LCOV - code coverage report
Current view: top level - sql/backends/monet5 - sql_cat.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 1137 1506 75.5 %
Date: 2024-04-25 20:03:45 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       25287 : SaveArgReference(MalStkPtr stk, InstrPtr pci, int arg)
      51             : {
      52       25287 :         char *val = *getArgReference_str(stk, pci, arg);
      53             : 
      54       30405 :         if (strNil(val))
      55             :                 val = NULL;
      56       25287 :         return val;
      57             : }
      58             : 
      59             : static int
      60        2054 : table_has_updates(sql_trans *tr, sql_table *t)
      61             : {
      62        2054 :         node *n;
      63        2054 :         int cnt = 0;
      64        2054 :         sqlstore *store = tr->store;
      65             : 
      66        6438 :         for ( n = ol_first_node(t->columns); !cnt && n; n = n->next) {
      67        4384 :                 sql_column *c = n->data;
      68             : 
      69        4384 :                 size_t upd = store->storage_api.count_col( tr, c, 2/* count updates */);
      70        4384 :                 cnt |= upd > 0;
      71             :         }
      72        2054 :         return cnt;
      73             : }
      74             : 
      75             : static char *
      76         534 : rel_check_tables(mvc *sql, sql_table *nt, sql_table *nnt, const char *errtable)
      77             : {
      78         534 :         node *n, *m, *nn, *mm;
      79             : 
      80         534 :         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        1732 :         for (n = ol_first_node(nt->columns), m = ol_first_node(nnt->columns); n && m; n = n->next, m = m->next) {
      83        1206 :                 sql_column *nc = n->data;
      84        1206 :                 sql_column *mc = m->data;
      85             : 
      86        1206 :                 if (subtype_cmp(&nc->type, &mc->type) != 0)
      87           2 :                         throw(SQL,"sql.rel_check_tables",SQLSTATE(3F000) "ALTER %s: to be added table column type doesn't match %s definition", errtable, errtable);
      88        1204 :                 if (nc->null != mc->null)
      89           3 :                         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        1201 :                 if (isRangePartitionTable(nt) || isListPartitionTable(nt)) {
      91         425 :                         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         526 :         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         524 :         if (ol_length(nt->keys))
      98         109 :                 for (n = ol_first_node(nt->keys), m = ol_first_node(nnt->keys); n && m; n = n->next, m = m->next) {
      99          59 :                         sql_key *ni = n->data;
     100          59 :                         sql_key *mi = m->data;
     101             : 
     102          59 :                         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          59 :                         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         124 :                         for (nn = ni->columns->h, mm = mi->columns->h; nn && mm; nn = nn->next, mm = mm->next) {
     107          67 :                                 sql_kc *nni = nn->data;
     108          67 :                                 sql_kc *mmi = mm->data;
     109             : 
     110          67 :                                 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         522 :         n = ol_length(nt->idxs) ? ol_first_node(nt->idxs) : NULL;
     117         522 :         m = ol_length(nnt->idxs) ? ol_first_node(nnt->idxs) : NULL;
     118         530 :         for (; n || m; n = n->next, m = m->next) {
     119             :                 sql_idx *ni, *mi;
     120             : 
     121          98 :                 while (n) {
     122          56 :                         ni = n->data;
     123          56 :                         if ((!hash_index(ni->type) || list_length(ni->columns) > 1) && idx_has_column(ni->type))
     124             :                                 break;
     125          48 :                         n = n->next;
     126             :                 }
     127          98 :                 while (m) {
     128          56 :                         mi = m->data;
     129          56 :                         if ((!hash_index(mi->type) || list_length(mi->columns) > 1) && idx_has_column(mi->type))
     130             :                                 break;
     131          48 :                         m = m->next;
     132             :                 }
     133             : 
     134          50 :                 if (!n && !m) /* no more idxs to check, done */
     135             :                         break;
     136           8 :                 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           8 :                 assert(m && n);
     140           8 :                 ni = n->data;
     141           8 :                 mi = m->data;
     142           8 :                 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           8 :                 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          24 :                 for (nn = ni->columns->h, mm = mi->columns->h; nn && mm; nn = nn->next, mm = mm->next) {
     147          16 :                         sql_kc *nni = nn->data;
     148          16 :                         sql_kc *mmi = mm->data;
     149             : 
     150          16 :                         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         522 :         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         545 : 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         545 :         char *msg = MAL_SUCCEED;
     165         545 :         sql_schema *ms = NULL, *ps = NULL;
     166         545 :         sql_table *rmt = NULL, *rpt = NULL;
     167             : 
     168         545 :         if (!(ms = mvc_bind_schema(sql, msname)))
     169           0 :                 throw(SQL,call,SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", msname);
     170         545 :         if (!(ps = mvc_bind_schema(sql, psname)))
     171           0 :                 throw(SQL,call,SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", psname);
     172         545 :         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         545 :         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         545 :         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         545 :         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         545 :         const char *errtable = TABLE_TYPE_DESCRIPTION(rmt->type, rmt->properties);
     182         545 :         if (!update && (!isMergeTable(rmt) && !isReplicaTable(rmt)))
     183           1 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: cannot add table '%s.%s' to %s '%s.%s'", psname, ptname, errtable, msname, mtname);
     184         544 :         if (isView(rpt))
     185           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: can't add a view into a %s", errtable);
     186         544 :         if (isDeclaredTable(rpt))
     187           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: can't add a declared table into a %s", errtable);
     188         544 :         if (isTempSchema(rpt->s))
     189           0 :                 throw(SQL,call,SQLSTATE(42000) "ALTER TABLE: can't add a temporary table into a %s", errtable);
     190         544 :         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         544 :         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         543 :         node *n = members_find_child_id(rmt->members, rpt->base.id);
     195         543 :         if (n && !update)
     196           7 :                 throw(SQL,call,SQLSTATE(42S02) "ALTER TABLE: table '%s.%s' is already part of %s '%s.%s'", psname, ptname, errtable, msname, mtname);
     197         536 :         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         534 :         if ((msg = rel_check_tables(sql, rmt, rpt, errtable)) != MAL_SUCCEED)
     200             :                 return msg;
     201             : 
     202         520 :         *mt = rmt;
     203         520 :         *pt = rpt;
     204         520 :         return MAL_SUCCEED;
     205             : }
     206             : 
     207             : static char *
     208         290 : alter_table_add_table(mvc *sql, char *msname, char *mtname, char *psname, char *ptname)
     209             : {
     210         290 :         sql_table *mt = NULL, *pt = NULL;
     211         290 :         str msg = validate_alter_table_add_table(sql, "sql.alter_table_add_table", msname, mtname, psname, ptname, &mt, &pt, 0);
     212             : 
     213         290 :         if (msg == MAL_SUCCEED) {
     214         280 :                 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         280 :                 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         280 :                 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         202 : 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         202 :         sql_table *mt = NULL, *pt = NULL;
     237         202 :         sql_part *err = NULL;
     238         202 :         str msg = MAL_SUCCEED, err_min = NULL, err_max = NULL, conflict_err_min = NULL, conflict_err_max = NULL;
     239         202 :         int tp1 = 0, errcode = 0, min_null = 0, max_null = 0;
     240         202 :         size_t length = 0;
     241         202 :         sql_subtype tpe;
     242             : 
     243         202 :         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         188 :         } 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         188 :         } 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         187 :         find_partition_type(&tpe, mt);
     258         187 :         tp1 = tpe.type->localtype;
     259         187 :         min_null = ATOMcmp(tp1, min, ATOMnilptr(tp1)) == 0;
     260         187 :         max_null = ATOMcmp(tp1, max, ATOMnilptr(tp1)) == 0;
     261             : 
     262         187 :         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         185 :         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         182 :         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         164 :         errcode = sql_trans_add_range_partition(sql->session->tr, mt, pt, tpe, min, max, with_nills, update, &err);
     282         164 :         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         170 : finish:
     366         170 :         if (err_min)
     367          28 :                 GDKfree(err_min);
     368         170 :         if (err_max)
     369          28 :                 GDKfree(err_max);
     370         170 :         if (conflict_err_min)
     371          28 :                 GDKfree(conflict_err_min);
     372         170 :         if (conflict_err_max)
     373          28 :                 GDKfree(conflict_err_max);
     374             :         return msg;
     375             : }
     376             : 
     377             : static char *
     378          53 : 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          53 :         sql_table *mt = NULL, *pt = NULL;
     382          53 :         str msg = MAL_SUCCEED;
     383          53 :         sql_part *err = NULL;
     384          53 :         int errcode = 0, i = 0, ninserts = 0;
     385          53 :         sql_subtype tpe;
     386          53 :         list *values = NULL;
     387             : 
     388          53 :         assert(with_nills == false || with_nills == true); /* No nills allowed here */
     389          53 :         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          52 :         } 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          52 :         } 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          52 :         find_partition_type(&tpe, mt);
     405          52 :         ninserts = pci->argc - pci->retc - 7;
     406          52 :         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          52 :         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          49 :         values = list_create((fdestroy) &part_value_destroy);
     422         195 :         for ( i = pci->retc+7; i < pci->argc; i++){
     423         147 :                 sql_part_value *nextv = NULL;
     424         147 :                 ValRecord *vnext = &(stk)->stk[(pci)->argv[i]];
     425         147 :                 ptr pnext = VALget(vnext);
     426         147 :                 size_t len = ATOMlen(vnext->vtype, pnext);
     427             : 
     428         147 :                 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         147 :                 nextv = ZNEW(sql_part_value); /* instantiate the part value */
     436         147 :                 nextv->value = NEW_ARRAY(char, len);
     437         147 :                 memcpy(nextv->value, pnext, len);
     438         147 :                 nextv->length = len;
     439             : 
     440         147 :                 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          48 :         errcode = sql_trans_add_value_partition(sql->session->tr, mt, pt, tpe, values, with_nills, update, &err);
     451          48 :         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          48 :                 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         180 : alter_table_del_table(mvc *sql, char *msname, char *mtname, char *psname, char *ptname, int drop_action)
     483             : {
     484         180 :         sql_schema *ms = NULL, *ps = NULL;
     485         180 :         sql_table *mt = NULL, *pt = NULL;
     486         180 :         node *n = NULL;
     487             : 
     488         180 :         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         180 :         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         180 :         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         180 :         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         180 :         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         180 :         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         180 :         const char *errtable = TABLE_TYPE_DESCRIPTION(mt->type, mt->properties);
     501         180 :         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         180 :         if (!(n = members_find_child_id(mt->members, pt->base.id)))
     504          10 :                 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         170 :         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        2067 : alter_table_set_access(mvc *sql, char *sname, char *tname, int access)
     520             : {
     521        2067 :         sql_schema *s = NULL;
     522        2067 :         sql_table *t = NULL;
     523             : 
     524        2067 :         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        2067 :         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        2067 :         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        2067 :         if (!isTable(t))
     531           1 :                 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        2066 :         if (t->access != access) {
     533        2066 :                 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        2066 :                 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         336 : 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         336 :         sql_trigger *tri = NULL, *other = NULL;
     553         336 :         sql_schema *s = NULL;
     554         336 :         sql_table *t = NULL;
     555         336 :         const char *base = replace ? "CREATE OR REPLACE TRIGGER" : "CREATE TRIGGER";
     556             : 
     557        1007 :         if (!strNil(sname) && !strNil(tname)) {
     558         335 :                 if (!(s = mvc_bind_schema(sql, sname)))
     559           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: no such schema '%s'", base, sname);
     560         335 :                 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         335 :                 if (!(t = mvc_bind_table(sql, s, tname)))
     563           0 :                         throw(SQL,"sql.create_trigger",SQLSTATE(3F000) "%s: unknown table '%s'", base, tname);
     564         335 :                 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         336 :         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         336 :         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         334 :         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         334 :                 default: {
     594         334 :                         char *buf;
     595         334 :                         sql_rel *r = NULL;
     596         334 :                         sql_allocator *sa = sql->sa;
     597             : 
     598         334 :                         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         334 :                         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         334 :                         r = rel_parse(sql, s, buf, m_deps);
     608         334 :                         if (r)
     609         329 :                                 r = sql_processrelation(sql, r, 0, 0, 0, 0);
     610         329 :                         if (r) {
     611         329 :                                 list *blist = rel_dependencies(sql, r);
     612         329 :                                 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         334 :                         sa_destroy(sql->sa);
     619         334 :                         sql->sa = sa;
     620         334 :                         if (!r) {
     621           5 :                                 if (strlen(sql->errstr) > 6 && sql->errstr[5] == '!')
     622           5 :                                         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          81 : drop_trigger(mvc *sql, char *sname, char *tname, int if_exists)
     633             : {
     634          81 :         sql_trigger *tri = NULL;
     635          81 :         sql_schema *s = NULL;
     636             : 
     637          81 :         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          81 :         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          81 :         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          81 :         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        3542 : drop_table(mvc *sql, char *sname, char *tname, int drop_action, int if_exists)
     664             : {
     665        3542 :         sql_schema *s = NULL;
     666        3542 :         sql_table *t = NULL;
     667             : 
     668        3542 :         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        3542 :         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        3542 :         if (isView(t))
     679           1 :                 throw(SQL,"sql.drop_table", SQLSTATE(42000) "DROP TABLE: cannot drop VIEW '%s'", tname);
     680        3541 :         if (t->system)
     681           1 :                 throw(SQL,"sql.drop_table", SQLSTATE(42000) "DROP TABLE: cannot drop system table '%s'", tname);
     682        3540 :         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        3538 :         if (!drop_action && t->keys) {
     686        4394 :                 for (node *n = ol_first_node(t->keys); n; n = n->next) {
     687        1214 :                         sql_key *k = n->data;
     688             : 
     689        1214 :                         if (k->type == ukey || k->type == pkey) {
     690         871 :                                 struct os_iter oi;
     691         871 :                                 os_iterator(&oi, k->t->s->keys, sql->session->tr, NULL);
     692       22584 :                                 for (sql_base *b = oi_next(&oi); b; b=oi_next(&oi)) {
     693       21715 :                                         sql_key *fk = (sql_key*)b;
     694       21715 :                                         sql_fkey *rk = (sql_fkey*)b;
     695             : 
     696       21715 :                                         if (fk->type != fkey || rk->rkey != k->base.id)
     697       21696 :                                                 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        3180 :         if (!drop_action && mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL))
     708          17 :                 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        3519 :         return mvc_drop_table(sql, s, t, drop_action);
     711             : }
     712             : 
     713             : char *
     714         237 : drop_view(mvc *sql, char *sname, char *tname, int drop_action, int if_exists)
     715             : {
     716         237 :         sql_table *t = NULL;
     717         237 :         sql_schema *ss = NULL;
     718             : 
     719         237 :         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         237 :         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         237 :         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         237 :         if (!isView(t))
     732           0 :                 throw(SQL,"sql.drop_view", SQLSTATE(42000) "DROP VIEW: unable to drop view '%s': is a table", tname);
     733         237 :         if (t->system)
     734           1 :                 throw(SQL,"sql.drop_view", SQLSTATE(42000) "DROP VIEW: cannot drop system view '%s'", tname);
     735         236 :         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         233 :         return mvc_drop_table(sql, ss, t, drop_action);
     738             : }
     739             : 
     740             : static str
     741         146 : drop_key(mvc *sql, char *sname, char *tname, char *kname, int drop_action)
     742             : {
     743         146 :         node *n;
     744         146 :         sql_schema *s = cur_schema(sql);
     745         146 :         sql_table *t = NULL;
     746         146 :         sql_key *key;
     747             : 
     748         146 :         if (!(s = mvc_bind_schema(sql, sname)))
     749           0 :                 throw(SQL,"sql.drop_key", SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", sname);
     750         146 :         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         146 :         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         146 :         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         144 :         key = n->data;
     757         144 :         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         143 :         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) && (nb = BBP_desc(VIEWtparent(b)))) {
     779         109 :                 BBPunfix(b->batCacheid);
     780         109 :                 if (!(b = BATdescriptor(nb->batCacheid)))
     781           0 :                         throw(SQL,"sql.drop_index", SQLSTATE(HY005) "Column can not be accessed");
     782             :         }
     783             : 
     784         109 :         func(b);
     785         109 :         BBPunfix(b->batCacheid);
     786         109 :         return MAL_SUCCEED;
     787             : }
     788             : 
     789             : static str
     790         161 : drop_index(mvc *sql, char *sname, char *iname)
     791             : {
     792         161 :         sql_schema *s = NULL;
     793         161 :         sql_idx *i = NULL;
     794         161 :         str msg = MAL_SUCCEED;
     795             : 
     796         161 :         if (!(s = mvc_bind_schema(sql, sname)))
     797           0 :                 throw(SQL,"sql.drop_index", SQLSTATE(3F000) "DROP INDEX: no such schema '%s'", sname);
     798         161 :         if (!mvc_schema_privs(sql, s))
     799           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);
     800         161 :         if (!(i = mvc_bind_idx(sql, s, iname)))
     801           0 :                 throw(SQL,"sql.drop_index", SQLSTATE(42S12) "DROP INDEX: no such index '%s'", iname);
     802         161 :         if (i->key)
     803           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);
     804         160 :         if (i->type == ordered_idx || i->type == imprints_idx) {
     805         109 :                 sql_kc *ic = i->columns->h->data;
     806         109 :                 sql_class icls = ic->c->type.type->eclass;
     807         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))))
     808             :                         return msg;
     809             :         }
     810         160 :         switch (mvc_drop_idx(sql, s, i)) {
     811           0 :                 case -1:
     812           0 :                         throw(SQL,"sql.drop_index",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     813           0 :                 case -2:
     814             :                 case -3:
     815           0 :                         throw(SQL,"sql.drop_index",SQLSTATE(42000) "DROP INDEX: transaction conflict detected");
     816             :                 default:
     817             :                         break;
     818             :         }
     819             :         return NULL;
     820             : }
     821             : 
     822             : static str
     823         308 : create_seq(mvc *sql, char *sname, char *seqname, sql_sequence *seq)
     824             : {
     825         308 :         sql_schema *s = NULL;
     826             : 
     827         308 :         (void)seqname;
     828         308 :         if (!(s = mvc_bind_schema(sql, sname)))
     829           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(3F000) "CREATE SEQUENCE: no such schema '%s'", sname);
     830         308 :         if (!mvc_schema_privs(sql, s))
     831           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);
     832         308 :         if (find_sql_sequence(sql->session->tr, s, seq->base.name))
     833           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: name '%s' already in use", seq->base.name);
     834         308 :         if (is_lng_nil(seq->start) || is_lng_nil(seq->minvalue) || is_lng_nil(seq->maxvalue) ||
     835         308 :                            is_lng_nil(seq->increment) || is_lng_nil(seq->cacheinc) || is_bit_nil(seq->cycle))
     836           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: sequence properties must be non-NULL");
     837         308 :         if (seq->start < seq->minvalue)
     838           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: start value is less than the minimum ("LLFMT" < "LLFMT")", seq->start, seq->minvalue);
     839         308 :         if (seq->start > seq->maxvalue)
     840           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: start value is higher than the maximum ("LLFMT" > "LLFMT")", seq->start, seq->maxvalue);
     841         308 :         if (seq->maxvalue < seq->minvalue)
     842             :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: maximum value is less than the minimum ("LLFMT" < "LLFMT")", seq->maxvalue, seq->minvalue);
     843         308 :         if (seq->increment == 0)
     844           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: sequence increment cannot be 0");
     845         308 :         if (seq->cacheinc <= 0)
     846           0 :                 throw(SQL,"sql.create_seq", SQLSTATE(42000) "CREATE SEQUENCE: sequence cache must be positive");
     847         308 :         lng calc = llabs(seq->increment) * seq->cacheinc;
     848         308 :         if (calc < llabs(seq->increment) || calc < seq->cacheinc)
     849           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");
     850         308 :         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)) {
     851           0 :                 case -1:
     852           0 :                         throw(SQL,"sql.create_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     853           0 :                 case -2:
     854             :                 case -3:
     855           0 :                         throw(SQL,"sql.create_seq",SQLSTATE(42000) "CREATE SEQUENCE: transaction conflict detected");
     856             :                 default:
     857             :                         break;
     858             :         }
     859             :         return NULL;
     860             : }
     861             : 
     862             : static str
     863          42 : alter_seq(mvc *sql, char *sname, char *seqname, sql_sequence *seq, const lng *val)
     864             : {
     865          42 :         sql_schema *s = NULL;
     866          42 :         sql_sequence *nseq = NULL;
     867             : 
     868          42 :         (void)seqname;
     869          42 :         if (!(s = mvc_bind_schema(sql, sname)))
     870           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(3F000) "ALTER SEQUENCE: no such schema '%s'", sname);
     871          42 :         if (!mvc_schema_privs(sql, s))
     872           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);
     873          42 :         if (!(nseq = find_sql_sequence(sql->session->tr, s, seq->base.name)))
     874           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: no such sequence '%s'", seq->base.name);
     875             :         /* if seq properties hold NULL values, then they should be ignored during the update */
     876             :         /* first alter the known values */
     877          42 :         switch (sql_trans_alter_sequence(sql->session->tr, nseq, seq->minvalue, seq->maxvalue, seq->increment, seq->cacheinc, seq->cycle)) {
     878           0 :                 case -1:
     879           0 :                         throw(SQL,"sql.alter_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     880           0 :                 case -2:
     881             :                 case -3:
     882           0 :                         throw(SQL,"sql.alter_seq",SQLSTATE(42000) "ALTER SEQUENCE: transaction conflict detected");
     883             :                 default:
     884          42 :                         break;
     885             :         }
     886          42 :         if (nseq->maxvalue < nseq->minvalue)
     887           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: maximum value is less than the minimum ("LLFMT" < "LLFMT")", nseq->maxvalue, nseq->minvalue);
     888          42 :         if (nseq->increment == 0)
     889           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: sequence increment cannot be 0");
     890          42 :         if (nseq->cacheinc <= 0)
     891           0 :                 throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: sequence cache must be positive");
     892          42 :         lng calc = llabs(nseq->increment) * nseq->cacheinc;
     893          42 :         if (calc < llabs(nseq->increment) || calc < nseq->cacheinc)
     894           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");
     895          42 :         if (val) {
     896          42 :                 if (is_lng_nil(*val))
     897           0 :                         throw(SQL,"sql.alter_seq", SQLSTATE(42000) "ALTER SEQUENCE: sequence value must be non-NULL");
     898          42 :                 if (*val < nseq->minvalue)
     899           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);
     900          41 :                 if (*val > nseq->maxvalue)
     901           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);
     902          40 :                 switch (sql_trans_sequence_restart(sql->session->tr, nseq, *val)) {
     903           0 :                         case -1:
     904           0 :                                 throw(SQL,"sql.alter_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     905           0 :                         case -2:
     906             :                         case -3:
     907           0 :                                 throw(SQL,"sql.alter_seq",SQLSTATE(42000) "ALTER SEQUENCE: transaction conflict detected");
     908           0 :                         case -4:
     909           0 :                                 throw(SQL,"sql.alter_seq",SQLSTATE(42000) "ALTER SEQUENCE: failed to restart sequence %s.%s", sname, nseq->base.name);
     910             :                         default:
     911             :                                 break;
     912             :                 }
     913             :         }
     914             :         return MAL_SUCCEED;
     915             : }
     916             : 
     917             : static str
     918          32 : drop_seq(mvc *sql, char *sname, char *name)
     919             : {
     920          32 :         sql_schema *s = NULL;
     921          32 :         sql_sequence *seq = NULL;
     922             : 
     923          32 :         if (!(s = mvc_bind_schema(sql, sname)))
     924           0 :                 throw(SQL,"sql.drop_seq", SQLSTATE(3F000) "DROP SEQUENCE: no such schema '%s'", sname);
     925          32 :         if (!mvc_schema_privs(sql, s))
     926           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);
     927          32 :         if (!(seq = find_sql_sequence(sql->session->tr, s, name)))
     928           0 :                 throw(SQL,"sql.drop_seq", SQLSTATE(42M35) "DROP SEQUENCE: no such sequence '%s'", name);
     929          32 :         if (mvc_check_dependency(sql, seq->base.id, BEDROPPED_DEPENDENCY, NULL))
     930           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);
     931             : 
     932          30 :         switch (sql_trans_drop_sequence(sql->session->tr, s, seq, 0)) {
     933           0 :                 case -1:
     934           0 :                         throw(SQL,"sql.drop_seq",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     935           0 :                 case -2:
     936             :                 case -3:
     937           0 :                         throw(SQL,"sql.drop_seq",SQLSTATE(42000) "DROP SEQUENCE: transaction conflict detected");
     938             :                 default:
     939             :                         break;
     940             :         }
     941             :         return NULL;
     942             : }
     943             : 
     944             : static str
     945         654 : drop_func(mvc *sql, char *sname, char *name, sqlid fid, sql_ftype type, int action)
     946             : {
     947         654 :         sql_schema *s = NULL;
     948         654 :         char *F = NULL, *fn = NULL;
     949         654 :         int res = 0;
     950             : 
     951         654 :         FUNC_TYPE_STR(type, F, fn)
     952             : 
     953         654 :         if (!(s = mvc_bind_schema(sql, sname))) {
     954           0 :                 if (fid == -2) /* if exists option */
     955             :                         return MAL_SUCCEED;
     956           0 :                 throw(SQL,"sql.drop_func", SQLSTATE(3F000) "DROP %s: no such schema '%s'", F, sname);
     957             :         }
     958         654 :         if (!mvc_schema_privs(sql, s))
     959           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);
     960         654 :         if (fid >= 0) {
     961         626 :                 sql_base *b = os_find_id(s->funcs, sql->session->tr, fid);
     962         626 :                 if (b) {
     963         626 :                         sql_func *func = (sql_func*)b;
     964             : 
     965         666 :                         if (!action && mvc_check_dependency(sql, func->base.id, !IS_PROC(func) ? FUNC_DEPENDENCY : PROC_DEPENDENCY, NULL))
     966           4 :                                 throw(SQL,"sql.drop_func", SQLSTATE(42000) "DROP %s: there are database objects dependent on %s %s;", F, fn, func->base.name);
     967         622 :                         res = mvc_drop_func(sql, s, func, action);
     968             :                 }
     969          28 :         } else if (fid == -2) { /* if exists option */
     970             :                 return MAL_SUCCEED;
     971             :         } else { /* fid == -1 */
     972          28 :                 list *list_func = sql_find_funcs_by_name(sql, s->base.name, name, type, false);
     973             : 
     974          28 :                 if (!list_empty(list_func))
     975          68 :                         for (node *n = list_func->h; n; n = n->next) {
     976          40 :                                 sql_func *func = n->data;
     977             : 
     978          53 :                                 if (!action && mvc_check_dependency(sql, func->base.id, !IS_PROC(func) ? FUNC_DEPENDENCY : PROC_DEPENDENCY, list_func)) {
     979           0 :                                         list_destroy(list_func);
     980           0 :                                         throw(SQL,"sql.drop_func", SQLSTATE(42000) "DROP %s: there are database objects dependent on %s %s;", F, fn, func->base.name);
     981             :                                 }
     982             :                         }
     983          28 :                 res = mvc_drop_all_func(sql, s, list_func, action);
     984          28 :                 list_destroy(list_func);
     985             :         }
     986             : 
     987         650 :         switch (res) {
     988           0 :                 case -1:
     989           0 :                         throw(SQL,"sql.drop_func",SQLSTATE(HY013) MAL_MALLOC_FAIL);
     990           0 :                 case -2:
     991             :                 case -3:
     992           0 :                         throw(SQL,"sql.drop_func",SQLSTATE(42000) "DROP %s: transaction conflict detected", F);
     993             :                 default:
     994             :                         break;
     995             :         }
     996             :         return MAL_SUCCEED;
     997             : }
     998             : 
     999             : static int
    1000           6 : args_cmp(sql_arg *a1, sql_arg *a2)
    1001             : {
    1002           6 :         if (a1->inout != a2->inout)
    1003             :                 return -1;
    1004           6 :         if (strcmp(a1->name, a2->name) != 0)
    1005             :                 return -1;
    1006           6 :         return subtype_cmp(&a1->type, &a2->type);
    1007             : }
    1008             : 
    1009             : static char *
    1010      114393 : create_func(mvc *sql, char *sname, char *fname, sql_func *f, int replace)
    1011             : {
    1012      114393 :         sql_func *nf;
    1013      114393 :         sql_subfunc *sf;
    1014      114393 :         sql_schema *s = NULL;
    1015      114393 :         char *F = NULL, *fn = NULL, *base = replace ? "CREATE OR REPLACE" : "CREATE";
    1016             : 
    1017      114393 :         FUNC_TYPE_STR(f->type, F, fn)
    1018             : 
    1019      114393 :         (void) fn;
    1020      114393 :         if (!(s = mvc_bind_schema(sql, sname)))
    1021           0 :                 throw(SQL,"sql.create_func", SQLSTATE(3F000) "%s %s: no such schema '%s'", base, F, sname);
    1022      114393 :         if (!mvc_schema_privs(sql, s))
    1023           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);
    1024             : 
    1025      114393 :         if (replace) {
    1026          66 :                 list *tl = sa_list(sql->sa);
    1027          66 :                 if (!list_empty(f->ops)) {
    1028          79 :                         for (node *n = f->ops->h ; n ; n = n->next ) {
    1029          45 :                                 sql_arg *arg = n->data;
    1030             : 
    1031          45 :                                 list_append(tl, &arg->type);
    1032             :                         }
    1033             :                 }
    1034             : 
    1035          66 :                 if ((sf = sql_bind_func_(sql, s->base.name, fname, tl, f->type, false)) != NULL) {
    1036          15 :                         sql_func *sff = sf->func;
    1037             : 
    1038          15 :                         if (!sff->s || sff->system)
    1039           0 :                                 throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: not allowed to replace system %s %s;", base, F, fn, sff->base.name);
    1040             : 
    1041             :                         /* if all function parameters are the same, return */
    1042          15 :                         if (sff->lang == f->lang && sff->type == f->type &&
    1043          15 :                                 sff->varres == f->varres && sff->vararg == f->vararg &&
    1044          18 :                                 ((!sff->query && !f->query) || (sff->query && f->query && strcmp(sff->query, f->query) == 0)) &&
    1045           6 :                                 list_cmp(sff->res, f->res, (fcmp) &args_cmp) == 0 &&
    1046           3 :                                 list_cmp(sff->ops, f->ops, (fcmp) &args_cmp) == 0)
    1047             :                                 return MAL_SUCCEED;
    1048             : 
    1049          12 :                         if (mvc_check_dependency(sql, sff->base.id, !IS_PROC(sff) ? FUNC_DEPENDENCY : PROC_DEPENDENCY, NULL))
    1050           0 :                                 throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: there are database objects dependent on %s %s;", base, F, fn, sff->base.name);
    1051          12 :                         switch (mvc_drop_func(sql, s, sff, 0)) {
    1052           0 :                                 case -1:
    1053           0 :                                         throw(SQL,"sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1054           1 :                                 case -2:
    1055             :                                 case -3:
    1056           1 :                                         throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: transaction conflict detected", base, F);
    1057             :                                 default:
    1058             :                                         break;
    1059             :                         }
    1060             :                 } else {
    1061          51 :                         sql->session->status = 0; /* if the function was not found clean the error */
    1062          51 :                         sql->errstr[0] = '\0';
    1063             :                 }
    1064             :         }
    1065      114389 :         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)) {
    1066           0 :                 case -1:
    1067           0 :                         throw(SQL,"sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1068           1 :                 case -2:
    1069             :                 case -3:
    1070           1 :                         throw(SQL,"sql.create_func", SQLSTATE(42000) "%s %s: transaction conflict detected", base, F);
    1071             :                 default:
    1072      114388 :                         break;
    1073             :         }
    1074      114388 :         switch (nf->lang) {
    1075      106646 :         case FUNC_LANG_MAL:
    1076      106646 :                 assert(nf->imp);
    1077      106646 :                 nf->instantiated = TRUE; /* MAL functions get instantiated while being created */
    1078             :                 /* fall through */
    1079      114174 :         case FUNC_LANG_SQL: {
    1080      114174 :                 char *buf;
    1081      114174 :                 sql_rel *r = NULL;
    1082      114174 :                 sql_allocator *sa = sql->sa;
    1083             : 
    1084      114174 :                 assert(nf->query);
    1085      114174 :                 if (!(sql->sa = sa_create(sql->pa))) {
    1086           0 :                         sql->sa = sa;
    1087           0 :                         throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1088             :                 }
    1089      114174 :                 if (!(buf = sa_strdup(sql->sa, nf->query))) {
    1090           0 :                         sa_destroy(sql->sa);
    1091           0 :                         sql->sa = sa;
    1092           0 :                         throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1093             :                 }
    1094      114174 :                 r = rel_parse(sql, s, buf, m_deps);
    1095      114174 :                 if (r)
    1096      114174 :                         r = sql_processrelation(sql, r, 0, 0, 0, 0);
    1097      114174 :                 if (r) {
    1098      114174 :                         node *n;
    1099      114174 :                         list *blist = rel_dependencies(sql, r);
    1100             : 
    1101      114174 :                         if (!f->vararg && f->ops) {
    1102      292684 :                                 for (n = f->ops->h; n; n = n->next) {
    1103      178510 :                                         sql_arg *a = n->data;
    1104             : 
    1105      178510 :                                         if (a->type.type->s && mvc_create_dependency(sql, &a->type.type->base, nf->base.id, TYPE_DEPENDENCY)) {
    1106           0 :                                                 sa_destroy(sql->sa);
    1107           0 :                                                 sql->sa = sa;
    1108           0 :                                                 throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1109             :                                         }
    1110             :                                 }
    1111             :                         }
    1112      114174 :                         if (!f->varres && f->res) {
    1113      245073 :                                 for (n = f->res->h; n; n = n->next) {
    1114      148849 :                                         sql_arg *a = n->data;
    1115             : 
    1116      148849 :                                         if (a->type.type->s && mvc_create_dependency(sql, &a->type.type->base, nf->base.id, TYPE_DEPENDENCY)) {
    1117           0 :                                                 sa_destroy(sql->sa);
    1118           0 :                                                 sql->sa = sa;
    1119           0 :                                                 throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1120             :                                         }
    1121             :                                 }
    1122             :                         }
    1123      128743 :                         if (mvc_create_dependencies(sql, blist, nf->base.id, !IS_PROC(f) ? FUNC_DEPENDENCY : PROC_DEPENDENCY)) {
    1124           0 :                                 sa_destroy(sql->sa);
    1125           0 :                                 sql->sa = sa;
    1126           0 :                                 throw(SQL, "sql.create_func", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1127             :                         }
    1128             :                 }
    1129      114174 :                 sa_destroy(sql->sa);
    1130      114174 :                 sql->sa = sa;
    1131      114174 :                 if (!r) {
    1132           0 :                         if (strlen(sql->errstr) > 6 && sql->errstr[5] == '!')
    1133           0 :                                 throw(SQL, "sql.create_func", "%s", sql->errstr);
    1134             :                         else
    1135           0 :                                 throw(SQL, "sql.create_func", SQLSTATE(42000) "%s", sql->errstr);
    1136             :                 }
    1137             :         }
    1138             :         default:
    1139             :                 break;
    1140             :         }
    1141             :         return MAL_SUCCEED;
    1142             : }
    1143             : 
    1144             : str
    1145        1342 : alter_table(Client cntxt, mvc *sql, char *sname, sql_table *t)
    1146             : {
    1147        1342 :         sql_schema *s = NULL;
    1148        1342 :         sql_table *nt = NULL;
    1149        1342 :         node *n;
    1150             : 
    1151        1342 :         if (!(s = mvc_bind_schema(sql, sname)))
    1152           0 :                 throw(SQL,"sql.alter_table", SQLSTATE(3F000) "ALTER TABLE: no such schema '%s'", sname);
    1153        1342 :         if (!mvc_schema_privs(sql, s) && !(isTempSchema(s) && t->persistence == SQL_LOCAL_TEMP))
    1154           0 :                 throw(SQL,"sql.alter_table", SQLSTATE(42000) "ALTER TABLE: insufficient privileges for user '%s' in schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
    1155        1342 :         if (!(nt = mvc_bind_table(sql, s, t->base.name)))
    1156           0 :                 throw(SQL,"sql.alter_table", SQLSTATE(42S02) "ALTER TABLE: no such table '%s'", t->base.name);
    1157             : 
    1158        1342 :         sql_table *gt = NULL;
    1159        1342 :         if (nt && isTempTable(nt)) {
    1160          34 :                 gt = (sql_table*)os_find_id(s->tables, sql->session->tr, nt->base.id);
    1161          34 :                 if (gt)
    1162        1342 :                         nt = gt;
    1163             :         }
    1164             : 
    1165             :         /* First check if all the changes are allowed */
    1166        1342 :         if (t->idxs) {
    1167             :                 /* only one pkey */
    1168        1342 :                 if (nt->pkey) {
    1169        1414 :                         for (n = ol_first_node(t->idxs); n; n = n->next) {
    1170         696 :                                 sql_idx *i = n->data;
    1171         696 :                                 if (!i->base.new || i->base.deleted)
    1172           0 :                                         continue;
    1173         696 :                                 if (i->key && i->key->type == pkey)
    1174           3 :                                         throw(SQL,"sql.alter_table", SQLSTATE(40000) "CONSTRAINT PRIMARY KEY: a table can have only one PRIMARY KEY\n");
    1175             :                         }
    1176             :                 }
    1177             :         }
    1178             : 
    1179       21014 :         for (n = ol_first_node(t->columns); n; n = n->next) {
    1180             :                 /* null or default value changes */
    1181       19796 :                 sql_column *c = n->data;
    1182             : 
    1183       19796 :                 if (c->base.new)
    1184             :                         break;
    1185             : 
    1186       19690 :                 sql_column *nc = mvc_bind_column(sql, nt, c->base.name);
    1187       19690 :                 if (c->base.deleted) {
    1188          68 :                         switch (mvc_drop_column(sql, nt, nc, c->drop_action)) {
    1189           0 :                                 case -1:
    1190           0 :                                         throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1191           1 :                                 case -2:
    1192             :                                 case -3:
    1193           1 :                                         throw(SQL,"sql.alter_table",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    1194             :                                 default:
    1195          67 :                                         break;
    1196             :                         }
    1197          67 :                         continue;
    1198             :                 }
    1199       19622 :                 if (c->null != nc->null && isTable(nt)) {
    1200          99 :                         if (c->null && nt->pkey) { /* check for primary keys based on this column */
    1201           2 :                                 node *m;
    1202           4 :                                 for (m = nt->pkey->k.columns->h; m; m = m->next) {
    1203           4 :                                         sql_kc *kc = m->data;
    1204             : 
    1205           4 :                                         if (kc->c->base.id == c->base.id)
    1206           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);
    1207             :                                 }
    1208             :                         }
    1209          97 :                         switch (mvc_null(sql, nc, c->null)) {
    1210           0 :                                 case -1:
    1211           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1212           1 :                                 case -2:
    1213             :                                 case -3:
    1214           1 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "NOT NULL CONSTRAINT: transaction conflict detected");
    1215             :                                 default:
    1216          96 :                                         break;
    1217             :                         }
    1218             :                         /* for non empty check for nulls */
    1219          96 :                         sqlstore *store = sql->session->tr->store;
    1220          96 :                         if (c->null == 0) {
    1221          94 :                                 const void *nilptr = ATOMnilptr(c->type.type->localtype);
    1222          94 :                                 rids *nils = store->table_api.rids_select(sql->session->tr, nc, nilptr, NULL, NULL);
    1223          94 :                                 if (!nils)
    1224           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1225          94 :                                 int has_nils = !is_oid_nil(store->table_api.rids_next(nils));
    1226             : 
    1227          94 :                                 store->table_api.rids_destroy(nils);
    1228          94 :                                 if (has_nils)
    1229          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);
    1230             :                         }
    1231             :                 }
    1232       19608 :                 if ((c->def || nc->def) && (!c->def || !nc->def || strcmp(c->def, nc->def) != 0)) {
    1233          19 :                         switch (mvc_default(sql, nc, c->def)) {
    1234           0 :                                 case -1:
    1235           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1236           0 :                                 case -2:
    1237             :                                 case -3:
    1238           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "DEFAULT: transaction conflict detected");
    1239             :                                 default:
    1240             :                                         break;
    1241             :                         }
    1242             :                 }
    1243             : 
    1244       19608 :                 if ((c->storage_type || nc->storage_type) && (!c->storage_type || !nc->storage_type || strcmp(c->storage_type, nc->storage_type) != 0)) {
    1245           0 :                         if (c->t->access == TABLE_WRITABLE)
    1246           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);
    1247           0 :                         switch (mvc_storage(sql, nc, c->storage_type)) {
    1248           0 :                                 case -1:
    1249           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1250           0 :                                 case -2:
    1251             :                                 case -3:
    1252           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(42000) "ALTER TABLE: SET STORAGE transaction conflict detected");
    1253             :                                 default:
    1254             :                                         break;
    1255             :                         }
    1256             :                 }
    1257             :         }
    1258             :         /* handle new columns */
    1259        1428 :         for (; n; n = n->next) {
    1260             :                 /* propagate alter table .. add column */
    1261         106 :                 sql_column *c = n->data;
    1262             : 
    1263         106 :                 if (c->base.deleted) /* skip */
    1264           0 :                         continue;
    1265         106 :                 switch (mvc_copy_column(sql, nt, c, NULL)) {
    1266           0 :                         case -1:
    1267           0 :                                 throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1268           2 :                         case -2:
    1269             :                         case -3:
    1270           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);
    1271             :                         default:
    1272             :                                 break;
    1273             :                 }
    1274             :         }
    1275        1322 :         if (t->idxs) {
    1276             :                 /* alter drop index */
    1277        1322 :                 if (t->idxs)
    1278        2421 :                         for (n = ol_first_node(t->idxs); n; n = n->next) {
    1279        1099 :                                 sql_idx *i = n->data;
    1280        1099 :                                 if (i->base.new || !i->base.deleted)
    1281        1099 :                                         continue;
    1282           0 :                                 sql_idx *ni = mvc_bind_idx(sql, s, i->base.name);
    1283           0 :                                 if (ni == NULL)
    1284           0 :                                         throw(SQL, "sql.alter_table", "Couldn't bind index %s", i->base.name);
    1285           0 :                                 switch (mvc_drop_idx(sql, s, ni)) {
    1286           0 :                                         case -1:
    1287           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1288           0 :                                         case -2:
    1289             :                                         case -3:
    1290           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    1291             :                                         default:
    1292             :                                                 break;
    1293             :                                 }
    1294             :                         }
    1295             :                 /* alter add index */
    1296        2404 :                 for (n = ol_first_node(t->idxs); n; n = n->next) {
    1297        1099 :                         sql_idx *i = n->data;
    1298        1099 :                         BAT *b = NULL, *nb = NULL;
    1299             : 
    1300        1099 :                         if (!i->base.new || i->base.deleted)
    1301           0 :                                 continue;
    1302             : 
    1303        1099 :                         if (i->type == ordered_idx) {
    1304          75 :                                 sql_kc *ic = i->columns->h->data;
    1305          75 :                                 if (!(b = mvc_bind(sql, nt->s->base.name, nt->base.name, ic->c->base.name, RDONLY)))
    1306           0 :                                         throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access ordered index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1307          75 :                                 if (VIEWtparent(b) && (nb = BBP_desc(VIEWtparent(b)))) {
    1308          75 :                                         BBPunfix(b->batCacheid);
    1309          75 :                                         if (!(b = BATdescriptor(nb->batCacheid)))
    1310           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access ordered index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1311             :                                 }
    1312          75 :                                 char *msg = OIDXcreateImplementation(cntxt, newBatType(b->ttype), b, -1);
    1313          75 :                                 BBPunfix(b->batCacheid);
    1314          75 :                                 if (msg != MAL_SUCCEED) {
    1315           0 :                                         char *smsg = createException(SQL,"sql.alter_table", SQLSTATE(40002) "CREATE ORDERED INDEX: %s", msg);
    1316           0 :                                         freeException(msg);
    1317           0 :                                         return smsg;
    1318             :                                 }
    1319        1024 :                         } else if (i->type == imprints_idx) {
    1320          69 :                                 gdk_return r;
    1321          69 :                                 sql_kc *ic = i->columns->h->data;
    1322          69 :                                 if (!(b = mvc_bind(sql, nt->s->base.name, nt->base.name, ic->c->base.name, RDONLY)))
    1323           0 :                                         throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access imprints index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1324          69 :                                 if (VIEWtparent(b) && (nb = BBP_desc(VIEWtparent(b)))) {
    1325          69 :                                         BBPunfix(b->batCacheid);
    1326          69 :                                         if (!(b = BATdescriptor(nb->batCacheid)))
    1327           0 :                                                 throw(SQL,"sql.alter_table",SQLSTATE(HY005) "Cannot access imprints index %s_%s_%s", s->base.name, t->base.name, i->base.name);
    1328             :                                 }
    1329          69 :                                 if(b->ttype == TYPE_str) {
    1330          11 :                                         if (t->access != TABLE_READONLY) {
    1331           5 :                                                 BBPunfix(b->batCacheid);
    1332           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);
    1333             :                                         }
    1334             : 
    1335             :                                         /* We signal that we want a strimp on b. It will be created the next time it is needed, i.e. by
    1336             :                                          * PCRElikeselect.
    1337             :                                          */
    1338           6 :                                         r = BATsetstrimps(b);
    1339             :                                 }
    1340             :                                 else {
    1341          58 :                                         r = BATimprints(b);
    1342             :                                 }
    1343             : 
    1344          64 :                                 BBPunfix(b->batCacheid);
    1345          64 :                                 if (r != GDK_SUCCEED)
    1346           9 :                                         throw(SQL, "sql.alter_table", GDK_EXCEPTION);
    1347             :                         }
    1348        1085 :                         switch (mvc_copy_idx(sql, nt, i, NULL)) {
    1349           0 :                                 case -1:
    1350           0 :                                         throw(SQL,"sql.alter_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1351           3 :                                 case -2:
    1352             :                                 case -3:
    1353           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);
    1354             :                                 default:
    1355             :                                         break;
    1356             :                         }
    1357             :                 }
    1358             :         }
    1359        1305 :         if (t->keys) {
    1360             :                 /* alter drop key */
    1361        2073 :                 for (n = ol_first_node(t->keys); n; n = n->next) {
    1362         768 :                         sql_key *k = n->data;
    1363             : 
    1364         768 :                         if ((!k->base.new && !k->base.deleted) || (k->base.new && k->base.deleted))
    1365           0 :                                 continue;
    1366         768 :                         if (k->base.deleted) {
    1367           0 :                                 sql_key *nk = mvc_bind_key(sql, s, k->base.name);
    1368           0 :                                 if (nk) {
    1369           0 :                                         switch (mvc_drop_key(sql, s, nk, k->drop_action)) {
    1370           0 :                                                 case -1:
    1371           0 :                                                         throw(SQL,"sql.alter_table",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1372           0 :                                                 case -2:
    1373             :                                                 case -3:
    1374           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);
    1375             :                                                 default:
    1376             :                                                         break;
    1377             :                                         }
    1378             :                                 }
    1379             :                         } else { /* new */
    1380         768 :                                 str err;
    1381         768 :                                 if ((err = sql_partition_validate_key(sql, t, k, "ALTER")))
    1382           0 :                                         return err;
    1383         768 :                                 switch (mvc_copy_key(sql, nt, k, NULL)) {
    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             :                 }
    1394             :         }
    1395             :         return MAL_SUCCEED;
    1396             : }
    1397             : 
    1398             : /* the MAL wrappers */
    1399             : str
    1400         308 : SQLcreate_seq(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1401         308 : {       mvc *sql = NULL;
    1402         308 :         str msg;
    1403         308 :         str sname = *getArgReference_str(stk, pci, 1);
    1404         308 :         str seqname = *getArgReference_str(stk, pci, 2);
    1405         308 :         sql_sequence *s = *(sql_sequence **) getArgReference(stk, pci, 3);
    1406             : 
    1407         308 :         initcontext();
    1408         308 :         msg = create_seq(sql, sname, seqname, s);
    1409         308 :         return msg;
    1410             : }
    1411             : 
    1412             : str
    1413          43 : SQLalter_seq(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1414          43 : {       mvc *sql = NULL;
    1415          43 :         str msg = MAL_SUCCEED;
    1416          43 :         str sname = *getArgReference_str(stk, pci, 1);
    1417          43 :         str seqname = *getArgReference_str(stk, pci, 2);
    1418          43 :         sql_sequence *s = *(sql_sequence **) getArgReference(stk, pci, 3);
    1419          43 :         lng *val = NULL;
    1420          43 :         BAT *b = NULL;
    1421          43 :         BATiter bi = {0};
    1422             : 
    1423          43 :         initcontext();
    1424          43 :         if (getArgType(mb, pci, 4) == TYPE_lng)
    1425          43 :                 val = getArgReference_lng(stk, pci, 4);
    1426           0 :         else if (isaBatType(getArgType(mb, pci, 4))) {
    1427           0 :                 bat *bid = getArgReference_bat(stk, pci, 4);
    1428             : 
    1429           0 :                 if (!(b = BATdescriptor(*bid)))
    1430           0 :                         throw(SQL, "sql.alter_seq", SQLSTATE(HY005) "Cannot access column descriptor");
    1431           0 :                 if (BATcount(b) != 1) {
    1432           0 :                         BBPunfix(b->batCacheid);
    1433           0 :                         throw(SQL, "sql.alter_seq", SQLSTATE(42000) "Only one value allowed to alter a sequence value");
    1434             :                 }
    1435           0 :                 bi = bat_iterator(b);
    1436           0 :                 if (getBatType(getArgType(mb, pci, 4)) == TYPE_lng) {
    1437           0 :                         val = (lng*)bi.base;
    1438             :                 }
    1439             :         }
    1440             : 
    1441          43 :         if (val == NULL || is_lng_nil(*val))
    1442           1 :                 msg = createException(SQL,"sql.alter_seq", SQLSTATE(42M36) "ALTER SEQUENCE: cannot (re)start with NULL");
    1443             :         else
    1444          42 :                 msg = alter_seq(sql, sname, seqname, s, val);
    1445             : 
    1446          43 :         if (b) {
    1447           0 :                 bat_iterator_end(&bi);
    1448           0 :                 BBPunfix(b->batCacheid);
    1449             :         }
    1450             :         return msg;
    1451             : }
    1452             : 
    1453             : str
    1454          32 : SQLdrop_seq(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1455          32 : {       mvc *sql = NULL;
    1456          32 :         str msg = MAL_SUCCEED;
    1457          32 :         str sname = *getArgReference_str(stk, pci, 1);
    1458          32 :         str name = *getArgReference_str(stk, pci, 2);
    1459             : 
    1460          32 :         initcontext();
    1461          32 :         msg = drop_seq(sql, sname, name);
    1462          32 :         return msg;
    1463             : }
    1464             : 
    1465             : str
    1466        1075 : SQLcreate_schema(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1467        1075 : {       mvc *sql = NULL;
    1468        1075 :         str msg = MAL_SUCCEED;
    1469        1075 :         str sname = *getArgReference_str(stk, pci, 1);
    1470        1075 :         str name = SaveArgReference(stk, pci, 2);
    1471        1075 :         sqlid auth_id;
    1472             : 
    1473        1075 :         initcontext();
    1474        1075 :         auth_id = sql->role_id;
    1475        1110 :         if (!strNil(name) && (auth_id = sql_find_auth(sql, name)) < 0)
    1476           0 :                 throw(SQL,"sql.create_schema", SQLSTATE(42M32) "CREATE SCHEMA: no such authorization '%s'", name);
    1477        1075 :         if (sql->user_id != USER_MONETDB && sql->role_id != ROLE_SYSADMIN)
    1478           0 :                 throw(SQL,"sql.create_schema", SQLSTATE(42000) "CREATE SCHEMA: insufficient privileges for user '%s'", get_string_global_var(sql, "current_user"));
    1479        1075 :         if (mvc_bind_schema(sql, sname))
    1480           0 :                 throw(SQL,"sql.create_schema", SQLSTATE(3F000) "CREATE SCHEMA: name '%s' already in use", sname);
    1481        1075 :         switch (mvc_create_schema(sql, sname, auth_id, sql->user_id)) {
    1482           0 :                 case -1:
    1483           0 :                         throw(SQL,"sql.create_schema",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1484           1 :                 case -2:
    1485             :                 case -3:
    1486           1 :                         throw(SQL,"sql.create_schema",SQLSTATE(42000) "CREATE SCHEMA: transaction conflict detected");
    1487             :                 default:
    1488             :                         break;
    1489             :         }
    1490             :         return msg;
    1491             : }
    1492             : 
    1493             : str
    1494         184 : SQLdrop_schema(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1495             : {
    1496         184 :         mvc *sql = NULL;
    1497         184 :         str msg = MAL_SUCCEED;
    1498         184 :         str sname = *getArgReference_str(stk, pci, 1);
    1499         184 :         int if_exists = *getArgReference_int(stk, pci, 2);
    1500         184 :         int action = *getArgReference_int(stk, pci, 3);
    1501         184 :         sql_schema *s;
    1502             : 
    1503         184 :         initcontext();
    1504         184 :         s = mvc_bind_schema(sql, sname);
    1505         184 :         if (!s) {
    1506          11 :                 if (!if_exists)
    1507           7 :                         throw(SQL,"sql.drop_schema",SQLSTATE(3F000) "DROP SCHEMA: name %s does not exist", sname);
    1508             :                 return MAL_SUCCEED;
    1509             :         }
    1510         173 :         sql_trans *tr = sql->session->tr;
    1511         173 :         sql_schema *cur = cur_schema(sql);
    1512             : 
    1513         173 :         if (!mvc_schema_privs(sql, s))
    1514           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);
    1515         173 :         if (cur && s->base.id == cur->base.id)
    1516           1 :                 throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: cannot drop current schema");
    1517         172 :         if (s->system)
    1518           8 :                 throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: access denied for '%s'", sname);
    1519         164 :         if (sql_schema_has_user(sql, s))
    1520           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);
    1521         235 :         if (!action /* RESTRICT */ && (
    1522         155 :                 os_size(s->tables, tr) || os_size(s->types, tr) || os_size(s->funcs, tr) || os_size(s->seqs, tr)))
    1523           3 :                 throw(SQL,"sql.drop_schema",SQLSTATE(2BM37) "DROP SCHEMA: unable to drop schema '%s' (there are database objects which depend on it)", sname);
    1524             : 
    1525         153 :         switch (mvc_drop_schema(sql, s, action)) {
    1526           0 :                 case -1:
    1527           0 :                         throw(SQL,"sql.drop_schema",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1528           0 :                 case -2:
    1529             :                 case -3:
    1530           0 :                         throw(SQL,"sql.drop_schema",SQLSTATE(42000) "DROP SCHEMA: transaction conflict detected");
    1531             :                 default:
    1532             :                         break;
    1533             :         }
    1534             :         return MAL_SUCCEED;
    1535             : }
    1536             : 
    1537             : str
    1538        9606 : SQLcreate_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1539        9606 : {       mvc *sql = NULL;
    1540        9606 :         str msg;
    1541        9606 :         str sname = *getArgReference_str(stk, pci, 1);
    1542             :         //str tname = *getArgReference_str(stk, pci, 2);
    1543        9606 :         sql_table *t = *(sql_table **) getArgReference(stk, pci, 3);
    1544        9606 :         int temp = *getArgReference_int(stk, pci, 4), remote = (pci->argc == 7);
    1545        9606 :         int pw_encrypted = temp;
    1546             : 
    1547        9606 :         initcontext();
    1548        9598 :         if (remote)
    1549          94 :                 temp = 0;
    1550        9598 :         msg = create_table_or_view(sql, sname, t->base.name, t, temp, 0);
    1551        9598 :         if (!msg && remote) {
    1552          94 :                 str username = *getArgReference_str(stk, pci, 5);
    1553          94 :                 str password = *getArgReference_str(stk, pci, 6);
    1554             : 
    1555          94 :                 sql_schema *s = mvc_bind_schema(sql, sname);
    1556          94 :                 t = s?mvc_bind_table(sql, s, t->base.name):NULL;
    1557          94 :                 if (t)
    1558          94 :                         return remote_create(sql, t->base.id, username, password, pw_encrypted);
    1559           0 :                 throw(SQL, "sql.create_table", SQLSTATE(3F000) "Internal error");
    1560             :         }
    1561             :         return msg;
    1562             : }
    1563             : 
    1564             : str
    1565       22182 : SQLcreate_view(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1566       22182 : {       mvc *sql = NULL;
    1567       22182 :         str msg;
    1568       22182 :         str sname = *getArgReference_str(stk, pci, 1);
    1569             :         //str vname = *getArgReference_str(stk, pci, 2);
    1570       22182 :         sql_table *t = *(sql_table **) getArgReference(stk, pci, 3);
    1571       22182 :         int temp = *getArgReference_int(stk, pci, 4);
    1572       22182 :         int replace = *getArgReference_int(stk, pci, 5);
    1573             : 
    1574       22182 :         initcontext();
    1575       22181 :         msg = create_table_or_view(sql, sname, t->base.name, t, temp, replace);
    1576       22181 :         return msg;
    1577             : }
    1578             : 
    1579             : str
    1580        3542 : SQLdrop_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1581        3542 : {       mvc *sql = NULL;
    1582        3542 :         str msg;
    1583        3542 :         str sname = *getArgReference_str(stk, pci, 1);
    1584        3542 :         str name = *getArgReference_str(stk, pci, 2);
    1585        3542 :         int if_exists = *getArgReference_int(stk, pci, 3);
    1586        3542 :         int action = *getArgReference_int(stk, pci, 4);
    1587             : 
    1588        3542 :         initcontext();
    1589        3542 :         msg = drop_table(sql, sname, name, action, if_exists);
    1590        3542 :         return msg;
    1591             : }
    1592             : 
    1593             : str
    1594         237 : SQLdrop_view(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1595         237 : {       mvc *sql = NULL;
    1596         237 :         str msg;
    1597         237 :         str sname = *getArgReference_str(stk, pci, 1);
    1598         237 :         str name = *getArgReference_str(stk, pci, 2);
    1599         237 :         int if_exists = *getArgReference_int(stk, pci, 3);
    1600         237 :         int action = *getArgReference_int(stk, pci, 4);
    1601             : 
    1602         237 :         initcontext();
    1603         237 :         msg = drop_view(sql, sname, name, action, if_exists);
    1604         237 :         return msg;
    1605             : }
    1606             : 
    1607             : str
    1608         146 : SQLdrop_constraint(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1609         146 : {       mvc *sql = NULL;
    1610         146 :         str msg;
    1611         146 :         str sname = *getArgReference_str(stk, pci, 1);
    1612         146 :         str tname = *getArgReference_str(stk, pci, 2);
    1613         146 :         str kname = *getArgReference_str(stk, pci, 3);
    1614         146 :         int action = *getArgReference_int(stk, pci, 5);
    1615         146 :         (void) *getArgReference_int(stk, pci, 4); //the if_exists parameter is also passed but not used
    1616             : 
    1617         146 :         initcontext();
    1618         146 :         msg = drop_key(sql, sname, tname, kname, action);
    1619         146 :         return msg;
    1620             : }
    1621             : 
    1622             : str
    1623        1342 : SQLalter_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1624        1342 : {       mvc *sql = NULL;
    1625        1342 :         str msg;
    1626        1342 :         str sname = *getArgReference_str(stk, pci, 1);
    1627        1342 :         str tname = *getArgReference_str(stk, pci, 2);
    1628        1342 :         sql_table *t = *(sql_table **) getArgReference(stk, pci, 3);
    1629             : 
    1630        1342 :         (void)tname;
    1631        1342 :         initcontext();
    1632        1342 :         msg = alter_table(cntxt, sql, sname, t);
    1633        1342 :         return msg;
    1634             : }
    1635             : 
    1636             : str
    1637         898 : SQLcreate_type(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1638         898 : {       mvc *sql = NULL;
    1639         898 :         str msg;
    1640         898 :         str sname = *getArgReference_str(stk, pci, 1);
    1641         898 :         char *name = *getArgReference_str(stk, pci, 2);
    1642         898 :         char *impl = *getArgReference_str(stk, pci, 3);
    1643         898 :         sql_schema *s = NULL;
    1644             : 
    1645         898 :         initcontext();
    1646             : 
    1647         898 :         if (!(s = mvc_bind_schema(sql, sname)))
    1648           0 :                 throw(SQL,"sql.create_type",SQLSTATE(3F000) "CREATE TYPE: no such schema '%s'", sname);
    1649         898 :         if (!mvc_schema_privs(sql, s))
    1650           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);
    1651         898 :         if (schema_bind_type(sql, s, name))
    1652           0 :                 throw(SQL,"sql.create_type", SQLSTATE(42S02) "CREATE TYPE: type '%s' already exists", name);
    1653         898 :         switch (mvc_create_type(sql, s, name, 0, 0, 0, impl)) {
    1654           0 :                 case -1:
    1655           0 :                         throw(SQL,"sql.create_type", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1656           1 :                 case -2:
    1657             :                 case -3:
    1658           1 :                         throw(SQL,"sql.create_type", SQLSTATE(42000) "CREATE TYPE: transaction conflict detected");
    1659           0 :                 case -4:
    1660           0 :                         throw(SQL,"sql.create_type", SQLSTATE(0D000) "CREATE TYPE: unknown external type '%s'", impl);
    1661             :                 default:
    1662             :                         break;
    1663             :         }
    1664             :         return msg;
    1665             : }
    1666             : 
    1667             : str
    1668           4 : SQLdrop_type(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1669           4 : {       mvc *sql = NULL;
    1670           4 :         str msg;
    1671           4 :         str sname = *getArgReference_str(stk, pci, 1);
    1672           4 :         char *name = *getArgReference_str(stk, pci, 2);
    1673           4 :         int drop_action = *getArgReference_int(stk, pci, 3);
    1674           4 :         sql_schema *s = NULL;
    1675           4 :         sql_type *t;
    1676             : 
    1677           4 :         initcontext();
    1678             : 
    1679           4 :         if (!(s = mvc_bind_schema(sql, sname)))
    1680           0 :                 throw(SQL,"sql.drop_type",SQLSTATE(3F000) "DROP TYPE: no such schema '%s'", sname);
    1681           4 :         if (!mvc_schema_privs(sql, s))
    1682           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);
    1683           4 :         if (!(t = schema_bind_type(sql, s, name)))
    1684           0 :                 throw(SQL,"sql.drop_type", SQLSTATE(3F000) "DROP TYPE: type '%s' does not exist", name);
    1685           4 :         if (!drop_action && mvc_check_dependency(sql, t->base.id, TYPE_DEPENDENCY, NULL))
    1686           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);
    1687           3 :         switch (mvc_drop_type(sql, s, t, drop_action)) {
    1688           0 :                 case -1:
    1689           0 :                         throw(SQL,"sql.drop_type",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    1690           0 :                 case -2:
    1691             :                 case -3:
    1692           0 :                         throw(SQL,"sql.drop_type",SQLSTATE(42000) "DROP TYPE: transaction conflict detected");
    1693             :                 default:
    1694             :                         break;
    1695             :         }
    1696             :         return msg;
    1697             : }
    1698             : 
    1699             : str
    1700          38 : SQLgrant_roles(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1701          38 : {       mvc *sql = NULL;
    1702          38 :         str msg;
    1703          38 :         str sname = *getArgReference_str(stk, pci, 1);
    1704          38 :         char *auth = SaveArgReference(stk, pci, 2);
    1705          38 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 3);
    1706          38 :         int admin = *getArgReference_int(stk, pci, 4);
    1707             : 
    1708          38 :         initcontext();
    1709          38 :         msg = sql_grant_role(sql, sname /*grantee */ , auth, grantor, admin);
    1710          38 :         return msg;
    1711             : }
    1712             : 
    1713             : str
    1714          10 : SQLrevoke_roles(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1715          10 : {       mvc *sql = NULL;
    1716          10 :         str msg;
    1717          10 :         str sname = *getArgReference_str(stk, pci, 1);
    1718          10 :         char *auth = SaveArgReference(stk, pci, 2);
    1719          10 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 3);
    1720          10 :         int admin = *getArgReference_int(stk, pci, 4);
    1721             : 
    1722          10 :         initcontext();
    1723          10 :         msg = sql_revoke_role(sql, sname /*grantee */ , auth, grantor, admin);
    1724          10 :         return msg;
    1725             : }
    1726             : 
    1727             : str
    1728       17872 : SQLgrant(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1729       17872 : {       mvc *sql = NULL;
    1730       17872 :         str msg;
    1731       17872 :         str sname = *getArgReference_str(stk, pci, 1);
    1732       17872 :         char *tname = *getArgReference_str(stk, pci, 2);
    1733       17872 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1734       17872 :         int privs = *getArgReference_int(stk, pci, 4);
    1735       17872 :         char *cname = SaveArgReference(stk, pci, 5);
    1736       17872 :         int grant = *getArgReference_int(stk, pci, 6);
    1737       17872 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 7);
    1738             : 
    1739       17872 :         initcontext();
    1740       17872 :         if (strNil(tname))
    1741           8 :                 msg = sql_grant_global_privs(sql, grantee, privs, grant, grantor);
    1742             :         else
    1743       17864 :                 msg = sql_grant_table_privs(sql, grantee, privs, sname, tname, cname, grant, grantor);
    1744             :         return msg;
    1745             : }
    1746             : 
    1747          15 : str SQLrevoke(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1748          15 : {       mvc *sql = NULL;
    1749          15 :         str msg;
    1750          15 :         str sname = *getArgReference_str(stk, pci, 1);
    1751          15 :         char *tname = *getArgReference_str(stk, pci, 2);
    1752          15 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1753          15 :         int privs = *getArgReference_int(stk, pci, 4);
    1754          15 :         char *cname = SaveArgReference(stk, pci, 5);
    1755          15 :         int grant = *getArgReference_int(stk, pci, 6);
    1756          15 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 7);
    1757             : 
    1758          15 :         initcontext();
    1759          15 :         if (strNil(tname))
    1760           2 :                 msg = sql_revoke_global_privs(sql, grantee, privs, grant, grantor);
    1761             :         else
    1762          13 :                 msg = sql_revoke_table_privs(sql, grantee, privs, sname, tname, cname, grant, grantor);
    1763             :         return msg;
    1764             : }
    1765             : 
    1766             : str
    1767       89896 : SQLgrant_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1768       89896 : {       mvc *sql = NULL;
    1769       89896 :         str msg;
    1770       89896 :         str sname = *getArgReference_str(stk, pci, 1);
    1771       89896 :         sqlid func_id = (sqlid) *getArgReference_int(stk, pci, 2);
    1772       89896 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1773       89896 :         int privs = *getArgReference_int(stk, pci, 4);
    1774       89896 :         int grant = *getArgReference_int(stk, pci, 5);
    1775       89896 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 6);
    1776             : 
    1777       89896 :         initcontext();
    1778       89896 :         msg = sql_grant_func_privs(sql, grantee, privs, sname, func_id, grant, grantor);
    1779       89896 :         return msg;
    1780             : }
    1781             : 
    1782             : str
    1783           1 : SQLrevoke_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1784           1 : {       mvc *sql = NULL;
    1785           1 :         str msg;
    1786           1 :         str sname = *getArgReference_str(stk, pci, 1);
    1787           1 :         sqlid func_id = (sqlid) *getArgReference_int(stk, pci, 2);
    1788           1 :         char *grantee = *getArgReference_str(stk, pci, 3);
    1789           1 :         int privs = *getArgReference_int(stk, pci, 4);
    1790           1 :         int grant = *getArgReference_int(stk, pci, 5);
    1791           1 :         sqlid grantor = (sqlid) *getArgReference_int(stk, pci, 6);
    1792             : 
    1793           1 :         initcontext();
    1794           1 :         msg = sql_revoke_func_privs(sql, grantee, privs, sname, func_id, grant, grantor);
    1795           1 :         return msg;
    1796             : }
    1797             : 
    1798             : str
    1799         331 : SQLcreate_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1800         331 : {       mvc *sql = NULL;
    1801         331 :         str msg;
    1802         331 :         str sname = *getArgReference_str(stk, pci, 1);
    1803         331 :         char *passwd = *getArgReference_str(stk, pci, 2);
    1804         331 :         int enc = *getArgReference_int(stk, pci, 3);
    1805         331 :         char *schema = SaveArgReference(stk, pci, 4);
    1806         331 :         char *schema_path = SaveArgReference(stk, pci, 5);
    1807         331 :         char *fullname = SaveArgReference(stk, pci, 6);
    1808         331 :         lng max_memory = *getArgReference_lng(stk, pci, 7);
    1809         331 :         int max_workers = *getArgReference_int(stk, pci, 8);
    1810         331 :         char *optimizer = SaveArgReference(stk, pci, 9);
    1811         331 :         char *default_role = SaveArgReference(stk, pci, 10);
    1812             : 
    1813         331 :         initcontext();
    1814         331 :         msg = sql_create_user(sql, sname, passwd, enc, fullname, schema, schema_path, max_memory, max_workers, optimizer, default_role);
    1815         331 :         return msg;
    1816             : }
    1817             : 
    1818             : str
    1819         104 : SQLdrop_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1820         104 : {       mvc *sql = NULL;
    1821         104 :         str msg;
    1822         104 :         str sname = *getArgReference_str(stk, pci, 1);
    1823             : 
    1824         104 :         initcontext();
    1825         104 :          msg = sql_drop_user(sql, sname);
    1826         104 :         return msg;
    1827             : }
    1828             : 
    1829             : str
    1830          76 : SQLalter_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1831          76 : {       mvc *sql = NULL;
    1832          76 :         str msg;
    1833          76 :         str sname = *getArgReference_str(stk, pci, 1);
    1834          76 :         char *passwd = SaveArgReference(stk, pci, 2);
    1835          76 :         int enc = *getArgReference_int(stk, pci, 3);
    1836          76 :         char *schema = SaveArgReference(stk, pci, 4);
    1837          76 :         char *schema_path = SaveArgReference(stk, pci, 5);
    1838          76 :         char *oldpasswd = SaveArgReference(stk, pci, 6);
    1839          76 :         char *role = SaveArgReference(stk, pci, 7);
    1840          76 :         lng max_memory = *getArgReference_lng(stk, pci, 8);
    1841          76 :         int max_workers = *getArgReference_int(stk, pci, 9);
    1842             : 
    1843          76 :         initcontext();
    1844          76 :         msg = sql_alter_user(sql, sname, passwd, enc, schema, schema_path, oldpasswd, role, max_memory, max_workers);
    1845             : 
    1846          76 :         return msg;
    1847             : }
    1848             : 
    1849             : str
    1850           5 : SQLrename_user(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1851           5 : {       mvc *sql = NULL;
    1852           5 :         str msg;
    1853           5 :         str sname = *getArgReference_str(stk, pci, 1);
    1854           5 :         char *newuser = *getArgReference_str(stk, pci, 2);
    1855             : 
    1856           5 :         initcontext();
    1857           5 :         msg = sql_rename_user(sql, sname, newuser);
    1858           5 :         return msg;
    1859             : }
    1860             : 
    1861             : str
    1862          25 : SQLcreate_role(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1863          25 : {       mvc *sql = NULL;
    1864          25 :         str msg;
    1865          25 :         str sname = *getArgReference_str(stk, pci, 1);
    1866          25 :         char *role = sname;
    1867          25 :         sqlid grantor = (sqlid)*getArgReference_int(stk, pci, 3);
    1868             : 
    1869          25 :         initcontext();
    1870          25 :         msg = sql_create_role(sql, role, grantor);
    1871          25 :         return msg;
    1872             : }
    1873             : 
    1874             : str
    1875          19 : SQLdrop_role(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1876          19 : {       mvc *sql = NULL;
    1877          19 :         str msg;
    1878          19 :         str sname = *getArgReference_str(stk, pci, 1);
    1879          19 :         char *role = sname;
    1880             : 
    1881          19 :         initcontext();
    1882          19 :         msg = sql_drop_role(sql, role);
    1883          19 :         return msg;
    1884             : }
    1885             : 
    1886             : str
    1887         161 : SQLdrop_index(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1888         161 : {       mvc *sql = NULL;
    1889         161 :         str msg;
    1890         161 :         str sname = *getArgReference_str(stk, pci, 1);
    1891         161 :         char *iname = *getArgReference_str(stk, pci, 2);
    1892             : 
    1893         161 :         initcontext();
    1894         161 :         msg = drop_index(sql, sname, iname);
    1895         161 :         return msg;
    1896             : }
    1897             : 
    1898             : str
    1899         654 : SQLdrop_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1900         654 : {       mvc *sql = NULL;
    1901         654 :         str msg;
    1902         654 :         str sname = *getArgReference_str(stk, pci, 1);
    1903         654 :         char *fname = *getArgReference_str(stk, pci, 2);
    1904         654 :         sqlid fid = (sqlid)*getArgReference_int(stk, pci, 3);
    1905         654 :         sql_ftype type = (sql_ftype) *getArgReference_int(stk, pci, 4);
    1906         654 :         int action = *getArgReference_int(stk, pci, 5);
    1907             : 
    1908         654 :         initcontext();
    1909         654 :         msg = drop_func(sql, sname, fname, fid, type, action);
    1910         654 :         return msg;
    1911             : }
    1912             : 
    1913             : str
    1914      114393 : SQLcreate_function(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1915      114393 : {       mvc *sql = NULL;
    1916      114393 :         str msg;
    1917      114393 :         str sname = *getArgReference_str(stk, pci, 1);
    1918      114393 :         str fname = *getArgReference_str(stk, pci, 2);
    1919      114393 :         sql_func *f = *(sql_func **) getArgReference(stk, pci, 3);
    1920      114393 :         int replace = *getArgReference_int(stk, pci, 4);
    1921             : 
    1922      114393 :         initcontext();
    1923      114393 :         msg = create_func(sql, sname, fname, f, replace);
    1924      114393 :         return msg;
    1925             : }
    1926             : 
    1927             : str
    1928         336 : SQLcreate_trigger(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1929         336 : {       mvc *sql = NULL;
    1930         336 :         str msg;
    1931         336 :         str sname = *getArgReference_str(stk, pci, 1);
    1932         336 :         char *tname = *getArgReference_str(stk, pci, 2);
    1933         336 :         char *triggername = *getArgReference_str(stk, pci, 3);
    1934         336 :         int time = *getArgReference_int(stk, pci, 4);
    1935         336 :         int orientation = *getArgReference_int(stk, pci, 5);
    1936         336 :         int event = *getArgReference_int(stk, pci, 6);
    1937         336 :         char *old_name = *getArgReference_str(stk, pci, 7);
    1938         336 :         char *new_name = *getArgReference_str(stk, pci, 8);
    1939         336 :         char *condition = *getArgReference_str(stk, pci, 9);
    1940         336 :         char *query = *getArgReference_str(stk, pci, 10);
    1941         336 :         int replace = *getArgReference_int(stk, pci, 11);
    1942             : 
    1943         336 :         initcontext();
    1944         365 :         old_name=(strNil(old_name))?NULL:old_name;
    1945         374 :         new_name=(strNil(new_name))?NULL:new_name;
    1946         336 :         condition=(strNil(condition))?NULL:condition;
    1947         336 :         msg = create_trigger(sql, sname, tname, triggername, time, orientation, event, old_name, new_name, condition, query, replace);
    1948         336 :         return msg;
    1949             : }
    1950             : 
    1951             : str
    1952          81 : SQLdrop_trigger(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1953          81 : {       mvc *sql = NULL;
    1954          81 :         str msg;
    1955          81 :         str sname = *getArgReference_str(stk, pci, 1);
    1956          81 :         char *triggername = *getArgReference_str(stk, pci, 2);
    1957          81 :         int if_exists = *getArgReference_int(stk, pci, 3);
    1958             : 
    1959          81 :         initcontext();
    1960          81 :         msg = drop_trigger(sql, sname, triggername, if_exists);
    1961          81 :         return msg;
    1962             : }
    1963             : 
    1964             : str
    1965         290 : SQLalter_add_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1966         290 : {       mvc *sql = NULL;
    1967         290 :         str msg;
    1968         290 :         str sname = *getArgReference_str(stk, pci, 1);
    1969         290 :         char *mtname = SaveArgReference(stk, pci, 2);
    1970         290 :         char *psname = SaveArgReference(stk, pci, 3);
    1971         290 :         char *ptname = SaveArgReference(stk, pci, 4);
    1972             : 
    1973         290 :         initcontext();
    1974         290 :         msg = alter_table_add_table(sql, sname, mtname, psname, ptname);
    1975         290 :         return msg;
    1976             : }
    1977             : 
    1978             : str
    1979         202 : SQLalter_add_range_partition(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    1980         202 : {       mvc *sql = NULL;
    1981         202 :         str msg;
    1982         202 :         str sname = *getArgReference_str(stk, pci, 1);
    1983         202 :         char *mtname = SaveArgReference(stk, pci, 2);
    1984         202 :         char *psname = SaveArgReference(stk, pci, 3);
    1985         202 :         char *ptname = SaveArgReference(stk, pci, 4);
    1986         202 :         ValRecord *min = &(stk)->stk[(pci)->argv[5]];
    1987         202 :         ValRecord *max = &(stk)->stk[(pci)->argv[6]];
    1988         202 :         bit with_nills = *getArgReference_bit(stk, pci, 7);
    1989         202 :         int update = *getArgReference_int(stk, pci, 8);
    1990         202 :         lng cnt = 0;
    1991             : 
    1992         202 :         if (getArgType(mb, pci, 9) == TYPE_lng) {
    1993         200 :                 cnt = *getArgReference_lng(stk, pci, 9);
    1994             :         } else {
    1995           2 :                 BAT *c = BATdescriptor(*getArgReference_bat(stk, pci, 9));
    1996           2 :                 if (c && BATcount(c) == 1)
    1997           2 :                         cnt = *(lng*)Tloc(c, 0);
    1998           2 :                 if (c)
    1999           2 :                         BBPunfix(c->batCacheid);
    2000             :         }
    2001             : 
    2002         202 :         initcontext();
    2003         202 :         msg = alter_table_add_range_partition(sql, sname, mtname, psname, ptname, VALget(min), VALget(max), with_nills, update, cnt);
    2004         202 :         return msg;
    2005             : }
    2006             : 
    2007             : str
    2008          53 : SQLalter_add_value_partition(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2009          53 : {       mvc *sql = NULL;
    2010          53 :         str msg;
    2011          53 :         str sname = *getArgReference_str(stk, pci, 1);
    2012          53 :         char *mtname = SaveArgReference(stk, pci, 2);
    2013          53 :         char *psname = SaveArgReference(stk, pci, 3);
    2014          53 :         char *ptname = SaveArgReference(stk, pci, 4);
    2015          53 :         bit with_nills = *getArgReference_bit(stk, pci, 5);
    2016          53 :         int update = *getArgReference_int(stk, pci, 6);
    2017          53 :         lng cnt = 0;
    2018             : 
    2019          53 :         if (getArgType(mb, pci, 7) == TYPE_lng) {
    2020          53 :                 cnt = *getArgReference_lng(stk, pci, 7);
    2021             :         } else {
    2022           0 :                 BAT *c = BATdescriptor(*getArgReference_bat(stk, pci, 7));
    2023           0 :                 if (c && BATcount(c) == 1)
    2024           0 :                         cnt = *(lng*)Tloc(c, 0);
    2025           0 :                 if (c)
    2026           0 :                         BBPunfix(c->batCacheid);
    2027             :         }
    2028             : 
    2029          53 :         initcontext();
    2030          53 :         msg = alter_table_add_value_partition(sql, stk, pci, sname, mtname, psname, ptname, with_nills, update, cnt);
    2031          53 :         return msg;
    2032             : }
    2033             : 
    2034             : str
    2035         180 : SQLalter_del_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2036         180 : {       mvc *sql = NULL;
    2037         180 :         str msg;
    2038         180 :         str sname = *getArgReference_str(stk, pci, 1);
    2039         180 :         char *mtname = SaveArgReference(stk, pci, 2);
    2040         180 :         char *psname = SaveArgReference(stk, pci, 3);
    2041         180 :         char *ptname = SaveArgReference(stk, pci, 4);
    2042         180 :         int drop_action = *getArgReference_int(stk, pci, 5);
    2043             : 
    2044         180 :         initcontext();
    2045         180 :         msg= alter_table_del_table(sql, sname, mtname, psname, ptname, drop_action);
    2046         180 :         return msg;
    2047             : }
    2048             : 
    2049             : str
    2050        2067 : SQLalter_set_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2051        2067 : {       mvc *sql = NULL;
    2052        2067 :         str msg;
    2053        2067 :         str sname = *getArgReference_str(stk, pci, 1);
    2054        2067 :         char *tname = SaveArgReference(stk, pci, 2);
    2055        2067 :         int access = *getArgReference_int(stk, pci, 3);
    2056             : 
    2057        2067 :         initcontext();
    2058        2067 :         msg = alter_table_set_access(sql, sname, tname, access);
    2059             : 
    2060        2067 :         return msg;
    2061             : }
    2062             : 
    2063             : str
    2064         336 : SQLcomment_on(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2065             : {
    2066         336 :         mvc *sql = NULL;
    2067         336 :         str msg;
    2068         336 :         sqlid objid = (sqlid) *getArgReference_int(stk, pci, 1);
    2069         336 :         char *remark = *getArgReference_str(stk, pci, 2);
    2070         336 :         sql_trans *tx;
    2071         336 :         sql_schema *sys;
    2072         336 :         sql_table *comments;
    2073         336 :         sql_column *id_col, *remark_col;
    2074         336 :         oid rid;
    2075         336 :         int ok = LOG_OK;
    2076             : 
    2077         336 :         initcontext();
    2078             : 
    2079             :         // Manually insert the rows to circumvent permission checks.
    2080         336 :         tx = sql->session->tr;
    2081         336 :         sys = mvc_bind_schema(sql, "sys");
    2082         336 :         if (!sys)
    2083           0 :                 throw(SQL, "sql.comment_on", SQLSTATE(3F000) "Internal error");
    2084         336 :         comments = mvc_bind_table(sql, sys, "comments");
    2085         336 :         if (!comments)
    2086           0 :                 throw(SQL, "sql.comment_on", SQLSTATE(3F000) "no table sys.comments");
    2087         336 :         id_col = mvc_bind_column(sql, comments, "id");
    2088         336 :         remark_col = find_sql_column(comments, "remark");
    2089         336 :         if (!id_col || !remark_col)
    2090           0 :                 throw(SQL, "sql.comment_on", SQLSTATE(3F000) "no table sys.comments");
    2091         336 :         sqlstore *store = tx->store;
    2092         336 :         rid = store->table_api.column_find_row(tx, id_col, &objid, NULL);
    2093         672 :         if (!strNil(remark) && *remark) {
    2094         327 :                 if (!is_oid_nil(rid)) {
    2095             :                         // have new remark and found old one, so update field
    2096             :                         /* UPDATE sys.comments SET remark = %s WHERE id = %d */
    2097           4 :                         ok = store->table_api.column_update_value(tx, remark_col, rid, remark);
    2098             :                 } else {
    2099             :                         // have new remark but found none so insert row
    2100             :                         /* INSERT INTO sys.comments (id, remark) VALUES (%d, %s) */
    2101         323 :                         ok = store->table_api.table_insert(tx, comments, &objid, &remark);
    2102             :                 }
    2103         327 :                 if (ok != LOG_OK)
    2104           1 :                         throw(SQL, "sql.comment_on", SQLSTATE(42000) "Comment on failed%s", ok == LOG_CONFLICT ? " due to conflict with another transaction" : "");
    2105         326 :                 if ((ok = sql_trans_add_dependency(tx, objid, ddl)) != LOG_OK) /* At the moment this adds dependencies for old objects :( */
    2106           0 :                         throw(SQL, "sql.comment_on", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2107             :         } else {
    2108           9 :                 if (!is_oid_nil(rid)) {
    2109             :                         // have no remark but found one, so delete row
    2110             :                         /* DELETE FROM sys.comments WHERE id = %d */
    2111           7 :                         if ((ok = store->table_api.table_delete(tx, comments, rid)) != LOG_OK)
    2112           0 :                                 throw(SQL, "sql.comment_on", SQLSTATE(42000) "Comment on failed%s", ok == LOG_CONFLICT ? " due to conflict with another transaction" : "");
    2113             :                 }
    2114             :         }
    2115             :         return MAL_SUCCEED;
    2116             : }
    2117             : 
    2118             : str
    2119           7 : SQLrename_schema(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2120             : {
    2121           7 :         mvc *sql = NULL;
    2122           7 :         str msg = MAL_SUCCEED;
    2123           7 :         str old_name = *getArgReference_str(stk, pci, 1);
    2124           7 :         str new_name = *getArgReference_str(stk, pci, 2);
    2125           7 :         sql_schema *s;
    2126             : 
    2127           7 :         initcontext();
    2128           7 :         sql_trans *tr = sql->session->tr;
    2129           7 :         sql_schema *cur = cur_schema(sql);
    2130             : 
    2131           7 :         if (!(s = mvc_bind_schema(sql, old_name)))
    2132           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(42S02) "ALTER SCHEMA: no such schema '%s'", old_name);
    2133           7 :         if (!mvc_schema_privs(sql, s))
    2134           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(42000) "ALTER SCHEMA: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), old_name);
    2135           7 :         if (s->system)
    2136           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(3F000) "ALTER SCHEMA: cannot rename a system schema");
    2137           7 :         if (os_size(s->tables, tr) || os_size(s->types, tr) || os_size(s->funcs, tr) || os_size(s->seqs, tr))
    2138           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(2BM37) "ALTER SCHEMA: unable to rename schema '%s' (there are database objects which depend on it)", old_name);
    2139          14 :         if (strNil(new_name) || *new_name == '\0')
    2140           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(3F000) "ALTER SCHEMA: invalid new schema name");
    2141           7 :         if (mvc_bind_schema(sql, new_name))
    2142           0 :                 throw(SQL, "sql.rename_schema", SQLSTATE(3F000) "ALTER SCHEMA: there is a schema named '%s' in the database", new_name);
    2143             : 
    2144           7 :         switch (sql_trans_rename_schema(sql->session->tr, s->base.id, new_name)) {
    2145           0 :                 case -1:
    2146           0 :                         throw(SQL,"sql.rename_schema", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2147           0 :                 case -2:
    2148             :                 case -3:
    2149           0 :                         throw(SQL,"sql.rename_schema", SQLSTATE(42000) "ALTER SCHEMA: transaction conflict detected");
    2150             :                 default:
    2151           7 :                         break;
    2152             :         }
    2153           7 :         if (cur && s->base.id == cur->base.id) /* change current session schema name */
    2154           1 :                 if (!mvc_set_schema(sql, new_name))
    2155           0 :                         throw(SQL, "sql.rename_schema",SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2156             :         return msg;
    2157             : }
    2158             : 
    2159             : str
    2160          45 : SQLrename_table(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2161             : {
    2162          45 :         mvc *sql = NULL;
    2163          45 :         str msg = MAL_SUCCEED;
    2164          45 :         str oschema_name = *getArgReference_str(stk, pci, 1);
    2165          45 :         str nschema_name = *getArgReference_str(stk, pci, 2);
    2166          45 :         str otable_name = *getArgReference_str(stk, pci, 3);
    2167          45 :         str ntable_name = *getArgReference_str(stk, pci, 4);
    2168          45 :         sql_schema *o, *s;
    2169          45 :         sql_table *t;
    2170             : 
    2171          45 :         initcontext();
    2172             : 
    2173          45 :         if (strcmp(oschema_name, nschema_name) == 0) { //renaming the table itself
    2174          19 :                 if (!(s = mvc_bind_schema(sql, oschema_name)))
    2175           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", oschema_name);
    2176          19 :                 if (!mvc_schema_privs(sql, s))
    2177           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);
    2178          19 :                 if (!(t = mvc_bind_table(sql, s, otable_name)))
    2179           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", otable_name, oschema_name);
    2180          19 :                 if (t->system)
    2181           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot rename a system table");
    2182          19 :                 if (isView(t))
    2183           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot rename a view");
    2184          19 :                 if (isDeclaredTable(t))
    2185           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot rename a declared table");
    2186          19 :                 if (mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL))
    2187           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);
    2188          38 :                 if (strNil(ntable_name) || *ntable_name == '\0')
    2189           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(3F000) "ALTER TABLE: invalid new table name");
    2190          19 :                 if (mvc_bind_table(sql, s, ntable_name))
    2191           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(3F000) "ALTER TABLE: there is a table named '%s' in schema '%s'", ntable_name, oschema_name);
    2192             : 
    2193          19 :                 switch (sql_trans_rename_table(sql->session->tr, s, t->base.id, ntable_name)) {
    2194           0 :                         case -1:
    2195           0 :                                 throw(SQL,"sql.rename_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2196           3 :                         case -2:
    2197             :                         case -3:
    2198           3 :                                 throw(SQL,"sql.rename_table", SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    2199             :                         default:
    2200             :                                 break;
    2201             :                 }
    2202             :         } else { //changing the schema of the table
    2203          26 :                 assert(strcmp(otable_name, ntable_name) == 0);
    2204             : 
    2205          26 :                 if (!(o = mvc_bind_schema(sql, oschema_name)))
    2206           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", oschema_name);
    2207          26 :                 if (!mvc_schema_privs(sql, o))
    2208           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);
    2209          26 :                 if (!(t = mvc_bind_table(sql, o, otable_name)))
    2210           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", otable_name, oschema_name);
    2211          26 :                 if (t->system)
    2212           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: cannot set schema of a system table");
    2213          26 :                 if (isTempSchema(o))
    2214           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: not possible to change a temporary table schema");
    2215          26 :                 if (isView(t))
    2216           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: not possible to change schema of a view");
    2217          26 :                 if (isDeclaredTable(t))
    2218           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42000) "ALTER TABLE: not possible to change schema of a declared table");
    2219          26 :                 if (mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL) || list_length(t->members) || ol_length(t->triggers))
    2220           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);
    2221          26 :                 if (!(s = mvc_bind_schema(sql, nschema_name)))
    2222           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", nschema_name);
    2223          26 :                 if (!mvc_schema_privs(sql, s))
    2224           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);
    2225          26 :                 if (isTempSchema(s))
    2226           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(3F000) "ALTER TABLE: not possible to change table's schema to temporary");
    2227          26 :                 if (mvc_bind_table(sql, s, otable_name))
    2228           0 :                         throw(SQL, "sql.rename_table", SQLSTATE(42S02) "ALTER TABLE: table '%s' on schema '%s' already exists", otable_name, nschema_name);
    2229             : 
    2230          26 :                 switch (sql_trans_set_table_schema(sql->session->tr, t->base.id, o, s)) {
    2231           0 :                         case -1:
    2232           0 :                                 throw(SQL,"sql.rename_table", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2233           1 :                         case -2:
    2234             :                         case -3:
    2235           1 :                                 throw(SQL,"sql.rename_table", SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    2236             :                         default:
    2237             :                                 break;
    2238             :                 }
    2239             :         }
    2240             : 
    2241             :         return msg;
    2242             : }
    2243             : 
    2244             : str
    2245          13 : SQLrename_column(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci)
    2246             : {
    2247          13 :         mvc *sql = NULL;
    2248          13 :         str msg = MAL_SUCCEED;
    2249          13 :         str schema_name = *getArgReference_str(stk, pci, 1);
    2250          13 :         str table_name = *getArgReference_str(stk, pci, 2);
    2251          13 :         str old_name = *getArgReference_str(stk, pci, 3);
    2252          13 :         str new_name = *getArgReference_str(stk, pci, 4);
    2253          13 :         sql_schema *s;
    2254          13 :         sql_table *t;
    2255          13 :         sql_column *col;
    2256             : 
    2257          13 :         initcontext();
    2258          13 :         if (!(s = mvc_bind_schema(sql, schema_name)))
    2259           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", schema_name);
    2260          13 :         if (!mvc_schema_privs(sql, s))
    2261           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);
    2262          13 :         if (!(t = mvc_bind_table(sql, s, table_name)))
    2263           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42S02) "ALTER TABLE: no such table '%s' in schema '%s'", table_name, schema_name);
    2264          13 :         if (t->system)
    2265           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: cannot rename a column in a system table");
    2266          13 :         if (isView(t))
    2267           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: cannot rename column '%s': '%s' is a view", old_name, table_name);
    2268          13 :         if (isDeclaredTable(t))
    2269           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42000) "ALTER TABLE: cannot rename column in a declared table");
    2270          13 :         if (!(col = mvc_bind_column(sql, t, old_name)))
    2271           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(42S22) "ALTER TABLE: no such column '%s' in table '%s'", old_name, table_name);
    2272          13 :         if (mvc_check_dependency(sql, col->base.id, COLUMN_DEPENDENCY, NULL))
    2273           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(2BM37) "ALTER TABLE: cannot rename column '%s' (there are database objects which depend on it)", old_name);
    2274          26 :         if (strNil(new_name) || *new_name == '\0')
    2275           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(3F000) "ALTER TABLE: invalid new column name");
    2276          13 :         if (mvc_bind_column(sql, t, new_name))
    2277           0 :                 throw(SQL, "sql.rename_column", SQLSTATE(3F000) "ALTER TABLE: there is a column named '%s' in table '%s'", new_name, table_name);
    2278             : 
    2279          13 :         switch (sql_trans_rename_column(sql->session->tr, t, col->base.id, old_name, new_name)) {
    2280           0 :                 case -1:
    2281           0 :                         throw(SQL,"sql.rename_column", SQLSTATE(HY013) MAL_MALLOC_FAIL);
    2282           0 :                 case -2:
    2283             :                 case -3:
    2284           0 :                         throw(SQL,"sql.rename_column", SQLSTATE(42000) "ALTER TABLE: transaction conflict detected");
    2285             :                 default:
    2286             :                         break;
    2287             :         }
    2288             :         return msg;
    2289             : }

Generated by: LCOV version 1.14