPartitionTable(mt)) {
     393           0 :                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     394             :                                                                         "ALTER TABLE: cannot add value partition into a %s table",
     395           0 :                                                                         (isRangePartitionTable(mt))?"range partition":"merge");
     396           0 :                 goto finish;
     397          57 :         } else if (!update && partition_find_part(sql->session->tr, pt, NULL)) {
     398           0 :                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     399             :                                                           "ALTER TABLE: table '%s.%s' is already part of another table",
     400             :                                                           psname, ptname);
     401           0 :                 goto finish;
     402             :         }
     403             : 
     404          57 :         find_partition_type(&tpe, mt);
     405          57 :         ninserts = pci->argc - pci->retc - 7;
     406          57 :         if (ninserts <= 0 && !with_nills) {
     407           0 :                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000) "ALTER TABLE: no values in the list");
     408           0 :                 goto finish;
     409             :         }
     410             : 
     411          57 :         if (cnt) {
     412           3 :                 if (isPartitionedByColumnTable(mt)) {
     413           2 :                         throw(SQL, "sql.alter_table_add_value_partition", SQLSTATE(M0M29) "ALTER TABLE: there are values in column %s outside the partition list of values", mt->part.pcol->base.name);
     414           1 :                 } else if (isPartitionedByExpressionTable(mt)) {
     415           1 :                         throw(SQL, "sql.alter_table_add_value_partition", SQLSTATE(M0M29) "ALTER TABLE: there are values in the expression outside the partition list of values");
     416             :                 } else {
     417           0 :                         assert(0);
     418             :                 }
     419             :         }
     420             : 
     421          54 :         values = list_create((fdestroy) &part_value_destroy);
     422         215 :         for ( i = pci->retc+7; i < pci->argc; i++){
     423         162 :                 sql_part_value *nextv = NULL;
     424         162 :                 ValRecord *vnext = &(stk)->stk[(pci)->argv[i]];
     425         162 :                 ptr pnext = VALget(vnext);
     426         162 :                 size_t len = ATOMlen(vnext->vtype, pnext);
     427             : 
     428         162 :                 if (VALisnil(vnext)) { /* check for an eventual null value which cannot be */
     429           0 :                         msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     430             :                                                                                                                                                         "ALTER TABLE: list value cannot be null");
     431           0 :                         list_destroy2(values, sql->session->tr->store);
     432           0 :                         goto finish;
     433             :                 }
     434             : 
     435         162 :                 nextv = ZNEW(sql_part_value); /* instantiate the part value */
     436         162 :                 nextv->value = NEW_ARRAY(char, len);
     437         162 :                 memcpy(nextv->value, pnext, len);
     438         162 :                 nextv->length = len;
     439             : 
     440         162 :                 if (list_append_sorted(values, nextv, &tpe, sql_values_list_element_validate_and_insert) != NULL) {
     441           1 :                         msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     442             :                                                                         "ALTER TABLE: there are duplicated values in the list");
     443           1 :                         list_destroy2(values, sql->session->tr->store);
     444           1 :                         _DELETE(nextv->value);
     445           1 :                         _DELETE(nextv);
     446           1 :                         goto finish;
     447             :                 }
     448             :         }
     449             : 
     450          53 :         errcode = sql_trans_add_value_partition(sql->session->tr, mt, pt, tpe, values, with_nills, update, &err);
     451          53 :         if (errcode <= -10) {
     452           0 :                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     453             :                                                                   "ALTER TABLE: value at position %d length is higher than %d",
     454             :                                                                   (errcode * -1) - 10, STORAGE_MAX_VALUE_LENGTH);
     455             :         } else {
     456          53 :                 switch (errcode) {
     457             :                         case 0:
     458             :                                 break;
     459           0 :                         case -1:
     460           0 :                                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     461           0 :                                 break;
     462           0 :                         case -2:
     463             :                         case -3:
     464           0 :                                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     465             :                                                                                   "ALTER TABLE: failed due to conflict with another transaction");
     466           0 :                                 break;
     467           5 :                         case -4:
     468           5 :                                 msg = createException(SQL,"sql.alter_table_add_value_partition",SQLSTATE(42000)
     469             :                                                                                 "ALTER TABLE: the new partition is conflicting with the existing partition %s.%s",
     470           5 :                                                                                 err->t->s->base.name, err->base.name);
     471           5 :                                 break;
     472             :                         default:
     473           0 :                                 assert(0);
     474             :                 }
     475             :         }
     476             : 
     477             : finish:
     478             :         return msg;
     479             : }
     480             : 
     481             : static char *
     482         169 : alter_table_del_table(mvc *sql, char *msname, char *mtname, char *psname, char *ptname, int drop_action)
     483             : {
     484         169 :         sql_schema *ms = NULL, *ps = NULL;
     485         169 :         sql_table *mt = NULL, *pt = NULL;
     486         169 :         node *n = NULL;
     487             : 
     488         169 :         if (!(ms = mvc_bind_schema(sql, msname)))
     489           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", msname);
     490         169 :         if (!(ps = mvc_bind_schema(sql, psname)))
     491           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", psname);
     492         169 :         if (!mvc_schema_privs(sql, ms))
     493           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), ms->base.name);
     494         169 :         if (!mvc_schema_privs(sql, ps))
     495           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), ps->base.name);
     496         169 :         if (!(mt = mvc_bind_table(sql, ms, mtname)))
     497           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", mtname, ms->base.name);
     498         169 :         if (!(pt = mvc_bind_table(sql, ps, ptname)))
     499           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", ptname, ps->base.name);
     500         169 :         const char *errtable = TABLE_TYPE_DESCRIPTION(mt->type, mt->properties);
     501         169 :         if (!isMergeTable(mt) && !isReplicaTable(mt))
     502           0 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(42S02) "ALTER TABLE: cannot drop table '%s.%s' to %s '%s.%s'", psname, ptname, errtable, msname, mtname);
     503         169 :         if (!(n = members_find_child_id(mt->members, pt->base.id)))
     504           9 :                 throw(SQL,"sql.alter_table_del_table",SQLSTATE(42S02) "ALTER TABLE: table '%s.%s' isn't part of %s '%s.%s'", ps->base.name, ptname, errtable, ms->base.name, mtname);
     505             : 
     506         160 :         switch (sql_trans_del_table(sql->session->tr, mt, pt, drop_action)) {
     507           0 :                 case -1:
     508           0 :                         throw(SQL,"sql.alter_table_del_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     509           0 :                 case -2:
     510             :                 case -3:
     511           0 :                         throw(SQL,"sql.alter_table_del_table",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
     512             :                 default:
     513             :                         break;
     514             :         }
     515             :         return MAL_SUCCEED;
     516             : }
     517             : 
     518             : static char *
     519        2036 : alter_table_set_access(mvc *sql, char *sname, char *tname, int access)
     520             : {
     521        2036 :         sql_schema *s = NULL;
     522        2036 :         sql_table *t = NULL;
     523             : 
     524        2036 :         if (!(s = mvc_bind_schema(sql, sname)))
     525           0 :                 throw(SQL,"sql.alter_table_set_access",SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", sname);
     526        2036 :         if (s && !mvc_schema_privs(sql, s))
     527           0 :                 throw(SQL,"sql.alter_table_set_access",SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     528        2036 :         if (!(t = mvc_bind_table(sql, s, tname)))
     529           0 :                 throw(SQL,"sql.alter_table_set_access",SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", tname, s->base.name);
     530        2036 :         if (!isTable(t))
     531           0 :                 throw(SQL,"sql.alter_table_set_access",SQLSTATE(42000) "ALTER TABLE: access changes on %sS not supported", TABLE_TYPE_DESCRIPTION(t->type, t->properties));
     532        2036 :         if (t->access != access) {
     533        2036 :                 if (access && table_has_updates(sql->session->tr, t))
     534           0 :                         throw(SQL,"sql.alter_table_set_access",SQLSTATE(40000) "ALTER TABLE: set READ or INSERT ONLY not possible with outstanding updates (wait until updates are flushed)\n");
     535             : 
     536        2036 :                 switch (mvc_access(sql, t, access)) {
     537           0 :                         case -1:
     538           0 :                                 throw(SQL,"sql.alter_table_set_access",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     539           0 :                         case -2:
     540             :                         case -3:
     541           0 :                                 throw(SQL,"sql.alter_table_set_access",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
     542             :                         default:
     543             :                                 break;
     544             :                 }
     545             :         }
     546             :         return MAL_SUCCEED;
     547             : }
     548             : 
     549             : static char *
     550         334 : create_trigger(mvc *sql, char *sname, char *tname, char *triggername, int time, int orientation, int event, char *old_name, char *new_name, char *condition, char *query, int replace)
     551             : {
     552         334 :         sql_trigger *tri = NULL, *other = NULL;
     553         334 :         sql_schema *s = NULL;
     554         334 :         sql_table *t = NULL;
     555         334 :         const char *base = replace ? "CREATE OR REPLACE TRIGGER" : "CREATE TRIGGER";
     556             : 
     557        1001 :         if (!strNil(sname) && !strNil(tname)) {
     558         333 :                 if (!(s = mvc_bind_schema(sql, sname)))
     559           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: no such schema '%s'", base, sname);
     560         333 :                 if (!mvc_schema_privs(sql, s))
     561           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(42000) "%s: access denied for %s to schema '%s'", base, get_string_global_var(sql, "current_user"), s->base.name);
     562         333 :                 if (!(t = mvc_bind_table(sql, s, tname)))
     563           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: unknown table '%s'", base, tname);
     564         333 :                 if (isView(t))
     565           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: cannot create trigger on view '%s'", base, tname);
     566             :         } else {
     567           1 :                 if (!(s = mvc_bind_schema(sql, "sys")))
     568           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: no such schema '%s'", base, sname);
     569             :         }
     570             : 
     571         334 :         if ((other = mvc_bind_trigger(sql, s, triggername)) && !replace)
     572           0 :                 throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: name '%s' already in use", base, triggername);
     573             : 
     574         334 :         if (replace && other) {
     575           5 :                 if (other->t->base.id != t->base.id) /* defensive line */
     576           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: the to be replaced trigger '%s' is not from table '%s'", base, triggername, tname);
     577           5 :                 switch (mvc_drop_trigger(sql, s, other)) {
     578           0 :                         case -1:
     579           0 :                                 throw(SQL,"sql.create_trigger", SQLSTATE(HY013) MAL_MALLOC_FAIL);
     580           2 :                         case -2:
     581             :                         case -3:
     582           2 :                                 throw(SQL,"sql.create_trigger", SQLSTATE(42000) "%s: transaction conflict detected", base);
     583             :                         default:
     584             :                                 break;
     585             :                 }
     586             :         }
     587         332 :         switch (mvc_create_trigger(&tri, sql, t, triggername, time, orientation, event, old_name, new_name, condition, query)) {
     588           0 :                 case -1:
     589           0 :                         throw(SQL,"sql.create_trigger", SQLSTATE(HY013) MAL_MALLOC_FAIL);
     590           0 :                 case -2:
     591             :                 case -3:
     592           0 :                         throw(SQL,"sql.create_trigger", SQLSTATE(42000) "%s: transaction conflict detected", base);
     593         332 :                 default: {
     594         332 :                         char *buf;
     595         332 :                         sql_rel *r = NULL;
     596         332 :                         allocator *sa = sql->sa;
     597             : 
     598         332 :                         if (!(sql->sa = sa_create(sql->pa))) {
     599           0 :                                 sql->sa = sa;
     600           0 :                                 throw(SQL, "sql.create_trigger", SQLSTATE(HY013) MAL_MALLOC_FAIL);
     601             :                         }
     602         332 :                         if (!(buf = sa_strdup(sql->sa, query))) {
     603           0 :                                 sa_destroy(sql->sa);
     604           0 :                                 sql->sa = sa;
     605           0 :                                 throw(SQL, "sql.create_trigger", SQLSTATE(HY013) MAL_MALLOC_FAIL);
     606             :                         }
     607         332 :                         r = rel_parse(sql, s, buf, m_deps);
     608         332 :                         if (r)
     609         328 :                                 r = sql_processrelation(sql, r, 0, 0, 0, 0);
     610         328 :                         if (r) {
     611         328 :                                 list *blist = rel_dependencies(sql, r);
     612         328 :                                 if (mvc_create_dependencies(sql, blist, tri->base.id, TRIGGER_DEPENDENCY)) {
     613           0 :                                         sa_destroy(sql->sa);
     614           0 :                                         sql->sa = sa;
     615           0 :                                         throw(SQL, "sql.create_trigger", SQLSTATE(HY013) MAL_MALLOC_FAIL);
     616             :                                 }
     617             :                         }
     618         332 :                         sa_destroy(sql->sa);
     619         332 :                         sql->sa = sa;
     620         332 :                         if (!r) {
     621           4 :                                 if (strlen(sql->errstr) > 6 && sql->errstr[5] == '!')
     622           4 :                                         throw(SQL, "sql.create_trigger", "%s", sql->errstr);
     623             :                                 else
     624           0 :                                         throw(SQL, "sql.create_trigger", SQLSTATE(42000) "%s", sql->errstr);
     625             :                         }
     626             :                 }
     627             :         }
     628             :         return MAL_SUCCEED;
     629             : }
     630             : 
     631             : static char *
     632          80 : drop_trigger(mvc *sql, char *sname, char *tname, int if_exists)
     633             : {
     634          80 :         sql_trigger *tri = NULL;
     635          80 :         sql_schema *s = NULL;
     636             : 
     637          80 :         if (!(s = mvc_bind_schema(sql, sname))) {
     638           0 :                 if (if_exists)
     639             :                         return MAL_SUCCEED;
     640           0 :                 throw(SQL,"sql.drop_trigger",SQLSTATE(3F000) "DROP TRIGGER: no such schema '%s'", sname);
     641             :         }
     642          80 :         if (!mvc_schema_privs(sql, s))
     643           0 :                 throw(SQL,"sql.drop_trigger",SQLSTATE(42000) "DROP TRIGGER: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     644             : 
     645          80 :         if ((tri = mvc_bind_trigger(sql, s, tname)) == NULL) {
     646           0 :                 if (if_exists)
     647             :                         return MAL_SUCCEED;
     648           0 :                 throw(SQL,"sql.drop_trigger", SQLSTATE(3F000) "DROP TRIGGER: unknown trigger %s\n", tname);
     649             :         }
     650          80 :         switch (mvc_drop_trigger(sql, s, tri)) {
     651           0 :                 case -1:
     652           0 :                         throw(SQL,"sql.drop_trigger",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     653           1 :                 case -2:
     654             :                 case -3:
     655           1 :                         throw(SQL,"sql.drop_trigger",SQLSTATE(42000) "DROP TRIGGER: transaction conflict detected");
     656             :                 default:
     657             :                         break;
     658             :         }
     659             :         return MAL_SUCCEED;
     660             : }
     661             : 
     662             : char *
     663        3391 : drop_table(mvc *sql, char *sname, char *tname, int drop_action, int if_exists)
     664             : {
     665        3391 :         sql_schema *s = NULL;
     666        3391 :         sql_table *t = NULL;
     667             : 
     668        3391 :         if (!(s = mvc_bind_schema(sql, sname))) {
     669           0 :                 if (if_exists)
     670             :                         return MAL_SUCCEED;
     671           0 :                 throw(SQL,"sql.drop_table",SQLSTATE(3F000) "DROP TABLE: no such schema '%s'", sname);
     672             :         }
     673        3391 :         if (!(t = mvc_bind_table(sql, s, tname))) {
     674           0 :                 if (if_exists)
     675             :                         return MAL_SUCCEED;
     676           0 :                 throw(SQL,"sql.drop_table", SQLSTATE(42S02) "DROP TABLE: no such table '%s'", tname);
     677             :         }
     678        3391 :         if (isView(t))
     679           1 :                 throw(SQL,"sql.drop_table", SQLSTATE(42000) "DROP TABLE: cannot drop VIEW '%s'", tname);
     680        3390 :         if (t->system)
     681           1 :                 throw(SQL,"sql.drop_table", SQLSTATE(42000) "DROP TABLE: cannot drop system table '%s'", tname);
     682        3389 :         if (!mvc_schema_privs(sql, s) && !(isTempSchema(s) && t->persistence == SQL_LOCAL_TEMP))
     683           2 :                 throw(SQL,"sql.drop_table", SQLSTATE(42000) "DROP TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     684             : 
     685        3387 :         if (!drop_action && t->keys) {
     686        4173 :                 for (node *n = ol_first_node(t->keys); n; n = n->next) {
     687        1198 :                         sql_key *k = n->data;
     688             : 
     689        1198 :                         if (k->type == ukey || k->type == pkey) {
     690         855 :                                 struct os_iter oi;
     691         855 :                                 os_iterator(&oi, k->t->s->keys, sql->session->tr, NULL);
     692       22252 :                                 for (sql_base *b = oi_next(&oi); b; b=oi_next(&oi)) {
     693       21399 :                                         sql_key *fk = (sql_key*)b;
     694       21399 :                                         sql_fkey *rk = (sql_fkey*)b;
     695             : 
     696       21399 :                                         if (fk->type != fkey || rk->rkey != k->base.id)
     697       21380 :                                                 continue;
     698             : 
     699             :                                         /* make sure it is not a self referencing key */
     700          19 :                                         if (fk->t != t)
     701           2 :                                                 throw(SQL,"sql.drop_table", SQLSTATE(40000) "DROP TABLE: FOREIGN KEY %s.%s depends on %s", k->t->base.name, k->base.name, tname);
     702             :                                 }
     703             :                         }
     704             :                 }
     705             :         }
     706             : 
     707        2975 :         if (!drop_action && mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL))
     708          15 :                 throw (SQL,"sql.drop_table",SQLSTATE(42000) "DROP TABLE: unable to drop table %s (there are database objects which depend on it)\n", t->base.name);
     709             : 
     710        3370 :         return mvc_drop_table(sql, s, t, drop_action);
     711             : }
     712             : 
     713             : char *
     714         374 : drop_view(mvc *sql, char *sname, char *tname, int drop_action, int if_exists)
     715             : {
     716         374 :         sql_table *t = NULL;
     717         374 :         sql_schema *ss = NULL;
     718             : 
     719         374 :         if (!(ss = mvc_bind_schema(sql, sname))) {
     720           0 :                 if (if_exists)
     721             :                         return MAL_SUCCEED;
     722           0 :                 throw(SQL,"sql.drop_view", SQLSTATE(3F000) "DROP VIEW: no such schema '%s'", sname);
     723             :         }
     724         374 :         if (!(t = mvc_bind_table(sql, ss, tname))) {
     725           0 :                 if (if_exists)
     726             :                         return MAL_SUCCEED;
     727           0 :                 throw(SQL,"sql.drop_view",SQLSTATE(42S02) "DROP VIEW: unknown view '%s'", tname);
     728             :         }
     729         374 :         if (!mvc_schema_privs(sql, ss) && !(isTempSchema(ss) && t && t->persistence == SQL_LOCAL_TEMP))
     730           0 :                 throw(SQL,"sql.drop_view", SQLSTATE(42000) "DROP VIEW: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), ss->base.name);
     731         374 :         if (!isView(t))
     732           0 :                 throw(SQL,"sql.drop_view", SQLSTATE(42000) "DROP VIEW: unable to drop view '%s': is a table", tname);
     733         374 :         if (t->system)
     734           1 :                 throw(SQL,"sql.drop_view", SQLSTATE(42000) "DROP VIEW: cannot drop system view '%s'", tname);
     735         373 :         if (!drop_action && mvc_check_dependency(sql, t->base.id, VIEW_DEPENDENCY, NULL))
     736           3 :                 throw(SQL,"sql.drop_view", SQLSTATE(42000) "DROP VIEW: cannot drop view '%s', there are database objects which depend on it", t->base.name);
     737         370 :         return mvc_drop_table(sql, ss, t, drop_action);
     738             : }
     739             : 
     740             : static str
     741         145 : drop_key(mvc *sql, char *sname, char *tname, char *kname, int drop_action)
     742             : {
     743         145 :         node *n;
     744         145 :         sql_schema *s = cur_schema(sql);
     745         145 :         sql_table *t = NULL;
     746         145 :         sql_key *key;
     747             : 
     748         145 :         if (!(s = mvc_bind_schema(sql, sname)))
     749           0 :                 throw(SQL,"sql.drop_key", SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", sname);
     750         145 :         if (!mvc_schema_privs(sql, s))
     751           0 :                 throw(SQL,"sql.drop_key", SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     752         145 :         if (!(t = mvc_bind_table(sql, s, tname)))
     753           0 :                 throw(SQL,"sql.drop_key", SQLSTATE(42S02) "ALTER TABLE: no such table '%s'", tname);
     754         145 :         if (!(n = ol_find_name(t->keys, kname)))
     755           2 :                 throw(SQL,"sql.drop_key", SQLSTATE(42000) "ALTER TABLE: no such constraint '%s'", kname);
     756         143 :         key = n->data;
     757         143 :         if (!drop_action && mvc_check_dependency(sql, key->base.id, KEY_DEPENDENCY, NULL))
     758           1 :                 throw(SQL,"sql.drop_key", SQLSTATE(42000) "ALTER TABLE: cannot drop constraint '%s': there are database objects which depend on it", key->base.name);
     759         142 :         switch (mvc_drop_key(sql, s, key, drop_action)) {
     760           0 :                 case -1:
     761           0 :                         throw(SQL,"sql.drop_key",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     762           0 :                 case -2:
     763             :                 case -3:
     764           0 :                         throw(SQL,"sql.drop_key",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
     765             :                 default:
     766             :                         break;
     767             :         }
     768             :         return MAL_SUCCEED;
     769             : }
     770             : 
     771             : static str
     772         109 : IDXdrop(mvc *sql, const char *sname, const char *tname, const char *iname, void (*func)(BAT *))
     773             : {
     774         109 :         BAT *b = mvc_bind(sql, sname, tname, iname, RDONLY), *nb = NULL;
     775             : 
     776         109 :         if (!b)
     777           0 :                 throw(SQL,"sql.drop_index", SQLSTATE(HY005) "Column can not be accessed");
     778         109 :         if (VIEWtparent(b)) {
     779         109 :                 nb = BBP_desc(VIEWtparent(b));
     780         109 :                 BBPunfix(b->batCacheid);
     781         109 :                 if (!(b = BATdescriptor(nb->batCacheid)))
     782           0 :                         throw(SQL,"sql.drop_index", SQLSTATE(HY005) "Column can not be accessed");
     783             :         }
     784             : 
     785         109 :         func(b);
     786         109 :         BBPunfix(b->batCacheid);
     787         109 :         return MAL_SUCCEED;
     788             : }
     789             : 
     790             : static str
     791         157 : drop_index(mvc *sql, char *sname, char *iname)
     792             : {
     793         157 :         sql_schema *s = NULL;
     794         157 :         sql_idx *i = NULL;
     795         157 :         str msg = MAL_SUCCEED;
     796             : 
     797         157 :         if (!(s = mvc_bind_schema(sql, sname)))
     798           0 :                 throw(SQL,"sql.drop_index", SQLSTATE(3F000) "DROP INDEX: no such schema '%s'", sname);
     799         157 :         if (!mvc_schema_privs(sql, s))
     800           0 :                 throw(SQL,"sql.drop_index", SQLSTATE(42000) "DROP INDEX: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     801         157 :         if (!(i = mvc_bind_idx(sql, s, iname)))
     802           0 :                 throw(SQL,"sql.drop_index", SQLSTATE(42S12) "DROP INDEX: no such index '%s'", iname);
     803         157 :         if (i->key)
     804           1 :                 throw(SQL,"sql.drop_index", SQLSTATE(42S12) "DROP INDEX: cannot drop index '%s', because the constraint '%s' depends on it", iname, i->key->base.name);
     805         156 :         if (i->type == ordered_idx || i->type == imprints_idx) {
     806         109 :                 sql_kc *ic = i->columns->h->data;
     807         109 :                 sql_class icls = ic->c->type.type->eclass;
     808         151 :                 if ((msg = IDXdrop(sql, s->base.name, ic->c->t->base.name, ic->c->base.name, i->type == ordered_idx ? OIDXdestroy : (icls == EC_STRING ? STRMPdestroy : IMPSdestroy))))
     809             :                         return msg;
     810             :         }
     811         156 :         switch (mvc_drop_idx(sql, s, i)) {
     812           0 :                 case -1:
     813           0 :                         throw(SQL,"sql.drop_index",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     814           0 :                 case -2:
     815             :                 case -3:
     816           0 :                         throw(SQL,"sql.drop_index",SQLSTATE(42000) "DROP INDEX: transaction conflict detected");
     817             :                 default:
     818             :                         break;
     819             :         }
     820             :         return NULL;
     821             : }
     822             : 
     823             : static str
     824         307 : create_seq(mvc *sql, char *sname, char *seqname, sql_sequence *seq)
     825             : {
     826         307 :         sql_schema *s = NULL;
     827             : 
     828         307 :         (void)seqname;
     829         307 :         if (!(s = mvc_bind_schema(sql, sname)))
     830           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(3F000) "CREATE SEQUENCE: no such schema '%s'", sname);
     831         307 :         if (!mvc_schema_privs(sql, s))
     832           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: insufficient privileges for '%s' in schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     833         307 :         if (find_sql_sequence(sql->session->tr, s, seq->base.name))
     834           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: name '%s' already in use", seq->base.name);
     835         307 :         if (is_lng_nil(seq->start) || is_lng_nil(seq->minvalue) || is_lng_nil(seq->maxvalue) ||
     836         307 :                            is_lng_nil(seq->increment) || is_lng_nil(seq->cacheinc) || is_bit_nil(seq->cycle))
     837           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: sequence properties must be non-NULL");
     838         307 :         if (seq->start < seq->minvalue)
     839           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: start value is less than the minimum ("LLFMT" < "LLFMT")", seq->start, seq->minvalue);
     840         307 :         if (seq->start > seq->maxvalue)
     841           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: start value is higher than the maximum ("LLFMT" > "LLFMT")", seq->start, seq->maxvalue);
     842         307 :         if (seq->maxvalue < seq->minvalue)
     843             :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: maximum value is less than the minimum ("LLFMT" < "LLFMT")", seq->maxvalue, seq->minvalue);
     844         307 :         if (seq->increment == 0)
     845           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: sequence increment cannot be 0");
     846         307 :         if (seq->cacheinc <= 0)
     847           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: sequence cache must be positive");
     848         307 :         lng calc = llabs(seq->increment) * seq->cacheinc;
     849         307 :         if (calc < llabs(seq->increment) || calc < seq->cacheinc)
     850           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: The specified range of cached values cannot be set. Either reduce increment or cache value");
     851         307 :         switch (sql_trans_create_sequence(sql->session->tr, s, seq->base.name, seq->start, seq->minvalue, seq->maxvalue, seq->increment, seq->cacheinc, seq->cycle, seq->bedropped)) {
     852           0 :                 case -1:
     853           0 :                         throw(SQL,"sql.create_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     854           0 :                 case -2:
     855             :                 case -3:
     856           0 :                         throw(SQL,"sql.create_seq",SQLSTATE(42000) "CREATE SEQUENCE: transaction conflict detected");
     857             :                 default:
     858             :                         break;
     859             :         }
     860             :         return NULL;
     861             : }
     862             : 
     863             : static str
     864          45 : alter_seq(mvc *sql, char *sname, char *seqname, sql_sequence *seq, const lng *val)
     865             : {
     866          45 :         sql_schema *s = NULL;
     867          45 :         sql_sequence *nseq = NULL;
     868             : 
     869          45 :         (void)seqname;
     870          45 :         if (!(s = mvc_bind_schema(sql, sname)))
     871           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(3F000) "ALTER SEQUENCE: no such schema '%s'", sname);
     872          45 :         if (!mvc_schema_privs(sql, s))
     873           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: insufficient privileges for '%s' in schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     874          45 :         if (!(nseq = find_sql_sequence(sql->session->tr, s, seq->base.name)))
     875           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: no such sequence '%s'", seq->base.name);
     876             :         /* if seq properties hold NULL values, then they should be ignored during the update */
     877             :         /* first alter the known values */
     878          45 :         switch (sql_trans_alter_sequence(sql->session->tr, nseq, seq->minvalue, seq->maxvalue, seq->increment, seq->cacheinc, seq->cycle)) {
     879           0 :                 case -1:
     880           0 :                         throw(SQL,"sql.alter_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     881           0 :                 case -2:
     882             :                 case -3:
     883           0 :                         throw(SQL,"sql.alter_seq",SQLSTATE(42000) "ALTER SEQUENCE: transaction conflict detected");
     884             :                 default:
     885          45 :                         break;
     886             :         }
     887          45 :         if (nseq->maxvalue < nseq->minvalue)
     888           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: maximum value is less than the minimum ("LLFMT" < "LLFMT")", nseq->maxvalue, nseq->minvalue);
     889          45 :         if (nseq->increment == 0)
     890           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: sequence increment cannot be 0");
     891          45 :         if (nseq->cacheinc <= 0)
     892           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: sequence cache must be positive");
     893          45 :         lng calc = llabs(nseq->increment) * nseq->cacheinc;
     894          45 :         if (calc < llabs(nseq->increment) || calc < nseq->cacheinc)
     895           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: The specified range of cached values cannot be set. Either reduce increment or cache value");
     896          45 :         if (val) {
     897          45 :                 if (is_lng_nil(*val))
     898           0 :                         throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: sequence value must be non-NULL");
     899          45 :                 if (*val < nseq->minvalue)
     900           1 :                         throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: cannot set sequence start to a value less than the minimum ("LLFMT" < "LLFMT")", *val, nseq->minvalue);
     901          44 :                 if (*val > nseq->maxvalue)
     902           1 :                         throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: cannot set sequence start to a value higher than the maximum ("LLFMT" > "LLFMT")", *val, nseq->maxvalue);
     903          43 :                 switch (sql_trans_sequence_restart(sql->session->tr, nseq, *val)) {
     904           0 :                         case -1:
     905           0 :                                 throw(SQL,"sql.alter_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     906           0 :                         case -2:
     907             :                         case -3:
     908           0 :                                 throw(SQL,"sql.alter_seq",SQLSTATE(42000) "ALTER SEQUENCE: transaction conflict detected");
     909           0 :                         case -4:
     910           0 :                                 throw(SQL,"sql.alter_seq",SQLSTATE(42000) "ALTER SEQUENCE: failed to restart sequence %s.%s", sname, nseq->base.name);
     911             :                         default:
     912             :                                 break;
     913             :                 }
     914             :         }
     915             :         return MAL_SUCCEED;
     916             : }
     917             : 
     918             : static str
     919          32 : drop_seq(mvc *sql, char *sname, char *name)
     920             : {
     921          32 :         sql_schema *s = NULL;
     922          32 :         sql_sequence *seq = NULL;
     923             : 
     924          32 :         if (!(s = mvc_bind_schema(sql, sname)))
     925           0 :                 throw(SQL,"sql.drop_seq", SQLSTATE(3F000) "DROP SEQUENCE: no such schema '%s'", sname);
     926          32 :         if (!mvc_schema_privs(sql, s))
     927           0 :                 throw(SQL,"sql.drop_seq", SQLSTATE(42000) "DROP SEQUENCE: insufficient privileges for '%s' in schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
     928          32 :         if (!(seq = find_sql_sequence(sql->session->tr, s, name)))
     929           0 :                 throw(SQL,"sql.drop_seq", SQLSTATE(42M35) "DROP SEQUENCE: no such sequence '%s'", name);
     930          32 :         if (mvc_check_dependency(sql, seq->base.id, BEDROPPED_DEPENDENCY, NULL))
     931           2 :                 throw(SQL,"sql.drop_seq", SQLSTATE(2B000) "DROP SEQUENCE: unable to drop sequence %s (there are database objects which depend on it)\n", seq->base.name);
     932             : 
     933          30 :         switch (sql_trans_drop_sequence(sql->session->tr, s, seq, 0)) {
     934           0 :                 case -1:
     935           0 :                         throw(SQL,"sql.drop_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     936           0 :                 case -2:
     937             :                 case -3:
     938           0 :                         throw(SQL,"sql.drop_seq",SQLSTATE(42000) "DROP SEQUENCE: transaction conflict detected");
     939             :                 default:
     940             :                         break;
     941             :         }
     942             :         return NULL;
     943             : }
     944             : 
     945             : static str
     946         794 : drop_func(mvc *sql, char *sname, char *name, sqlid fid, sql_ftype type, int action)
     947             : {
     948         794 :         sql_schema *s = NULL;
     949         794 :         char *F = NULL, *fn = NULL;
     950         794 :         int res = 0;
     951             : 
     952         794 :         FUNC_TYPE_STR(type, F, fn)
     953             : 
     954         794 :         if (!(s = mvc_bind_schema(sql, sname))) {
     955           0 :                 if (fid == -2) /* if exists option */
     956             :                         return MAL_SUCCEED;
     957           0 :                 throw(SQL,"sql.drop_func", SQLSTATE(3F000) "DROP %s: no such schema '%s'", F, sname);
     958             :         }
     959         794 :         if (!mvc_schema_privs(sql, s))
     960           0 :                 throw(SQL,"sql.drop_func", SQLSTATE(42000) "DROP %s: access denied for %s to schema '%s'", F, get_string_global_var(sql, "current_user"), s->base.name);
     961         794 :         if (fid >= 0) {
     962         766 :                 sql_base *b = os_find_id(s->funcs, sql->session->tr, fid);
     963         766 :                 if (b) {
     964         766 :                         sql_func *func = (sql_func*)b;
     965             : 
     966         806 :                         if (!action && mvc_check_dependency(sql, func->base.id, !IS_PROC(func) ? FUNC_DEPENDENCY : PROC_DEPENDENCY, NULL))
     967           4 :                                 throw(SQL,"sql.drop_func", SQLSTATE(42000) "DROP %s: there are database objects dependent on %s %s;", F, fn, func->base.name);
     968         762 :                         res = mvc_drop_func(sql, s, func, action);
     969             :                 }
     970          28 :         } else if (fid == -2) { /* if exists option */
     971             :                 return MAL_SUCCEED;
     972             :         } else { /* fid == -1 */
     973          28 :                 list *list_func = sql_find_funcs_by_name(sql, s->base.name, name, type, false);
     974             : 
     975          28 :                 if (!list_empty(list_func))
     976          68 :                         for (node *n = list_func->h; n; n = n->next) {
     977          40 :                                 sql_func *func = n->data;
     978             : 
     979          53 :                                 if (!action && mvc_check_dependency(sql, func->base.id, !IS_PROC(func) ? FUNC_DEPENDENCY : PROC_DEPENDENCY, list_func)) {
     980           0 :                                         list_destroy(list_func);
     981           0 :                                         throw(SQL,"sql.drop_func", SQLSTATE(42000) "DROP %s: there are database objects dependent on %s %s;", F, fn, func->base.name);
     982             :                                 }
     983             :                         }
     984          28 :                 res = mvc_drop_all_func(sql, s, list_func, action);
     985          28 :                 list_destroy(list_func);
     986             :         }
     987             : 
     988         790 :         switch (res) {
     989           0 :                 case -1:
     990           0 :                         throw(SQL,"sql.drop_func",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     991           0 :                 case -2:
     992             :                 case -3:
     993           0 :                         throw(SQL,"sql.drop_func",SQLSTATE(42000) "DROP %s: transaction conflict detected", F);
     994             :                 default:
     995             :                         break;
     996             :         }
     997             :         return MAL_SUCCEED;
     998             : }
     999             : 
    1000             : static int
    1001           6 : args_cmp(sql_arg *a1, sql_arg *a2)
    1002             : {
    1003           6 :         if (a1->inout != a2->inout)
    1004             :                 return -1;
    1005           6 :         if (strcmp(a1->name, a2->name) != 0)
    1006             :                 return -1;
    1007           6 :         return subtype_cmp(&a1->type, &a2->type);
    1008             : }
    1009             : 
    1010             : static char *
    1011      117555 : create_func(mvc *sql, char *sname, char *fname, sql_func *f, int replace)
    1012             : {
    1013      117555 :         sql_func *nf;
    1014      117555 :         sql_subfunc *sf;
    1015      117555 :         sql_schema *s = NULL;
    1016      117555 :         char *F = NULL, *fn = NULL, *base = replace ? "CREATE OR REPLACE" : "CREATE";
    1017             : 
    1018      117555 :         FUNC_TYPE_STR(f->type, F, fn)
    1019             : 
    1020      117555 :         (void) fn;
    1021      117555 :         if (!(s = mvc_bind_schema(sql, sname)))
    1022           0 :                 throw(SQL,"sql.create_func", SQLSTATE(3F000) "%s %s: no such schema '%s'", base, F, sname);
    1023      117555 :         if (!mvc_schema_privs(sql, s))
    1024           0 :                 throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: access denied for %s to schema '%s'", base, F, get_string_global_var(sql, "current_user"), s->base.name);
    1025             : 
    1026      117555 :         if (replace) {
    1027          65 :                 list *tl = sa_list(sql->sa);
    1028          65 :                 if (!list_empty(f->ops)) {
    1029          77 :                         for (node *n = f->ops->h ; n ; n = n->next ) {
    1030          44 :                                 sql_arg *arg = n->data;
    1031             : 
    1032          44 :                                 list_append(tl, &arg->type);
    1033             :                         }
    1034             :                 }
    1035             : 
    1036          65 :                 if ((sf = sql_bind_func_(sql, s->base.name, fname, tl, f->type, false, true)) != NULL) {
    1037          15 :                         sql_func *sff = sf->func;
    1038             : 
    1039          15 :                         if (!sff->s || sff->system)
    1040           0 :                                 throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: not allowed to replace system %s %s;", base, F, fn, sff->base.name);
    1041             : 
    1042             :                         /* if all function parameters are the same, return */
    1043          15 :                         if (sff->lang == f->lang && sff->type == f->type &&
    1044          15 :                                 sff->varres == f->varres && sff->vararg == f->vararg &&
    1045          18 :                                 ((!sff->query && !f->query) || (sff->query && f->query && strcmp(sff->query, f->query) == 0)) &&
    1046           6 :                                 list_cmp(sff->res, f->res, (fcmp) &args_cmp) == 0 &&
    1047           3 :                                 list_cmp(sff->ops, f->ops, (fcmp) &args_cmp) == 0)
    1048             :                                 return MAL_SUCCEED;
    1049             : 
    1050          12 :                         if (mvc_check_dependency(sql, sff->base.id, !IS_PROC(sff) ? FUNC_DEPENDENCY : PROC_DEPENDENCY, NULL))
    1051           0 :                                 throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: there are database objects dependent on %s %s;", base, F, fn, sff->base.name);
    1052          12 :                         switch (mvc_drop_func(sql, s, sff, 0)) {
    1053           0 :                                 case -1:
    1054           0 :                                         throw(SQL,"sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1055           1 :                                 case -2:
    1056             :                                 case -3:
    1057           1 :                                         throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: transaction conflict detected", base, F);
    1058             :                                 default:
    1059             :                                         break;
    1060             :                         }
    1061             :                 } else {
    1062          50 :                         sql->session->status = 0; /* if the function was not found clean the error */
    1063          50 :                         sql->errstr[0] = '\0';
    1064             :                 }
    1065             :         }
    1066      117551 :         switch (mvc_create_func(&nf, sql, NULL, s, f->base.name, f->ops, f->res, f->type, f->lang, f->mod, f->imp, f->query, f->varres, f->vararg, f->system, f->side_effect)) {
    1067           0 :                 case -1:
    1068           0 :                         throw(SQL,"sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1069           1 :                 case -2:
    1070             :                 case -3:
    1071           1 :                         throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: transaction conflict detected", base, F);
    1072             :                 default:
    1073      117550 :                         break;
    1074             :         }
    1075      117550 :         switch (nf->lang) {
    1076      109814 :         case FUNC_LANG_MAL:
    1077      109814 :                 assert(nf->imp);
    1078      109814 :                 nf->instantiated = TRUE; /* MAL functions get instantiated while being created */
    1079             :                 /* fall through */
    1080      117326 :         case FUNC_LANG_SQL: {
    1081      117326 :                 char *buf;
    1082      117326 :                 sql_rel *r = NULL;
    1083      117326 :                 allocator *sa = sql->sa;
    1084             : 
    1085      117326 :                 assert(nf->query);
    1086      117326 :                 if (!(sql->sa = sa_create(sql->pa))) {
    1087           0 :                         sql->sa = sa;
    1088           0 :                         throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1089             :                 }
    1090      117326 :                 if (!(buf = sa_strdup(sql->sa, nf->query))) {
    1091           0 :                         sa_destroy(sql->sa);
    1092           0 :                         sql->sa = sa;
    1093           0 :                         throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1094             :                 }
    1095      117326 :                 r = rel_parse(sql, s, buf, m_deps);
    1096      117326 :                 if (r)
    1097      117326 :                         r = sql_processrelation(sql, r, 0, 0, 0, 0);
    1098      117326 :                 if (r) {
    1099      117326 :                         node *n;
    1100      117326 :                         list *blist = rel_dependencies(sql, r);
    1101             : 
    1102      117326 :                         if (!f->vararg && f->ops) {
    1103      300653 :                                 for (n = f->ops->h; n; n = n->next) {
    1104      183327 :                                         sql_arg *a = n->data;
    1105             : 
    1106      183327 :                                         if (a->type.type->s && mvc_create_dependency(sql, &a->type.type->base, nf->base.id, TYPE_DEPENDENCY)) {
    1107           0 :                                                 sa_destroy(sql->sa);
    1108           0 :                                                 sql->sa = sa;
    1109           0 :                                                 throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1110             :                                         }
    1111             :                                 }
    1112             :                         }
    1113      117326 :                         if (!f->varres && f->res) {
    1114      251376 :                                 for (n = f->res->h; n; n = n->next) {
    1115      151839 :                                         sql_arg *a = n->data;
    1116             : 
    1117      151839 :                                         if (a->type.type->s && mvc_create_dependency(sql, &a->type.type->base, nf->base.id, TYPE_DEPENDENCY)) {
    1118           0 :                                                 sa_destroy(sql->sa);
    1119           0 :                                                 sql->sa = sa;
    1120           0 :                                                 throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1121             :                                         }
    1122             :                                 }
    1123             :                         }
    1124      131764 :                         if (mvc_create_dependencies(sql, blist, nf->base.id, !IS_PROC(f) ? FUNC_DEPENDENCY : PROC_DEPENDENCY)) {
    1125           0 :                                 sa_destroy(sql->sa);
    1126           0 :                                 sql->sa = sa;
    1127           0 :                                 throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1128             :                         }
    1129             :                 }
    1130      117326 :                 sa_destroy(sql->sa);
    1131      117326 :                 sql->sa = sa;
    1132      117326 :                 if (!r) {
    1133           0 :                         if (strlen(sql->errstr) > 6 && sql->errstr[5] == '!')
    1134           0 :                                 throw(SQL, "sql.create_func", "%s", sql->errstr);
    1135             :                         else
    1136           0 :                                 throw(SQL, "sql.create_func", SQLSTATE(42000) "%s", sql->errstr);
    1137             :                 }
    1138             :         }
    1139             :         default:
    1140             :                 break;
    1141             :         }
    1142             :         return MAL_SUCCEED;
    1143             : }
    1144             : 
    1145             : str
    1146        1317 : alter_table(Client cntxt, mvc *sql, char *sname, sql_table *t)
    1147             : {
    1148        1317 :         sql_schema *s = NULL;
    1149        1317 :         sql_table *nt = NULL;
    1150        1317 :         node *n;
    1151             : 
    1152        1317 :         if (!(s = mvc_bind_schema(sql, sname)))
    1153           0 :                 throw(SQL,"sql.alter_table",
    1154             :                           SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", sname);
    1155             : 
    1156        1317 :         if (!mvc_schema_privs(sql, s) &&
    1157           0 :                 !(isTempSchema(s) && t->persistence == SQL_LOCAL_TEMP))
    1158           0 :                 throw(SQL,"sql.alter_table",
    1159             :                           SQLSTATE(42000) "ALTER TABLE: insufficient privileges for"
    1160             :                           " user '%s' in schema '%s'",
    1161             :                           get_string_global_var(sql, "current_user"), s->base.name);
    1162             : 
    1163        1317 :         if (!(nt = mvc_bind_table(sql, s, t->base.name)))
    1164           0 :                 throw(SQL,"sql.alter_table",
    1165             :                           SQLSTATE(42S02) "ALTER TABLE: no such table '%s'", t->base.name);
    1166             : 
    1167        1317 :         sql_table *gt = NULL;
    1168        1317 :         if (nt && isTempTable(nt)) {
    1169          34 :                 gt = (sql_table*)os_find_id(s->tables, sql->session->tr, nt->base.id);
    1170          34 :                 if (gt)
    1171        1317 :                         nt = gt;
    1172             :         }
    1173             : 
    1174             :         /* First check if all the changes are allowed */
    1175        1317 :         if (t->idxs) {
    1176             :                 /* only one pkey */
    1177        1317 :                 if (nt->pkey) {
    1178        1410 :                         for (n = ol_first_node(t->idxs); n; n = n->next) {
    1179         693 :                                 sql_idx *i = n->data;
    1180         693 :                                 if (!i->base.new || i->base.deleted)
    1181           0 :                                         continue;
    1182         693 :                                 if (i->key && i->key->type == pkey)
    1183           3 :                                         throw(SQL,"sql.alter_table",
    1184             :                                                   SQLSTATE(40000) "CONSTRAINT PRIMARY KEY: a"
    1185             :                                                   " table can have only one PRIMARY KEY\n");
    1186             :                         }
    1187             :                 }
    1188             :         }
    1189             : 
    1190       20344 :         for (n = ol_first_node(t->columns); n; n = n->next) {
    1191             :                 /* null or default value changes */
    1192       19137 :                 sql_column *c = n->data;
    1193             : 
    1194       19137 :                 if (c->base.new)
    1195             :                         break;
    1196             : 
    1197       19045 :                 sql_column *nc = mvc_bind_column(sql, nt, c->base.name);
    1198       19045 :                 if (c->base.deleted) {
    1199          61 :                         switch (mvc_drop_column(sql, nt, nc, c->drop_action)) {
    1200           0 :                                 case -1:
    1201           0 :                                         throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1202           1 :                                 case -2:
    1203             :                                 case -3:
    1204           1 :                                         throw(SQL,"sql.alter_table",
    1205             :                                                   SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    1206             :                                 default:
    1207          60 :                                         break;
    1208             :                         }
    1209          60 :                         continue;
    1210             :                 }
    1211       18984 :                 if (c->null != nc->null && isTable(nt)) {
    1212          90 :                         if (c->null && nt->pkey) { /* check for primary keys based on this column */
    1213           2 :                                 node *m;
    1214           4 :                                 for (m = nt->pkey->k.columns->h; m; m = m->next) {
    1215           4 :                                         sql_kc *kc = m->data;
    1216             : 
    1217           4 :                                         if (kc->c->base.id == c->base.id)
    1218           2 :                                                 throw(SQL,"sql.alter_table", SQLSTATE(40000) "NOT NULL CONSTRAINT: cannot remove NOT NULL CONSTRAINT for column '%s' part of the PRIMARY KEY\n", c->base.name);
    1219             :                                 }
    1220             :                         }
    1221          88 :                         switch (mvc_null(sql, nc, c->null)) {
    1222           0 :                                 case -1:
    1223           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1224           1 :                                 case -2:
    1225             :                                 case -3:
    1226           1 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "NOT NULL CONSTRAINT: transaction conflict detected");
    1227             :                                 default:
    1228          87 :                                         break;
    1229             :                         }
    1230             :                         /* for non empty check for nulls */
    1231          87 :                         sqlstore *store = sql->session->tr->store;
    1232          87 :                         if (c->null == 0) {
    1233          85 :                                 const void *nilptr = ATOMnilptr(c->type.type->localtype);
    1234          85 :                                 rids *nils = store->table_api.rids_select(sql->session->tr, nc, nilptr, NULL, NULL);
    1235          85 :                                 if (!nils)
    1236           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1237          85 :                                 int has_nils = !is_oid_nil(store->table_api.rids_next(nils));
    1238             : 
    1239          85 :                                 store->table_api.rids_destroy(nils);
    1240          85 :                                 if (has_nils)
    1241          11 :                                         throw(SQL,"sql.alter_table", SQLSTATE(40002) "ALTER TABLE: NOT NULL constraint violated for column %s.%s", c->t->base.name, c->base.name);
    1242             :                         }
    1243             :                 }
    1244       18970 :                 if ((c->def || nc->def) && (!c->def || !nc->def || strcmp(c->def, nc->def) != 0)) {
    1245          22 :                         switch (mvc_default(sql, nc, c->def)) {
    1246           0 :                                 case -1:
    1247           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1248           0 :                                 case -2:
    1249             :                                 case -3:
    1250           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "DEFAULT: transaction conflict detected");
    1251             :                                 default:
    1252             :                                         break;
    1253             :                         }
    1254             :                 }
    1255             : 
    1256       18970 :                 if ((c->storage_type || nc->storage_type) && (!c->storage_type || !nc->storage_type || strcmp(c->storage_type, nc->storage_type) != 0)) {
    1257           0 :                         if (c->t->access == TABLE_WRITABLE)
    1258           0 :                                 throw(SQL,"sql.alter_table", SQLSTATE(40002) "ALTER TABLE: SET STORAGE for column %s.%s only allowed on READ or INSERT ONLY tables", c->t->base.name, c->base.name);
    1259           0 :                         switch (mvc_storage(sql, nc, c->storage_type)) {
    1260           0 :                                 case -1:
    1261           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1262           0 :                                 case -2:
    1263             :                                 case -3:
    1264           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "ALTER TABLE: SET STORAGE transaction conflict detected");
    1265             :                                 default:
    1266             :                                         break;
    1267             :                         }
    1268             :                 }
    1269             :         }
    1270             :         /* handle new columns */
    1271        1389 :         for (; n; n = n->next) {
    1272             :                 /* propagate alter table .. add column */
    1273          92 :                 sql_column *c = n->data;
    1274             : 
    1275          92 :                 if (c->base.deleted) /* skip */
    1276           0 :                         continue;
    1277          92 :                 switch (mvc_copy_column(sql, nt, c, NULL)) {
    1278           0 :                         case -1:
    1279           0 :                                 throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1280           2 :                         case -2:
    1281             :                         case -3:
    1282           2 :                                 throw(SQL,"sql.alter_table", SQLSTATE(42000) "ALTER TABLE: %s_%s_%s conflicts with another transaction", s->base.name, t->base.name, c->base.name);
    1283             :                         default:
    1284             :                                 break;
    1285             :                 }
    1286             :         }
    1287        1297 :         if (t->idxs) {
    1288             :                 /* alter drop index */
    1289        1297 :                 if (t->idxs)
    1290        2390 :                         for (n = ol_first_node(t->idxs); n; n = n->next) {
    1291        1093 :                                 sql_idx *i = n->data;
    1292        1093 :                                 if (i->base.new || !i->base.deleted)
    1293        1093 :                                         continue;
    1294           0 :                                 sql_idx *ni = mvc_bind_idx(sql, s, i->base.name);
    1295           0 :                                 if (ni == NULL)
    1296           0 :                                         throw(SQL, "sql.alter_table", "Couldn't bind index %s", i->base.name);
    1297           0 :                                 switch (mvc_drop_idx(sql, s, ni)) {
    1298           0 :                                         case -1:
    1299           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1300           0 :                                         case -2:
    1301             :                                         case -3:
    1302           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    1303             :                                         default:
    1304             :                                                 break;
    1305             :                                 }
    1306             :                         }
    1307             :                 /* alter add index */
    1308        2373 :                 for (n = ol_first_node(t->idxs); n; n = n->next) {
    1309        1093 :                         sql_idx *i = n->data;
    1310        1093 :                         BAT *b = NULL, *nb = NULL;
    1311             : 
    1312        1093 :                         if (!i->base.new || i->base.deleted)
    1313           0 :                                 continue;
    1314             : 
    1315        1093 :                         if (i->type == ordered_idx) {
    1316          77 :                                 sql_kc *ic = i->columns->h->data;
    1317          77 :                                 if (!(b = mvc_bind(sql, nt->s->base.name, nt->base.name, ic->c->base.name, RDONLY)))
    1318           0 :                                         throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access ordered index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1319          77 :                                 if (VIEWtparent(b)) {
    1320          77 :                                         nb = BBP_desc(VIEWtparent(b));
    1321          77 :                                         BBPunfix(b->batCacheid);
    1322          77 :                                         if (!(b = BATdescriptor(nb->batCacheid)))
    1323           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access ordered index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1324             :                                 }
    1325          77 :                                 char *msg = OIDXcreateImplementation(cntxt, newBatType(b->ttype), b, -1);
    1326          77 :                                 BBPunfix(b->batCacheid);
    1327          77 :                                 if (msg != MAL_SUCCEED) {
    1328           0 :                                         char *smsg = createException(SQL,"sql.alter_table", SQLSTATE(40002) "CREATE ORDERED INDEX: %s", msg);
    1329           0 :                                         freeException(msg);
    1330           0 :                                         return smsg;
    1331             :                                 }
    1332        1016 :                         } else if (i->type == imprints_idx) {
    1333          71 :                                 gdk_return r;
    1334          71 :                                 sql_kc *ic = i->columns->h->data;
    1335          71 :                                 if (!(b = mvc_bind(sql, nt->s->base.name, nt->base.name, ic->c->base.name, RDONLY)))
    1336           0 :                                         throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access imprints index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1337          71 :                                 if (VIEWtparent(b)) {
    1338          71 :                                         nb = BBP_desc(VIEWtparent(b));
    1339          71 :                                         BBPunfix(b->batCacheid);
    1340          71 :                                         if (!(b = BATdescriptor(nb->batCacheid)))
    1341           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access imprints index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1342             :                                 }
    1343          71 :                                 if(b->ttype == TYPE_str) {
    1344          11 :                                         if (t->access != TABLE_READONLY) {
    1345           5 :                                                 BBPunfix(b->batCacheid);
    1346           5 :                                                 throw(SQL, "sql.alter_TABLE", SQLSTATE(HY005) "Cannot create string imprint index %s on non read only table %s.%s", i->base.name, s->base.name, t->base.name);
    1347             :                                         }
    1348             : 
    1349             :                                         /* We signal that we want a strimp on b. It will be created the next time it is needed, i.e. by
    1350             :                                          * PCRElikeselect.
    1351             :                                          */
    1352           6 :                                         r = BATsetstrimps(b);
    1353             :                                 }
    1354             :                                 else {
    1355          60 :                                         r = BATimprints(b);
    1356             :                                 }
    1357             : 
    1358          66 :                                 BBPunfix(b->batCacheid);
    1359          66 :                                 if (r != GDK_SUCCEED)
    1360           9 :                                         throw(SQL, "sql.alter_table", GDK_EXCEPTION);
    1361             :                         }
    1362        1079 :                         switch (mvc_copy_idx(sql, nt, i, NULL)) {
    1363           0 :                                 case -1:
    1364           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1365           3 :                                 case -2:
    1366             :                                 case -3:
    1367           3 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "ALTER TABLE: %s_%s_%s conflicts with another transaction", s->base.name, t->base.name, i->base.name);
    1368             :                                 default:
    1369             :                                         break;
    1370             :                         }
    1371             :                 }
    1372             :         }
    1373        1280 :         if (t->keys) {
    1374             :                 /* alter drop key */
    1375        2044 :                 for (n = ol_first_node(t->keys); n; n = n->next) {
    1376         764 :                         sql_key *k = n->data;
    1377             : 
    1378         764 :                         if ((!k->base.new && !k->base.deleted) || (k->base.new && k->base.deleted))
    1379           0 :                                 continue;
    1380         764 :                         if (k->base.deleted) {
    1381           0 :                                 sql_key *nk = mvc_bind_key(sql, s, k->base.name);
    1382           0 :                                 if (nk) {
    1383           0 :                                         switch (mvc_drop_key(sql, s, nk, k->drop_action)) {
    1384           0 :                                                 case -1:
    1385           0 :                                                         throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1386           0 :                                                 case -2:
    1387             :                                                 case -3:
    1388           0 :                                                         throw(SQL,"sql.alter_table",SQLSTATE(42000) "ALTER TABLE: %s_%s_%s conflicts with another transaction", s->base.name, t->base.name, k->base.name);
    1389             :                                                 default:
    1390             :                                                         break;
    1391             :                                         }
    1392             :                                 }
    1393             :                         } else { /* new */
    1394         764 :                                 str err;
    1395         764 :                                 if ((err = sql_partition_validate_key(sql, t, k, "ALTER")))
    1396           0 :                                         return err;
    1397         764 :                                 switch (mvc_copy_key(sql, nt, k, NULL)) {
    1398           0 :                                         case -1:
    1399           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1400           0 :                                         case -2:
    1401             :                                         case -3:
    1402           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(42000) "ALTER TABLE: %s_%s_%s conflicts with another transaction", s->base.name, t->base.name, k->base.name);
    1403             :                                         default:
    1404             :                                                 break;
    1405             :                                 }
    1406             :                         }
    1407             :                 }
    1408             :         }
    1409             :         return MAL_SUCCEED;
    1410             : }
    1411             : 
    1412             : /* the MAL wrappers */
    1413             : str
    1414         307 : SQLcreate_seq(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1415         307 : {       mvc *sql = NULL;
    1416         307 :         str msg;
    1417         307 :         str sname = *getArgReference_str(stk, pci, 1);
    1418         307 :         str seqname = *getArgReference_str(stk, pci, 2);
    1419         307 :         sql_sequence *s = *(sql_sequence **) getArgReference(stk, pci, 3);
    1420             : 
    1421         307 :         initcontext();
    1422         307 :         msg = create_seq(sql, sname, seqname, s);
    1423         307 :         return msg;
    1424             : }
    1425             : 
    1426             : str
    1427          46 : SQLalter_seq(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1428          46 : {       mvc *sql = NULL;
    1429          46 :         str msg = MAL_SUCCEED;
    1430          46 :         str sname = *getArgReference_str(stk, pci, 1);
    1431          46 :         str seqname = *getArgReference_str(stk, pci, 2);
    1432          46 :         sql_sequence *s = *(sql_sequence **) getArgReference(stk, pci, 3);
    1433          46 :         lng *val = NULL;
    1434          46 :         BAT *b = NULL;
    1435          46 :         BATiter bi = {0};
    1436             : 
    1437          46 :         initcontext();
    1438          46 :         if (getArgType(mb, pci, 4) == TYPE_lng)
    1439          46 :                 val = getArgReference_lng(stk, pci, 4);
    1440           0 :         else if (isaBatType(getArgType(mb, pci, 4))) {
    1441           0 :                 bat *bid = getArgReference_bat(stk, pci, 4);
    1442             : 
    1443           0 :                 if (!(b = BATdescriptor(*bid)))
    1444           0 :                         throw(SQL, "sql.alter_seq", SQLSTATE(HY005) "Cannot access column descriptor");
    1445           0 :                 if (BATcount(b) != 1) {
    1446           0 :                         BBPunfix(b->batCacheid);
    1447           0 :                         throw(SQL, "sql.alter_seq", SQLSTATE(42000) "Only one value allowed to alter a sequence value");
    1448             :                 }
    1449           0 :                 bi = bat_iterator(b);
    1450           0 :                 if (getBatType(getArgType(mb, pci, 4)) == TYPE_lng) {
    1451           0 :                         val = (lng*)bi.base;
    1452             :                 }
    1453             :         }
    1454             : 
    1455          46 :         if (val == NULL || is_lng_nil(*val))
    1456           1 :                 msg = createException(SQL,"sql.alter_seq", SQLSTATE(42M36) "ALTER SEQUENCE: cannot (re)start with NULL");
    1457             :         else
    1458          45 :                 msg = alter_seq(sql, sname, seqname, s, val);
    1459             : 
    1460          46 :         if (b) {
    1461           0 :                 bat_iterator_end(&bi);
    1462           0 :                 BBPunfix(b->batCacheid);
    1463             :         }
    1464             :         return msg;
    1465             : }
    1466             : 
    1467             : str
    1468          32 : SQLdrop_seq(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1469          32 : {       mvc *sql = NULL;
    1470          32 :         str msg = MAL_SUCCEED;
    1471          32 :         str sname = *getArgReference_str(stk, pci, 1);
    1472          32 :         str name = *getArgReference_str(stk, pci, 2);
    1473             : 
    1474          32 :         initcontext();
    1475          32 :         msg = drop_seq(sql, sname, name);
    1476          32 :         return msg;
    1477             : }
    1478             : 
    1479             : str
    1480        1055 : SQLcreate_schema(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1481        1055 : {       mvc *sql = NULL;
    1482        1055 :         str msg = MAL_SUCCEED;
    1483        1055 :         str sname = *getArgReference_str(stk, pci, 1);
    1484        1055 :         str name = SaveArgReference(stk, pci, 2);
    1485        1055 :         sqlid auth_id;
    1486             : 
    1487        1055 :         initcontext();
    1488        1055 :         auth_id = sql->role_id;
    1489        1091 :         if (!strNil(name) && (auth_id = sql_find_auth(sql, name)) < 0)
    1490           0 :                 throw(SQL,"sql.create_schema", SQLSTATE(42M32) "CREATE SCHEMA: no such authorization '%s'", name);
    1491        1055 :         if (sql->user_id != USER_MONETDB && sql->role_id != ROLE_SYSADMIN)
    1492           0 :                 throw(SQL,"sql.create_schema", SQLSTATE(42000) "CREATE SCHEMA: insufficient privileges for user '%s'", get_string_global_var(sql, "current_user"));
    1493        1055 :         if (mvc_bind_schema(sql, sname))
    1494           0 :                 throw(SQL,"sql.create_schema", SQLSTATE(3F000) "CREATE SCHEMA: name '%s' already in use", sname);
    1495        1055 :         switch (mvc_create_schema(sql, sname, auth_id, sql->user_id)) {
    1496           0 :                 case -1:
    1497           0 :                         throw(SQL,"sql.create_schema",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1498           1 :                 case -2:
    1499             :                 case -3:
    1500           1 :                         throw(SQL,"sql.create_schema",SQLSTATE(42000) "CREATE SCHEMA: transaction conflict detected");
    1501             :                 default:
    1502             :                         break;
    1503             :         }
    1504             :         return msg;
    1505             : }
    1506             : 
    1507             : str
    1508         173 : SQLdrop_schema(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1509             : {
    1510         173 :         mvc *sql = NULL;
    1511         173 :         str msg = MAL_SUCCEED;
    1512         173 :         str sname = *getArgReference_str(stk, pci, 1);
    1513         173 :         int if_exists = *getArgReference_int(stk, pci, 2);
    1514         173 :         int action = *getArgReference_int(stk, pci, 3);
    1515         173 :         sql_schema *s;
    1516             : 
    1517         173 :         initcontext();
    1518         173 :         s = mvc_bind_schema(sql, sname);
    1519         173 :         if (!s) {
    1520          12 :                 if (!if_exists)
    1521           8 :                         throw(SQL,"sql.drop_schema",SQLSTATE(3F000) "DROP SCHEMA: name %s does not exist", sname);
    1522             :                 return MAL_SUCCEED;
    1523             :         }
    1524         161 :         sql_trans *tr = sql->session->tr;
    1525         161 :         sql_schema *cur = cur_schema(sql);
    1526             : 
    1527         161 :         if (!mvc_schema_privs(sql, s))
    1528           0 :                 throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
    1529         161 :         if (cur && s->base.id == cur->base.id)
    1530           1 :                 throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: cannot drop current schema");
    1531         160 :         if (s->system)
    1532           8 :                 throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: access denied for '%s'", sname);
    1533         152 :         if (sql_schema_has_user(sql, s))
    1534           8 :                 throw(SQL,"sql.drop_schema",SQLSTATE(2BM37) "DROP SCHEMA: unable to drop schema '%s' (there are database users using it as session's default schema)", sname);
    1535         219 :         if (!action /* RESTRICT */ && (
    1536         147 :                 os_size(s->tables, tr) || os_size(s->types, tr) || os_size(s->funcs, tr) || os_size(s->seqs, tr)))
    1537           3 :                 throw(SQL,"sql.drop_schema",SQLSTATE(2BM37) "DROP SCHEMA: unable to drop schema '%s' (there are database objects which depend on it)", sname);
    1538             : 
    1539         141 :         switch (mvc_drop_schema(sql, s, action)) {
    1540           0 :                 case -1:
    1541           0 :                         throw(SQL,"sql.drop_schema",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1542           0 :                 case -2:
    1543             :                 case -3:
    1544           0 :                         throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: transaction conflict detected");
    1545             :                 default:
    1546             :                         break;
    1547             :         }
    1548             :         return MAL_SUCCEED;
    1549             : }
    1550             : 
    1551             : str
    1552        9335 : SQLcreate_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1553        9335 : {       mvc *sql = NULL;
    1554        9335 :         str msg;
    1555        9335 :         str sname = *getArgReference_str(stk, pci, 1);
    1556             :         //str tname = *getArgReference_str(stk, pci, 2);
    1557        9335 :         sql_table *t = *(sql_table **) getArgReference(stk, pci, 3);
    1558        9335 :         int temp = *getArgReference_int(stk, pci, 4), remote = (pci->argc == 7);
    1559        9335 :         int pw_encrypted = temp;
    1560             : 
    1561        9335 :         initcontext();
    1562        9327 :         if (remote)
    1563          93 :                 temp = 0;
    1564        9327 :         msg = create_table_or_view(sql, sname, t->base.name, t, temp, 0);
    1565        9327 :         if (!msg && remote) {
    1566          93 :                 str username = *getArgReference_str(stk, pci, 5);
    1567          93 :                 str password = *getArgReference_str(stk, pci, 6);
    1568             : 
    1569          93 :                 sql_schema *s = mvc_bind_schema(sql, sname);
    1570          93 :                 t = s?mvc_bind_table(sql, s, t->base.name):NULL;
    1571          93 :                 if (t)
    1572          93 :                         return remote_create(sql, t->base.id, username, password, pw_encrypted);
    1573           0 :                 throw(SQL, "sql.create_table", SQLSTATE(3F000) "Internal error");
    1574             :         }
    1575             :         return msg;
    1576             : }
    1577             : 
    1578             : str
    1579       22074 : SQLcreate_view(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1580       22074 : {       mvc *sql = NULL;
    1581       22074 :         str msg;
    1582       22074 :         str sname = *getArgReference_str(stk, pci, 1);
    1583             :         //str vname = *getArgReference_str(stk, pci, 2);
    1584       22074 :         sql_table *t = *(sql_table **) getArgReference(stk, pci, 3);
    1585       22074 :         int temp = *getArgReference_int(stk, pci, 4);
    1586       22074 :         int replace = *getArgReference_int(stk, pci, 5);
    1587             : 
    1588       22074 :         initcontext();
    1589       22073 :         msg = create_table_or_view(sql, sname, t->base.name, t, temp, replace);
    1590       22073 :         return msg;
    1591             : }
    1592             : 
    1593             : str
    1594        3391 : SQLdrop_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1595        3391 : {       mvc *sql = NULL;
    1596        3391 :         str msg;
    1597        3391 :         str sname = *getArgReference_str(stk, pci, 1);
    1598        3391 :         str name = *getArgReference_str(stk, pci, 2);
    1599        3391 :         int if_exists = *getArgReference_int(stk, pci, 3);
    1600        3391 :         int action = *getArgReference_int(stk, pci, 4);
    1601             : 
    1602        3391 :         initcontext();
    1603        3391 :         msg = drop_table(sql, sname, name, action, if_exists);
    1604        3391 :         return msg;
    1605             : }
    1606             : 
    1607             : str
    1608         374 : SQLdrop_view(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1609         374 : {       mvc *sql = NULL;
    1610         374 :         str msg;
    1611         374 :         str sname = *getArgReference_str(stk, pci, 1);
    1612         374 :         str name = *getArgReference_str(stk, pci, 2);
    1613         374 :         int if_exists = *getArgReference_int(stk, pci, 3);
    1614         374 :         int action = *getArgReference_int(stk, pci, 4);
    1615             : 
    1616         374 :         initcontext();
    1617         374 :         msg = drop_view(sql, sname, name, action, if_exists);
    1618         374 :         return msg;
    1619             : }
    1620             : 
    1621             : str
    1622         145 : SQLdrop_constraint(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1623         145 : {       mvc *sql = NULL;
    1624         145 :         str msg;
    1625         145 :         str sname = *getArgReference_str(stk, pci, 1);
    1626         145 :         str tname = *getArgReference_str(stk, pci, 2);
    1627         145 :         str kname = *getArgReference_str(stk, pci, 3);
    1628         145 :         int action = *getArgReference_int(stk, pci, 5);
    1629         145 :         (void) *getArgReference_int(stk, pci, 4); //the if_exists parameter is also passed but not used
    1630             : 
    1631         145 :         initcontext();
    1632         145 :         msg = drop_key(sql, sname, tname, kname, action);
    1633         145 :         return msg;
    1634             : }
    1635             : 
    1636             : str
    1637        1317 : SQLalter_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1638        1317 : {       mvc *sql = NULL;
    1639        1317 :         str msg;
    1640        1317 :         str sname = *getArgReference_str(stk, pci, 1);
    1641        1317 :         str tname = *getArgReference_str(stk, pci, 2);
    1642        1317 :         sql_table *t = *(sql_table **) getArgReference(stk, pci, 3);
    1643             : 
    1644        1317 :         (void)tname;
    1645        1317 :         initcontext();
    1646        1317 :         msg = alter_table(cntxt, sql, sname, t);
    1647        1317 :         return msg;
    1648             : }
    1649             : 
    1650             : str
    1651         890 : SQLcreate_type(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1652         890 : {       mvc *sql = NULL;
    1653         890 :         str msg;
    1654         890 :         str sname = *getArgReference_str(stk, pci, 1);
    1655         890 :         char *name = *getArgReference_str(stk, pci, 2);
    1656         890 :         char *impl = *getArgReference_str(stk, pci, 3);
    1657         890 :         sql_schema *s = NULL;
    1658             : 
    1659         890 :         initcontext();
    1660             : 
    1661         890 :         if (!(s = mvc_bind_schema(sql, sname)))
    1662           0 :                 throw(SQL,"sql.create_type",SQLSTATE(3F000) "CREATE TYPE: no such schema '%s'", sname);
    1663         890 :         if (!mvc_schema_privs(sql, s))
    1664           0 :                 throw(SQL,"sql.create_type", SQLSTATE(42000) "CREATE TYPE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
    1665         890 :         if (schema_bind_type(sql, s, name))
    1666           0 :                 throw(SQL,"sql.create_type", SQLSTATE(42S02) "CREATE TYPE: type '%s' already exists", name);
    1667         890 :         switch (mvc_create_type(sql, s, name, 0, 0, 0, impl)) {
    1668           0 :                 case -1:
    1669           0 :                         throw(SQL,"sql.create_type", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1670           1 :                 case -2:
    1671             :                 case -3:
    1672           1 :                         throw(SQL,"sql.create_type", SQLSTATE(42000) "CREATE TYPE: transaction conflict detected");
    1673           0 :                 case -4:
    1674           0 :                         throw(SQL,"sql.create_type", SQLSTATE(0D000) "CREATE TYPE: unknown external type '%s'", impl);
    1675             :                 default:
    1676             :                         break;
    1677             :         }
    1678             :         return msg;
    1679             : }
    1680             : 
    1681             : str
    1682           4 : SQLdrop_type(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1683           4 : {       mvc *sql = NULL;
    1684           4 :         str msg;
    1685           4 :         str sname = *getArgReference_str(stk, pci, 1);
    1686           4 :         char *name = *getArgReference_str(stk, pci, 2);
    1687           4 :         int drop_action = *getArgReference_int(stk, pci, 3);
    1688           4 :         sql_schema *s = NULL;
    1689           4 :         sql_type *t;
    1690             : 
    1691           4 :         initcontext();
    1692             : 
    1693           4 :         if (!(s = mvc_bind_schema(sql, sname)))
    1694           0 :                 throw(SQL,"sql.drop_type",SQLSTATE(3F000) "DROP TYPE: no such schema '%s'", sname);
    1695           4 :         if (!mvc_schema_privs(sql, s))
    1696           0 :                 throw(SQL,"sql.drop_type", SQLSTATE(42000) "DROP TYPE:  access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
    1697           4 :         if (!(t = schema_bind_type(sql, s, name)))
    1698           0 :                 throw(SQL,"sql.drop_type", SQLSTATE(3F000) "DROP TYPE: type '%s' does not exist", name);
    1699           4 :         if (!drop_action && mvc_check_dependency(sql, t->base.id, TYPE_DEPENDENCY, NULL))
    1700           1 :                 throw(SQL,"sql.drop_type", SQLSTATE(42000) "DROP TYPE: unable to drop type %s (there are database objects which depend on it)\n", name);
    1701           3 :         switch (mvc_drop_type(sql, s, t, drop_action)) {
    1702           0 :                 case -1:
    1703           0 :                         throw(SQL,"sql.drop_type",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1704           0 :                 case -2:
    1705             :                 case -3:
    1706           0 :                         throw(SQL,"sql.drop_type",SQLSTATE(42000) "DROP TYPE: transaction conflict detected");
    1707             :                 default:
    1708             :                         break;
    1709             :         }
    1710             :         return msg;
    1711             : }
    1712             : 
    1713             : str
    1714          27 : SQLgrant_roles(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1715          27 : {       mvc *sql = NULL;
    1716          27 :         str msg;
    1717          27 :         str sname = *getArgReference_str(stk, pci, 1);
    1718          27 :         char *auth = SaveArgReference(stk, pci, 2);
    1719          27 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 3);
    1720          27 :         int admin = *getArgReference_int(stk, pci, 4);
    1721             : 
    1722          27 :         initcontext();
    1723          27 :         msg = sql_grant_role(sql, sname /*grantee */ , auth, grantor, admin);
    1724          27 :         return msg;
    1725             : }
    1726             : 
    1727             : str
    1728           8 : SQLrevoke_roles(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1729           8 : {       mvc *sql = NULL;
    1730           8 :         str msg;
    1731           8 :         str sname = *getArgReference_str(stk, pci, 1);
    1732           8 :         char *auth = SaveArgReference(stk, pci, 2);
    1733           8 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 3);
    1734           8 :         int admin = *getArgReference_int(stk, pci, 4);
    1735             : 
    1736           8 :         initcontext();
    1737           8 :         msg = sql_revoke_role(sql, sname /*grantee */ , auth, grantor, admin);
    1738           8 :         return msg;
    1739             : }
    1740             : 
    1741             : str
    1742       17782 : SQLgrant(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1743       17782 : {       mvc *sql = NULL;
    1744       17782 :         str msg;
    1745       17782 :         str sname = *getArgReference_str(stk, pci, 1);
    1746       17782 :         char *tname = *getArgReference_str(stk, pci, 2);
    1747       17782 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1748       17782 :         int privs = *getArgReference_int(stk, pci, 4);
    1749       17782 :         char *cname = SaveArgReference(stk, pci, 5);
    1750       17782 :         int grant = *getArgReference_int(stk, pci, 6);
    1751       17782 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 7);
    1752             : 
    1753       17782 :         initcontext();
    1754       17782 :         if (strNil(tname))
    1755          10 :                 msg = sql_grant_global_privs(sql, grantee, privs, grant, grantor);
    1756             :         else
    1757       17772 :                 msg = sql_grant_table_privs(sql, grantee, privs, sname, tname, cname, grant, grantor);
    1758             :         return msg;
    1759             : }
    1760             : 
    1761          10 : str SQLrevoke(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1762          10 : {       mvc *sql = NULL;
    1763          10 :         str msg;
    1764          10 :         str sname = *getArgReference_str(stk, pci, 1);
    1765          10 :         char *tname = *getArgReference_str(stk, pci, 2);
    1766          10 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1767          10 :         int privs = *getArgReference_int(stk, pci, 4);
    1768          10 :         char *cname = SaveArgReference(stk, pci, 5);
    1769          10 :         int grant = *getArgReference_int(stk, pci, 6);
    1770          10 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 7);
    1771             : 
    1772          10 :         initcontext();
    1773          10 :         if (strNil(tname))
    1774           2 :                 msg = sql_revoke_global_privs(sql, grantee, privs, grant, grantor);
    1775             :         else
    1776           8 :                 msg = sql_revoke_table_privs(sql, grantee, privs, sname, tname, cname, grant, grantor);
    1777             :         return msg;
    1778             : }
    1779             : 
    1780             : str
    1781       93217 : SQLgrant_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1782       93217 : {       mvc *sql = NULL;
    1783       93217 :         str msg;
    1784       93217 :         str sname = *getArgReference_str(stk, pci, 1);
    1785       93217 :         sqlid func_id = (sqlid) *getArgReference_int(stk, pci, 2);
    1786       93217 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1787       93217 :         int privs = *getArgReference_int(stk, pci, 4);
    1788       93217 :         int grant = *getArgReference_int(stk, pci, 5);
    1789       93217 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 6);
    1790             : 
    1791       93217 :         initcontext();
    1792       93217 :         msg = sql_grant_func_privs(sql, grantee, privs, sname, func_id, grant, grantor);
    1793       93217 :         return msg;
    1794             : }
    1795             : 
    1796             : str
    1797           1 : SQLrevoke_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1798           1 : {       mvc *sql = NULL;
    1799           1 :         str msg;
    1800           1 :         str sname = *getArgReference_str(stk, pci, 1);
    1801           1 :         sqlid func_id = (sqlid) *getArgReference_int(stk, pci, 2);
    1802           1 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1803           1 :         int privs = *getArgReference_int(stk, pci, 4);
    1804           1 :         int grant = *getArgReference_int(stk, pci, 5);
    1805           1 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 6);
    1806             : 
    1807           1 :         initcontext();
    1808           1 :         msg = sql_revoke_func_privs(sql, grantee, privs, sname, func_id, grant, grantor);
    1809           1 :         return msg;
    1810             : }
    1811             : 
    1812             : str
    1813         318 : SQLcreate_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1814         318 : {       mvc *sql = NULL;
    1815         318 :         str msg;
    1816         318 :         str sname = *getArgReference_str(stk, pci, 1);
    1817         318 :         char *passwd = *getArgReference_str(stk, pci, 2);
    1818         318 :         int enc = *getArgReference_int(stk, pci, 3);
    1819         318 :         char *schema = SaveArgReference(stk, pci, 4);
    1820         318 :         char *schema_path = SaveArgReference(stk, pci, 5);
    1821         318 :         char *fullname = SaveArgReference(stk, pci, 6);
    1822         318 :         lng max_memory = *getArgReference_lng(stk, pci, 7);
    1823         318 :         int max_workers = *getArgReference_int(stk, pci, 8);
    1824         318 :         char *optimizer = SaveArgReference(stk, pci, 9);
    1825         318 :         char *default_role = SaveArgReference(stk, pci, 10);
    1826             : 
    1827         318 :         initcontext();
    1828         318 :         msg = sql_create_user(sql, sname, passwd, enc, fullname, schema, schema_path, max_memory, max_workers, optimizer, default_role);
    1829         318 :         return msg;
    1830             : }
    1831             : 
    1832             : str
    1833          89 : SQLdrop_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1834          89 : {       mvc *sql = NULL;
    1835          89 :         str msg;
    1836          89 :         str sname = *getArgReference_str(stk, pci, 1);
    1837             : 
    1838          89 :         initcontext();
    1839          89 :          msg = sql_drop_user(sql, sname);
    1840          89 :         return msg;
    1841             : }
    1842             : 
    1843             : str
    1844          68 : SQLalter_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1845          68 : {       mvc *sql = NULL;
    1846          68 :         str msg;
    1847          68 :         str sname = *getArgReference_str(stk, pci, 1);
    1848          68 :         char *passwd = SaveArgReference(stk, pci, 2);
    1849          68 :         int enc = *getArgReference_int(stk, pci, 3);
    1850          68 :         char *schema = SaveArgReference(stk, pci, 4);
    1851          68 :         char *schema_path = SaveArgReference(stk, pci, 5);
    1852          68 :         char *oldpasswd = SaveArgReference(stk, pci, 6);
    1853          68 :         char *role = SaveArgReference(stk, pci, 7);
    1854          68 :         lng max_memory = *getArgReference_lng(stk, pci, 8);
    1855          68 :         int max_workers = *getArgReference_int(stk, pci, 9);
    1856             : 
    1857          68 :         initcontext();
    1858          68 :         msg = sql_alter_user(sql, sname, passwd, enc, schema, schema_path, oldpasswd, role, max_memory, max_workers);
    1859             : 
    1860          68 :         return msg;
    1861             : }
    1862             : 
    1863             : str
    1864           5 : SQLrename_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1865           5 : {       mvc *sql = NULL;
    1866           5 :         str msg;
    1867           5 :         str sname = *getArgReference_str(stk, pci, 1);
    1868           5 :         char *newuser = *getArgReference_str(stk, pci, 2);
    1869             : 
    1870           5 :         initcontext();
    1871           5 :         msg = sql_rename_user(sql, sname, newuser);
    1872           5 :         return msg;
    1873             : }
    1874             : 
    1875             : str
    1876          23 : SQLcreate_role(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1877          23 : {       mvc *sql = NULL;
    1878          23 :         str msg;
    1879          23 :         str sname = *getArgReference_str(stk, pci, 1);
    1880          23 :         char *role = sname;
    1881          23 :         sqlid grantor = (sqlid)*getArgReference_int(stk, pci, 3);
    1882             : 
    1883          23 :         initcontext();
    1884          23 :         msg = sql_create_role(sql, role, grantor);
    1885          23 :         return msg;
    1886             : }
    1887             : 
    1888             : str
    1889          19 : SQLdrop_role(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1890          19 : {       mvc *sql = NULL;
    1891          19 :         str msg;
    1892          19 :         str sname = *getArgReference_str(stk, pci, 1);
    1893          19 :         char *role = sname;
    1894             : 
    1895          19 :         initcontext();
    1896          19 :         msg = sql_drop_role(sql, role);
    1897          19 :         return msg;
    1898             : }
    1899             : 
    1900             : str
    1901         157 : SQLdrop_index(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1902         157 : {       mvc *sql = NULL;
    1903         157 :         str msg;
    1904         157 :         str sname = *getArgReference_str(stk, pci, 1);
    1905         157 :         char *iname = *getArgReference_str(stk, pci, 2);
    1906             : 
    1907         157 :         initcontext();
    1908         157 :         msg = drop_index(sql, sname, iname);
    1909         157 :         return msg;
    1910             : }
    1911             : 
    1912             : str
    1913         794 : SQLdrop_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1914         794 : {       mvc *sql = NULL;
    1915         794 :         str msg;
    1916         794 :         str sname = *getArgReference_str(stk, pci, 1);
    1917         794 :         char *fname = *getArgReference_str(stk, pci, 2);
    1918         794 :         sqlid fid = (sqlid)*getArgReference_int(stk, pci, 3);
    1919         794 :         sql_ftype type = (sql_ftype) *getArgReference_int(stk, pci, 4);
    1920         794 :         int action = *getArgReference_int(stk, pci, 5);
    1921             : 
    1922         794 :         initcontext();
    1923         794 :         msg = drop_func(sql, sname, fname, fid, type, action);
    1924         794 :         return msg;
    1925             : }
    1926             : 
    1927             : str
    1928      117555 : SQLcreate_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1929      117555 : {       mvc *sql = NULL;
    1930      117555 :         str msg;
    1931      117555 :         str sname = *getArgReference_str(stk, pci, 1);
    1932      117555 :         str fname = *getArgReference_str(stk, pci, 2);
    1933      117555 :         sql_func *f = *(sql_func **) getArgReference(stk, pci, 3);
    1934      117555 :         int replace = *getArgReference_int(stk, pci, 4);
    1935             : 
    1936      117555 :         initcontext();
    1937      117555 :         msg = create_func(sql, sname, fname, f, replace);
    1938      117555 :         return msg;
    1939             : }
    1940             : 
    1941             : str
    1942         334 : SQLcreate_trigger(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1943         334 : {       mvc *sql = NULL;
    1944         334 :         str msg;
    1945         334 :         str sname = *getArgReference_str(stk, pci, 1);
    1946         334 :         char *tname = *getArgReference_str(stk, pci, 2);
    1947         334 :         char *triggername = *getArgReference_str(stk, pci, 3);
    1948         334 :         int time = *getArgReference_int(stk, pci, 4);
    1949         334 :         int orientation = *getArgReference_int(stk, pci, 5);
    1950         334 :         int event = *getArgReference_int(stk, pci, 6);
    1951         334 :         char *old_name = *getArgReference_str(stk, pci, 7);
    1952         334 :         char *new_name = *getArgReference_str(stk, pci, 8);
    1953         334 :         char *condition = *getArgReference_str(stk, pci, 9);
    1954         334 :         char *query = *getArgReference_str(stk, pci, 10);
    1955         334 :         int replace = *getArgReference_int(stk, pci, 11);
    1956             : 
    1957         334 :         initcontext();
    1958         361 :         old_name=(strNil(old_name))?NULL:old_name;
    1959         374 :         new_name=(strNil(new_name))?NULL:new_name;
    1960         334 :         condition=(strNil(condition))?NULL:condition;
    1961         334 :         msg = create_trigger(sql, sname, tname, triggername, time, orientation, event, old_name, new_name, condition, query, replace);
    1962         334 :         return msg;
    1963             : }
    1964             : 
    1965             : str
    1966          80 : SQLdrop_trigger(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1967          80 : {       mvc *sql = NULL;
    1968          80 :         str msg;
    1969          80 :         str sname = *getArgReference_str(stk, pci, 1);
    1970          80 :         char *triggername = *getArgReference_str(stk, pci, 2);
    1971          80 :         int if_exists = *getArgReference_int(stk, pci, 3);
    1972             : 
    1973          80 :         initcontext();
    1974          80 :         msg = drop_trigger(sql, sname, triggername, if_exists);
    1975          80 :         return msg;
    1976             : }
    1977             : 
    1978             : str
    1979         247 : SQLalter_add_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1980         247 : {       mvc *sql = NULL;
    1981         247 :         str msg;
    1982         247 :         str sname = *getArgReference_str(stk, pci, 1);
    1983         247 :         char *mtname = SaveArgReference(stk, pci, 2);
    1984         247 :         char *psname = SaveArgReference(stk, pci, 3);
    1985         247 :         char *ptname = SaveArgReference(stk, pci, 4);
    1986             : 
    1987         247 :         initcontext();
    1988         247 :         msg = alter_table_add_table(sql, sname, mtname, psname, ptname);
    1989         247 :         return msg;
    1990             : }
    1991             : 
    1992             : str
    1993         213 : SQLalter_add_range_partition(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1994         213 : {       mvc *sql = NULL;
    1995         213 :         str msg;
    1996         213 :         str sname = *getArgReference_str(stk, pci, 1);
    1997         213 :         char *mtname = SaveArgReference(stk, pci, 2);
    1998         213 :         char *psname = SaveArgReference(stk, pci, 3);
    1999         213 :         char *ptname = SaveArgReference(stk, pci, 4);
    2000         213 :         ValRecord *min = &(stk)->stk[(pci)->argv[5]];
    2001         213 :         ValRecord *max = &(stk)->stk[(pci)->argv[6]];
    2002         213 :         bit with_nills = *getArgReference_bit(stk, pci, 7);
    2003         213 :         int update = *getArgReference_int(stk, pci, 8);
    2004         213 :         lng cnt = 0;
    2005             : 
    2006         213 :         if (getArgType(mb, pci, 9) == TYPE_lng) {
    2007         211 :                 cnt = *getArgReference_lng(stk, pci, 9);
    2008             :         } else {
    2009           2 :                 BAT *c = BATdescriptor(*getArgReference_bat(stk, pci, 9));
    2010           2 :                 if (c && BATcount(c) == 1)
    2011           2 :                         cnt = *(lng*)Tloc(c, 0);
    2012           2 :                 if (c)
    2013           2 :                         BBPunfix(c->batCacheid);
    2014             :         }
    2015             : 
    2016         213 :         initcontext();
    2017         213 :         msg = alter_table_add_range_partition(sql, sname, mtname, psname, ptname, VALget(min), VALget(max), with_nills, update, cnt);
    2018         213 :         return msg;
    2019             : }
    2020             : 
    2021             : str
    2022          58 : SQLalter_add_value_partition(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2023          58 : {       mvc *sql = NULL;
    2024          58 :         str msg;
    2025          58 :         str sname = *getArgReference_str(stk, pci, 1);
    2026          58 :         char *mtname = SaveArgReference(stk, pci, 2);
    2027          58 :         char *psname = SaveArgReference(stk, pci, 3);
    2028          58 :         char *ptname = SaveArgReference(stk, pci, 4);
    2029          58 :         bit with_nills = *getArgReference_bit(stk, pci, 5);
    2030          58 :         int update = *getArgReference_int(stk, pci, 6);
    2031          58 :         lng cnt = 0;
    2032             : 
    2033          58 :         if (getArgType(mb, pci, 7) == TYPE_lng) {
    2034          58 :                 cnt = *getArgReference_lng(stk, pci, 7);
    2035             :         } else {
    2036           0 :                 BAT *c = BATdescriptor(*getArgReference_bat(stk, pci, 7));
    2037           0 :                 if (c && BATcount(c) == 1)
    2038           0 :                         cnt = *(lng*)Tloc(c, 0);
    2039           0 :                 if (c)
    2040           0 :                         BBPunfix(c->batCacheid);
    2041             :         }
    2042             : 
    2043          58 :         initcontext();
    2044          58 :         msg = alter_table_add_value_partition(sql, stk, pci, sname, mtname, psname, ptname, with_nills, update, cnt);
    2045          58 :         return msg;
    2046             : }
    2047             : 
    2048             : str
    2049         169 : SQLalter_del_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2050         169 : {       mvc *sql = NULL;
    2051         169 :         str msg;
    2052         169 :         str sname = *getArgReference_str(stk, pci, 1);
    2053         169 :         char *mtname = SaveArgReference(stk, pci, 2);
    2054         169 :         char *psname = SaveArgReference(stk, pci, 3);
    2055         169 :         char *ptname = SaveArgReference(stk, pci, 4);
    2056         169 :         int drop_action = *getArgReference_int(stk, pci, 5);
    2057             : 
    2058         169 :         initcontext();
    2059         169 :         msg= alter_table_del_table(sql, sname, mtname, psname, ptname, drop_action);
    2060         169 :         return msg;
    2061             : }
    2062             : 
    2063             : str
    2064        2036 : SQLalter_set_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2065        2036 : {       mvc *sql = NULL;
    2066        2036 :         str msg;
    2067        2036 :         str sname = *getArgReference_str(stk, pci, 1);
    2068        2036 :         char *tname = SaveArgReference(stk, pci, 2);
    2069        2036 :         int access = *getArgReference_int(stk, pci, 3);
    2070             : 
    2071        2036 :         initcontext();
    2072        2036 :         msg = alter_table_set_access(sql, sname, tname, access);
    2073             : 
    2074        2036 :         return msg;
    2075             : }
    2076             : 
    2077             : str
    2078         358 : SQLcomment_on(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2079             : {
    2080         358 :         mvc *sql = NULL;
    2081         358 :         str msg;
    2082         358 :         sqlid objid = (sqlid) *getArgReference_int(stk, pci, 1);
    2083         358 :         char *remark = *getArgReference_str(stk, pci, 2);
    2084         358 :         sql_trans *tx;
    2085         358 :         sql_schema *sys;
    2086         358 :         sql_table *comments;
    2087         358 :         sql_column *id_col, *remark_col;
    2088         358 :         oid rid;
    2089         358 :         int ok = LOG_OK;
    2090             : 
    2091         358 :         initcontext();
    2092             : 
    2093             :         // Manually insert the rows to circumvent permission checks.
    2094         358 :         tx = sql->session->tr;
    2095         358 :         sys = mvc_bind_schema(sql, "sys");
    2096         358 :         if (!sys)
    2097           0 :                 throw(SQL, "sql.comment_on", SQLSTATE(3F000) "Internal error");
    2098         358 :         comments = mvc_bind_table(sql, sys, "comments");
    2099         358 :         if (!comments)
    2100           0 :                 throw(SQL, "sql.comment_on", SQLSTATE(3F000) "no table sys.comments");
    2101         358 :         id_col = mvc_bind_column(sql, comments, "id");
    2102         358 :         remark_col = find_sql_column(comments, "remark");
    2103         358 :         if (!id_col || !remark_col)
    2104           0 :                 throw(SQL, "sql.comment_on", SQLSTATE(3F000) "no table sys.comments");
    2105         358 :         sqlstore *store = tx->store;
    2106         358 :         rid = store->table_api.column_find_row(tx, id_col, &objid, NULL);
    2107         716 :         if (!strNil(remark) && *remark) {
    2108         349 :                 if (!is_oid_nil(rid)) {
    2109             :                         // have new remark and found old one, so update field
    2110             :                         /* UPDATE sys.comments SET remark = %s WHERE id = %d */
    2111           4 :                         ok = store->table_api.column_update_value(tx, remark_col, rid, remark);
    2112             :                 } else {
    2113             :                         // have new remark but found none so insert row
    2114             :                         /* INSERT INTO sys.comments (id, remark) VALUES (%d, %s) */
    2115         345 :                         ok = store->table_api.table_insert(tx, comments, &objid, &remark);
    2116             :                 }
    2117         349 :                 if (ok != LOG_OK)
    2118           1 :                         throw(SQL, "sql.comment_on", SQLSTATE(42000) "Comment on failed%s", ok == LOG_CONFLICT ? " due to conflict with another transaction" : "");
    2119         348 :                 if ((ok = sql_trans_add_dependency(tx, objid, ddl)) != LOG_OK) /* At the moment this adds dependencies for old objects :( */
    2120           0 :                         throw(SQL, "sql.comment_on", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2121             :         } else {
    2122           9 :                 if (!is_oid_nil(rid)) {
    2123             :                         // have no remark but found one, so delete row
    2124             :                         /* DELETE FROM sys.comments WHERE id = %d */
    2125           7 :                         if ((ok = store->table_api.table_delete(tx, comments, rid)) != LOG_OK)
    2126           0 :                                 throw(SQL, "sql.comment_on", SQLSTATE(42000) "Comment on failed%s", ok == LOG_CONFLICT ? " due to conflict with another transaction" : "");
    2127             :                 }
    2128             :         }
    2129             :         return MAL_SUCCEED;
    2130             : }
    2131             : 
    2132             : str
    2133           8 : SQLrename_schema(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2134             : {
    2135           8 :         mvc *sql = NULL;
    2136           8 :         str msg = MAL_SUCCEED;
    2137           8 :         str old_name = *getArgReference_str(stk, pci, 1);
    2138           8 :         str new_name = *getArgReference_str(stk, pci, 2);
    2139           8 :         sql_schema *s;
    2140             : 
    2141           8 :         initcontext();
    2142           8 :         sql_schema *cur = cur_schema(sql);
    2143             : 
    2144           8 :         if (!(s = mvc_bind_schema(sql, old_name)))
    2145           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(42S02)
    2146             :                           "ALTER SCHEMA: no such schema '%s'", old_name);
    2147             : 
    2148           8 :         if (!mvc_schema_privs(sql, s))
    2149           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(42000)
    2150             :                           "ALTER SCHEMA: access denied for %s to schema '%s'",
    2151             :                           get_string_global_var(sql, "current_user"), old_name);
    2152             : 
    2153           8 :         if (s->system)
    2154           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(3F000)
    2155             :                           "ALTER SCHEMA: cannot rename a system schema");
    2156             : 
    2157          16 :         if (strNil(new_name) || *new_name == '\0')
    2158           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(3F000)
    2159             :                           "ALTER SCHEMA: invalid new schema name");
    2160             : 
    2161           8 :         if (mvc_bind_schema(sql, new_name))
    2162           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(3F000)
    2163             :                           "ALTER SCHEMA: there is a schema named '%s' in the database", new_name);
    2164             : 
    2165           8 :         if (mvc_check_dependency(sql, s->base.id, SCHEMA_DEPENDENCY, NULL) == HAS_DEPENDENCY) {
    2166           0 :                 throw(SQL, "sql.rename_schema", "ALTER SCHEMA: unable to"
    2167             :                           " rename schema '%s', there are database objects"
    2168             :                           " which depend on it", old_name);
    2169             :         }
    2170             : 
    2171           8 :         switch (sql_trans_rename_schema(sql->session->tr, s->base.id, new_name)) {
    2172           0 :                 case -1:
    2173           0 :                         throw(SQL,"sql.rename_schema", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2174           0 :                 case -2:
    2175             :                 case -3:
    2176           0 :                         throw(SQL,"sql.rename_schema", SQLSTATE(42000)
    2177             :                                   "ALTER SCHEMA: transaction conflict detected");
    2178             :                 default:
    2179           8 :                         break;
    2180             :         }
    2181             : 
    2182           8 :         if (cur && s->base.id == cur->base.id) {
    2183           1 :                 if (!mvc_set_schema(sql, new_name))
    2184           0 :                         throw(SQL, "sql.rename_schema",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2185             : 
    2186           1 :                 s = mvc_bind_schema(sql, "sys");
    2187           1 :                 assert(s);
    2188             : 
    2189           1 :                 if (!sqlvar_set_string(find_global_var(sql, s, "current_schema"), new_name))
    2190           0 :                         throw(SQL, "sql.setVariable", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2191             :         }
    2192             : 
    2193             :         return msg;
    2194             : }
    2195             : 
    2196             : str
    2197          45 : SQLrename_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2198             : {
    2199          45 :         mvc *sql = NULL;
    2200          45 :         str msg = MAL_SUCCEED;
    2201          45 :         str oschema_name = *getArgReference_str(stk, pci, 1);
    2202          45 :         str nschema_name = *getArgReference_str(stk, pci, 2);
    2203          45 :         str otable_name = *getArgReference_str(stk, pci, 3);
    2204          45 :         str ntable_name = *getArgReference_str(stk, pci, 4);
    2205          45 :         sql_schema *o, *s;
    2206          45 :         sql_table *t;
    2207             : 
    2208          45 :         initcontext();
    2209             : 
    2210          45 :         if (strcmp(oschema_name, nschema_name) == 0) { //renaming the table itself
    2211          19 :                 if (!(s = mvc_bind_schema(sql, oschema_name)))
    2212           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", oschema_name);
    2213          19 :                 if (!mvc_schema_privs(sql, s))
    2214           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), oschema_name);
    2215          19 :                 if (!(t = mvc_bind_table(sql, s, otable_name)))
    2216           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", otable_name, oschema_name);
    2217          19 :                 if (t->system)
    2218           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot rename a system table");
    2219          19 :                 if (isView(t))
    2220           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot rename a view");
    2221          19 :                 if (isDeclaredTable(t))
    2222           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot rename a declared table");
    2223          19 :                 if (mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL))
    2224           0 :                         throw (SQL,"sql.rename_table", SQLSTATE(2BM37) "ALTER TABLE: unable to rename table '%s' (there are database objects which depend on it)", otable_name);
    2225          38 :                 if (strNil(ntable_name) || *ntable_name == '\0')
    2226           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(3F000) "ALTER TABLE: invalid new table name");
    2227          19 :                 if (mvc_bind_table(sql, s, ntable_name))
    2228           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(3F000) "ALTER TABLE: there is a table named '%s' in schema '%s'", ntable_name, oschema_name);
    2229             : 
    2230          19 :                 switch (sql_trans_rename_table(sql->session->tr, s, t->base.id, ntable_name)) {
    2231           0 :                         case -1:
    2232           0 :                                 throw(SQL,"sql.rename_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2233           3 :                         case -2:
    2234             :                         case -3:
    2235           3 :                                 throw(SQL,"sql.rename_table", SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    2236             :                         default:
    2237             :                                 break;
    2238             :                 }
    2239             :         } else { //changing the schema of the table
    2240          26 :                 assert(strcmp(otable_name, ntable_name) == 0);
    2241             : 
    2242          26 :                 if (!(o = mvc_bind_schema(sql, oschema_name)))
    2243           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", oschema_name);
    2244          26 :                 if (!mvc_schema_privs(sql, o))
    2245           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), oschema_name);
    2246          26 :                 if (!(t = mvc_bind_table(sql, o, otable_name)))
    2247           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", otable_name, oschema_name);
    2248          26 :                 if (t->system)
    2249           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot set schema of a system table");
    2250          26 :                 if (isTempSchema(o))
    2251           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: not possible to change a temporary table schema");
    2252          26 :                 if (isView(t))
    2253           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: not possible to change schema of a view");
    2254          26 :                 if (isDeclaredTable(t))
    2255           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: not possible to change schema of a declared table");
    2256          26 :                 if (mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL) || list_length(t->members) || ol_length(t->triggers))
    2257           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(2BM37) "ALTER TABLE: unable to set schema of table '%s' (there are database objects which depend on it)", otable_name);
    2258          26 :                 if (!(s = mvc_bind_schema(sql, nschema_name)))
    2259           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", nschema_name);
    2260          26 :                 if (!mvc_schema_privs(sql, s))
    2261           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: access denied for '%s' to schema '%s'", get_string_global_var(sql, "current_user"), nschema_name);
    2262          26 :                 if (isTempSchema(s))
    2263           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(3F000) "ALTER TABLE: not possible to change table's schema to temporary");
    2264          26 :                 if (mvc_bind_table(sql, s, otable_name))
    2265           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: table '%s' on schema '%s' already exists", otable_name, nschema_name);
    2266             : 
    2267          26 :                 switch (sql_trans_set_table_schema(sql->session->tr, t->base.id, o, s)) {
    2268           0 :                         case -1:
    2269           0 :                                 throw(SQL,"sql.rename_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2270           1 :                         case -2:
    2271             :                         case -3:
    2272           1 :                                 throw(SQL,"sql.rename_table", SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    2273             :                         default:
    2274             :                                 break;
    2275             :                 }
    2276             :         }
    2277             : 
    2278             :         return msg;
    2279             : }
    2280             : 
    2281             : str
    2282          13 : SQLrename_column(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2283             : {
    2284          13 :         mvc *sql = NULL;
    2285          13 :         str msg = MAL_SUCCEED;
    2286          13 :         str schema_name = *getArgReference_str(stk, pci, 1);
    2287          13 :         str table_name = *getArgReference_str(stk, pci, 2);
    2288          13 :         str old_name = *getArgReference_str(stk, pci, 3);
    2289          13 :         str new_name = *getArgReference_str(stk, pci, 4);
    2290          13 :         sql_schema *s;
    2291          13 :         sql_table *t;
    2292          13 :         sql_column *col;
    2293             : 
    2294          13 :         initcontext();
    2295          13 :         if (!(s = mvc_bind_schema(sql, schema_name)))
    2296           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", schema_name);
    2297          13 :         if (!mvc_schema_privs(sql, s))
    2298           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), schema_name);
    2299          13 :         if (!(t = mvc_bind_table(sql, s, table_name)))
    2300           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", table_name, schema_name);
    2301          13 :         if (t->system)
    2302           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: cannot rename a column in a system table");
    2303          13 :         if (isView(t))
    2304           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: cannot rename column '%s': '%s' is a view", old_name, table_name);
    2305          13 :         if (isDeclaredTable(t))
    2306           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: cannot rename column in a declared table");
    2307          13 :         if (!(col = mvc_bind_column(sql, t, old_name)))
    2308           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42S22) "ALTER TABLE: no such column '%s' in table '%s'", old_name, table_name);
    2309          13 :         if (mvc_check_dependency(sql, col->base.id, COLUMN_DEPENDENCY, NULL))
    2310           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(2BM37) "ALTER TABLE: cannot rename column '%s' (there are database objects which depend on it)", old_name);
    2311          26 :         if (strNil(new_name) || *new_name == '\0')
    2312           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(3F000) "ALTER TABLE: invalid new column name");
    2313          13 :         if (mvc_bind_column(sql, t, new_name))
    2314           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(3F000) "ALTER TABLE: there is a column named '%s' in table '%s'", new_name, table_name);
    2315             : 
    2316          13 :         switch (sql_trans_rename_column(sql->session->tr, t, col->base.id, old_name, new_name)) {
    2317           0 :                 case -1:
    2318           0 :                         throw(SQL,"sql.rename_column", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2319           0 :                 case -2:
    2320             :                 case -3:
    2321           0 :                         throw(SQL,"sql.rename_column", SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    2322             :                 default:
    2323             :                         break;
    2324             :         }
    2325             :         return msg;
    2326             : }

Generated by: LCOV version 1.14