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 : #include "monetdb_config.h"
14 : #include "rel_trans.h"
15 : #include "rel_rel.h"
16 : #include "rel_basetable.h"
17 : #include "rel_select.h"
18 : #include "rel_updates.h"
19 : #include "rel_exp.h"
20 : #include "rel_schema.h"
21 : #include "rel_remote.h"
22 : #include "rel_psm.h"
23 : #include "rel_dump.h"
24 : #include "rel_propagate.h"
25 : #include "rel_unnest.h"
26 : #include "sql_parser.h"
27 : #include "sql_privileges.h"
28 : #include "sql_partition.h"
29 :
30 : #include "mal_authorize.h"
31 : #include "mal_exception.h"
32 :
33 : sql_rel *
34 33763 : rel_table(mvc *sql, int cat_type, const char *sname, sql_table *t, int nr)
35 : {
36 33763 : sql_rel *rel = rel_create(sql->sa);
37 33763 : list *exps = new_exp_list(sql->sa);
38 33763 : if (!rel || !exps)
39 : return NULL;
40 :
41 33763 : append(exps, exp_atom_int(sql->sa, nr));
42 33763 : append(exps, exp_atom_str(sql->sa, sname, sql_bind_localtype("str") ));
43 33763 : append(exps, exp_atom_str(sql->sa, t->base.name, sql_bind_localtype("str") ));
44 33763 : append(exps, exp_atom_ptr(sql->sa, t));
45 33763 : rel->l = rel_basetable(sql, t, t->base.name);
46 33763 : rel->r = NULL;
47 33763 : rel->op = op_ddl;
48 33763 : rel->flag = cat_type;
49 33763 : rel->exps = exps;
50 33763 : rel->card = CARD_MULTI;
51 33763 : rel->nrcols = 0;
52 33763 : return rel;
53 : }
54 :
55 : static sql_rel *
56 101 : rel_create_remote(mvc *sql, int cat_type, const char *sname, sql_table *t, int pw_encrypted, const char *username, const char *passwd)
57 : {
58 101 : sql_rel *rel = rel_create(sql->sa);
59 101 : list *exps = new_exp_list(sql->sa);
60 101 : if (!rel || !exps)
61 : return NULL;
62 :
63 101 : append(exps, exp_atom_int(sql->sa, pw_encrypted));
64 101 : append(exps, exp_atom_str(sql->sa, sname, sql_bind_localtype("str") ));
65 101 : append(exps, exp_atom_str(sql->sa, t->base.name, sql_bind_localtype("str") ));
66 101 : append(exps, exp_atom_ptr(sql->sa, t));
67 101 : append(exps, exp_atom_str(sql->sa, username, sql_bind_localtype("str") ));
68 101 : append(exps, exp_atom_str(sql->sa, passwd, sql_bind_localtype("str") ));
69 101 : rel->l = rel_basetable(sql, t, t->base.name);
70 101 : rel->r = NULL;
71 101 : rel->op = op_ddl;
72 101 : rel->flag = cat_type;
73 101 : rel->exps = exps;
74 101 : rel->card = CARD_MULTI;
75 101 : rel->nrcols = 0;
76 101 : return rel;
77 : }
78 :
79 : static sql_rel *
80 22262 : rel_create_view_ddl(mvc *sql, int cat_type, const char *sname, sql_table *t, int nr, int replace)
81 : {
82 22262 : sql_rel *rel = rel_table(sql, cat_type, sname, t, nr);
83 22262 : if (!rel)
84 : return NULL;
85 22262 : append(rel->exps, exp_atom_int(sql->sa, replace));
86 22262 : return rel;
87 : }
88 :
89 : static sql_rel *
90 2792 : rel_alter_table(allocator *sa, int cattype, char *sname, char *tname, char *sname2, char *tname2, int action)
91 : {
92 2792 : sql_rel *rel = rel_create(sa);
93 2792 : list *exps = new_exp_list(sa);
94 2792 : if (!rel || !exps)
95 : return NULL;
96 :
97 2792 : append(exps, exp_atom_clob(sa, sname));
98 2792 : append(exps, exp_atom_clob(sa, tname));
99 2792 : assert((sname2 && tname2) || (!sname2 && !tname2));
100 2792 : if (sname2) {
101 492 : append(exps, exp_atom_clob(sa, sname2));
102 492 : append(exps, exp_atom_clob(sa, tname2));
103 : }
104 2792 : append(exps, exp_atom_int(sa, action));
105 2792 : rel->l = NULL;
106 2792 : rel->r = NULL;
107 2792 : rel->op = op_ddl;
108 2792 : rel->flag = cattype;
109 2792 : rel->exps = exps;
110 2792 : rel->card = CARD_MULTI;
111 2792 : rel->nrcols = 0;
112 2792 : return rel;
113 : }
114 :
115 : static sql_rel *
116 12104 : view_rename_columns(mvc *sql, const char *name, sql_rel *sq, dlist *column_spec)
117 : {
118 12104 : dnode *n = column_spec->h;
119 12104 : node *m = sq->exps->h, *p = m;
120 :
121 12104 : assert(is_project(sq->op));
122 53699 : for (; n && m; n = n->next, p = m, m = m->next) {
123 41595 : char *cname = n->data.sval;
124 41595 : sql_exp *e = m->data;
125 41595 : sql_exp *n = e;
126 :
127 41595 : exp_setname(sql, n, name, cname);
128 41595 : set_basecol(n);
129 : }
130 : /* skip any intern columns */
131 12104 : for (; m; m = m->next) {
132 0 : sql_exp *e = m->data;
133 0 : if (!is_intern(e))
134 : break;
135 : }
136 12104 : if (p)
137 12104 : p->next = 0;
138 12104 : if (n || m)
139 0 : return sql_error(sql, 02, SQLSTATE(M0M03) "Column lists do not match");
140 12104 : list_hash_clear(sq->exps);
141 12104 : set_processed(sq);
142 12104 : return sq;
143 : }
144 :
145 : static int
146 22372 : as_subquery(mvc *sql, sql_table *t, table_types tt, sql_rel *sq, dlist *column_spec, const char *msg)
147 : {
148 22372 : sql_rel *r = sq;
149 :
150 22372 : if (!r)
151 : return 0;
152 22372 : if (column_spec) {
153 687 : dnode *n = column_spec->h;
154 687 : node *m = r->exps->h;
155 :
156 3379 : for (; n && m; n = n->next, m = m->next) {
157 2692 : char *cname = n->data.sval;
158 2692 : sql_exp *e = m->data;
159 2692 : sql_subtype *tp = exp_subtype(e);
160 2692 : sql_column *col = NULL;
161 :
162 2692 : if (tt != tt_view && cname && cname[0] == '%') {
163 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: generated labels not allowed in column names, use an alias instead", msg);
164 0 : return -1;
165 2692 : } else if (!tp) {
166 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: columns must have a type defined", msg);
167 0 : return -1;
168 2692 : } else if (tp->type->eclass == EC_ANY) {
169 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: any type (plain null value) not allowed as a column type, use an explicit cast", msg);
170 0 : return -1;
171 2692 : } else if (mvc_bind_column(sql, t, cname)) {
172 0 : sql_error(sql, 01, SQLSTATE(42S21) "%s: duplicate column name %s", msg, cname);
173 0 : return -1;
174 : }
175 2692 : switch (mvc_create_column(&col, sql, t, cname, tp)) {
176 0 : case -1:
177 0 : sql_error(sql, 01, SQLSTATE(HY013) MAL_MALLOC_FAIL);
178 0 : return -1;
179 0 : case -2:
180 : case -3:
181 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: transaction conflict detected", msg);
182 0 : return -1;
183 : default:
184 2692 : break;
185 : }
186 : }
187 687 : if (n || m) {
188 0 : sql_error(sql, 01, SQLSTATE(21S02) "%s: number of columns does not match", msg);
189 0 : return -1;
190 : }
191 : } else {
192 221469 : for (node *m = r->exps->h; m; m = m->next) {
193 199788 : sql_exp *e = m->data;
194 199788 : const char *cname = exp_name(e);
195 199788 : sql_subtype *tp = exp_subtype(e);
196 199788 : sql_column *col = NULL;
197 :
198 199788 : if (!cname)
199 4 : cname = "v";
200 199788 : if (tt != tt_view && cname[0] == '%') {
201 1 : sql_error(sql, 01, SQLSTATE(42000) "%s: generated labels not allowed in column names, use an alias instead", msg);
202 4 : return -1;
203 199787 : } else if (!tp) {
204 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: columns must have a type defined", msg);
205 0 : return -1;
206 199787 : } else if (tp->type->eclass == EC_ANY) {
207 1 : sql_error(sql, 01, SQLSTATE(42000) "%s: any type (plain null value) not allowed as a column type, use an explicit cast", msg);
208 1 : return -1;
209 199786 : } else if (mvc_bind_column(sql, t, cname)) {
210 2 : sql_error(sql, 01, SQLSTATE(42S21) "%s: duplicate column name %s", msg, cname);
211 2 : return -1;
212 : }
213 199784 : switch (mvc_create_column(&col, sql, t, cname, tp)) {
214 0 : case -1:
215 0 : sql_error(sql, 01, SQLSTATE(HY013) MAL_MALLOC_FAIL);
216 0 : return -1;
217 0 : case -2:
218 : case -3:
219 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: transaction conflict detected", msg);
220 0 : return -1;
221 : default:
222 199784 : break;
223 : }
224 : }
225 : }
226 : return 0;
227 : }
228 :
229 : sql_table *
230 105 : mvc_create_table_as_subquery(mvc *sql, sql_rel *sq, sql_schema *s, const char *tname, dlist *column_spec, int temp, int commit_action, const char *action)
231 : {
232 105 : sql_table *t = NULL;
233 105 : table_types tt =(temp == SQL_REMOTE)?tt_remote:
234 : (temp == SQL_MERGE_TABLE)?tt_merge_table:
235 : (temp == SQL_REPLICA_TABLE)?tt_replica_table:
236 : (temp == SQL_UNLOGGED_TABLE)?tt_unlogged_table:tt_table;
237 :
238 105 : switch (mvc_create_table(&t, sql, s, tname, tt, 0, SQL_DECLARED_TABLE, commit_action, -1, 0)) {
239 0 : case -1:
240 0 : return sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
241 0 : case -2:
242 : case -3:
243 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: transaction conflict detected", action);
244 0 : case -4:
245 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: the partition's expression is too long", action);
246 : case -5:
247 : return NULL;
248 : default:
249 105 : break;
250 : }
251 105 : if (as_subquery(sql, t, tt, sq, column_spec, action) != 0)
252 : return NULL;
253 102 : return t;
254 : }
255 :
256 : sql_table *
257 4 : mvc_create_remote_as_subquery(mvc *sql, sql_rel *sq, sql_schema *s, const char *tname, dlist *column_spec, const char *loc, const char *action)
258 : {
259 4 : sql_table *t = NULL;
260 4 : switch(mvc_create_remote(&t, sql, s, tname, SQL_DECLARED_TABLE, loc)) {
261 0 : case -1:
262 0 : return sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
263 0 : case -2:
264 : case -3:
265 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: transaction conflict detected", action);
266 0 : case -4:
267 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: the partition's expression is too long", action);
268 : case -5:
269 : return NULL;
270 : default:
271 4 : break;
272 : }
273 4 : if (as_subquery(sql, t, tt_remote, sq, column_spec, action) != 0)
274 : return NULL;
275 4 : return t;
276 : }
277 :
278 : static char *
279 894 : table_constraint_name(mvc *sql, symbol *s, sql_schema *ss, sql_table *t)
280 : {
281 : /* create a descriptive name like table_col_pkey */
282 894 : char *suffix; /* stores the type of this constraint */
283 894 : dnode *nms = NULL;
284 894 : char *buf;
285 894 : size_t buflen, len, slen;
286 :
287 894 : switch (s->token) {
288 50 : case SQL_UNIQUE:
289 50 : suffix = "_unique";
290 50 : nms = s->data.lval->h; /* list of columns */
291 890 : break;
292 463 : case SQL_PRIMARY_KEY:
293 463 : suffix = "_pkey";
294 463 : nms = s->data.lval->h; /* list of columns */
295 463 : break;
296 377 : case SQL_FOREIGN_KEY:
297 377 : suffix = "_fkey";
298 377 : nms = s->data.lval->h->next->data.lval->h; /* list of columns */
299 377 : break;
300 : case SQL_CHECK:
301 3 : suffix = "_check";
302 3 : char name[512], name2[512], *nme, *nme2;
303 3 : bool found;
304 3 : do {
305 3 : nme = number2name(name, sizeof(name), ++sql->label);
306 3 : buflen = snprintf(name2, sizeof(name2), "%s_%s%s", t->base.name, nme, suffix);
307 3 : nme2 = name2;
308 3 : found = ol_find_name(t->keys, nme2) || mvc_bind_key(sql, ss, nme2);
309 3 : } while (found);
310 3 : buf = SA_NEW_ARRAY(sql->ta, char, buflen);
311 3 : strcpy(buf, nme2);
312 3 : return buf;
313 1 : default:
314 1 : suffix = "_?";
315 1 : nms = NULL;
316 : }
317 :
318 : /* copy table name */
319 891 : len = strlen(t->base.name);
320 891 : buflen = BUFSIZ;
321 891 : slen = strlen(suffix);
322 891 : while (len + slen >= buflen)
323 0 : buflen += BUFSIZ;
324 891 : buf = SA_NEW_ARRAY(sql->ta, char, buflen);
325 891 : strcpy(buf, t->base.name);
326 :
327 : /* add column name(s) */
328 2154 : for (; nms; nms = nms->next) {
329 1263 : slen = strlen(nms->data.sval);
330 1263 : while (len + slen + 1 >= buflen) {
331 0 : size_t nbuflen = buflen + BUFSIZ;
332 0 : char *nbuf = SA_RENEW_ARRAY(sql->ta, char, buf, nbuflen, buflen);
333 : buf = nbuf;
334 : buflen = nbuflen;
335 : }
336 1263 : snprintf(buf + len, buflen - len, "_%s", nms->data.sval);
337 1263 : len += slen + 1;
338 : }
339 :
340 : /* add suffix */
341 891 : slen = strlen(suffix);
342 891 : while (len + slen >= buflen) {
343 0 : size_t nbuflen = buflen + BUFSIZ;
344 0 : char *nbuf = SA_RENEW_ARRAY(sql->ta, char, buf, nbuflen, buflen);
345 : buf = nbuf;
346 : buflen = nbuflen;
347 : }
348 891 : snprintf(buf + len, buflen - len, "%s", suffix);
349 891 : return buf;
350 : }
351 :
352 : static char *
353 21675 : column_constraint_name(mvc *sql, symbol *s, sql_column *sc, sql_table *t)
354 : {
355 : /* create a descriptive name like table_col_pkey */
356 21675 : char *suffix /* stores the type of this constraint */, *buf;
357 21675 : size_t buflen;
358 :
359 21675 : switch (s->token) {
360 : case SQL_UNIQUE:
361 : suffix = "unique";
362 : break;
363 4 : case SQL_UNIQUE_NULLS_NOT_DISTINCT:
364 4 : suffix = "nndunique";
365 4 : break;
366 2848 : case SQL_PRIMARY_KEY:
367 2848 : suffix = "pkey";
368 2848 : break;
369 57 : case SQL_FOREIGN_KEY:
370 57 : suffix = "fkey";
371 57 : break;
372 17 : case SQL_CHECK:
373 17 : suffix = "check";
374 17 : break;
375 17022 : default:
376 17022 : suffix = "?";
377 : }
378 :
379 21675 : buflen = strlen(t->base.name) + strlen(sc->base.name) + strlen(suffix) + 3;
380 21675 : buf = SA_NEW_ARRAY(sql->ta, char, buflen);
381 21675 : snprintf(buf, buflen, "%s_%s_%s", t->base.name, sc->base.name, suffix);
382 21675 : return buf;
383 : }
384 :
385 : #define COL_NULL 0
386 : #define COL_DEFAULT 1
387 :
388 : static bool
389 971 : foreign_key_check_types(sql_subtype *lt, sql_subtype *rt)
390 : {
391 971 : if (lt->type->eclass == EC_EXTERNAL && rt->type->eclass == EC_EXTERNAL)
392 1 : return lt->type->localtype == rt->type->localtype;
393 1931 : return lt->type->eclass == rt->type->eclass || (EC_VARCHAR(lt->type->eclass) && EC_VARCHAR(rt->type->eclass));
394 : }
395 :
396 : static key_type
397 5961 : token2key_type(int token)
398 : {
399 5961 : switch (token) {
400 : case SQL_UNIQUE: return ukey;
401 7 : case SQL_UNIQUE_NULLS_NOT_DISTINCT: return unndkey;
402 3875 : case SQL_PRIMARY_KEY: return pkey;
403 38 : case SQL_CHECK: return ckey;
404 : }
405 0 : assert(0);
406 : return -1;
407 : }
408 :
409 : static sql_rel*
410 38 : create_check_plan(sql_query *query, symbol *s, sql_table *t)
411 : {
412 38 : mvc *sql = query->sql;
413 38 : exp_kind ek = {type_value, card_value, FALSE};
414 38 : sql_rel *rel = rel_basetable(sql, t, t->base.name);
415 38 : sql_exp *e = rel_logical_value_exp(query, &rel, s->data.lval->h->data.sym, sql_sel | sql_no_subquery, ek);
416 :
417 38 : if (!e || !rel || !is_basetable(rel->op))
418 : return NULL;
419 32 : e->comment = sa_strdup(sql->sa, s->data.lval->h->next->data.sval);
420 32 : rel->exps = rel_base_projection(sql, rel, 0);
421 32 : list *pexps = sa_list(sql->sa);
422 32 : pexps = append(pexps, e);
423 32 : rel = rel_project(sql->sa, rel, pexps);
424 32 : return rel;
425 : }
426 :
427 : static int
428 21680 : column_constraint_type(sql_query *query, const char *name, symbol *s, sql_schema *ss, sql_table *t, sql_column *cs, bool isDeclared, int *used)
429 : {
430 21680 : mvc *sql = query->sql;
431 21680 : int res = SQL_ERR;
432 :
433 21680 : if (isDeclared && (s->token != SQL_NULL && s->token != SQL_NOT_NULL)) {
434 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT: constraints on declared tables are not supported");
435 1 : return res;
436 : }
437 21679 : switch (s->token) {
438 4599 : case SQL_UNIQUE:
439 : case SQL_UNIQUE_NULLS_NOT_DISTINCT:
440 : case SQL_PRIMARY_KEY:
441 : case SQL_CHECK: {
442 4599 : key_type kt = token2key_type(s->token);
443 4599 : sql_key *k;
444 4599 : const char *ns = name;
445 :
446 4599 : if (kt == pkey && t->pkey) {
447 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT PRIMARY KEY: a table can have only one PRIMARY KEY");
448 3 : return res;
449 : }
450 4599 : if (!ns || !*ns) { /* add this to be safe */
451 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: key name name cannot be empty", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
452 0 : return res;
453 : }
454 4599 : while (isdigit((unsigned char) *ns))
455 0 : ns++;
456 4599 : if (!*ns) { /* if a key name just contains digit characters, the generated index name can be mistaken with a label */
457 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: key name cannot contain just digit characters (0 through 9)", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
458 0 : return res;
459 : }
460 4599 : if (ol_find_name(t->keys, name) || mvc_bind_key(sql, ss, name)) {
461 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: key %s already exists", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE", name);
462 0 : return res;
463 : }
464 4599 : if (ol_find_name(t->idxs, name) || mvc_bind_idx(sql, ss, name)) {
465 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: an index named '%s' already exists, and it would conflict with the key", kt == pkey ? "PRIMARY KEY" : "UNIQUE", name);
466 0 : return res;
467 : }
468 4599 : char* check = NULL;
469 4599 : sql_rel* check_rel = NULL;
470 4599 : if (kt == ckey) {
471 17 : if ((check_rel = create_check_plan(query, s, t)) == NULL) {
472 : return -3;
473 : }
474 14 : check = exp2str(sql, check_rel->exps->h->data);
475 : }
476 4596 : switch (mvc_create_ukey(&k, sql, t, name, kt, check)) {
477 0 : case -1:
478 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
479 0 : return res;
480 0 : case -2:
481 : case -3:
482 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: transaction conflict detected", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
483 0 : return res;
484 : default:
485 4596 : break;
486 : }
487 4596 : if (check) {
488 14 : sql_rel* btrel = check_rel->l;
489 14 : node* n = NULL;
490 28 : for (n = btrel->exps->h; n; n = n->next) {
491 14 : sql_exp* e = n->data;
492 14 : const char *nm = e->alias.name;
493 14 : sql_column *c = mvc_bind_column(sql, t, nm);
494 14 : if (!c) {
495 0 : (void) sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "CONSTRAINT CHECK: no such column '%s' for table '%s'",
496 : nm, t->base.name);
497 0 : return SQL_ERR;
498 : }
499 14 : switch (mvc_create_kc(sql, k, c)) {
500 0 : case -1:
501 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
502 0 : return SQL_ERR;
503 0 : case -2:
504 : case -3:
505 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT CHECK: transaction conflict detected");
506 0 : return SQL_ERR;
507 : default:
508 14 : break;
509 : }
510 : }
511 : }
512 : else
513 4582 : switch (mvc_create_kc(sql, k, cs)) {
514 0 : case -1:
515 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
516 0 : return res;
517 0 : case -2:
518 : case -3:
519 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: transaction conflict detected", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
520 0 : return res;
521 : default:
522 : break;
523 : }
524 4596 : switch (mvc_create_key_done(sql, k)) {
525 0 : case -1:
526 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
527 0 : return res;
528 0 : case -2:
529 : case -3:
530 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: transaction conflict detected", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
531 0 : return res;
532 : default:
533 4596 : break;
534 : }
535 4596 : res = SQL_OK;
536 4596 : } break;
537 58 : case SQL_FOREIGN_KEY: {
538 58 : dnode *n = s->data.lval->h;
539 58 : char *rsname = qname_schema(n->data.lval);
540 58 : char *rtname = qname_schema_object(n->data.lval);
541 58 : int ref_actions = n->next->next->next->data.i_val;
542 58 : sql_table *rt;
543 58 : sql_fkey *fk;
544 58 : list *cols;
545 58 : sql_key *rk = NULL;
546 58 : sql_kc *kc;
547 58 : const char *ns = name;
548 :
549 58 : assert(n->next->next->next->type == type_int);
550 58 : rt = find_table_or_view_on_scope(sql, ss, rsname, rtname, "CONSTRAINT FOREIGN KEY", false);
551 : /* self referenced table */
552 58 : if (!rt && t->s == ss && strcmp(t->base.name, rtname) == 0) {
553 1 : sql->errstr[0] = '\0'; /* reset table not found error */
554 1 : sql->session->status = 0;
555 1 : rt = t;
556 : }
557 1 : if (!rt)
558 1 : return SQL_ERR;
559 58 : if (!rt->s) { /* disable foreign key on declared table */
560 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key with declared tables");
561 0 : return res;
562 : }
563 58 : if (isTempSchema(t->s) != isTempSchema(rt->s)) { /* disable foreign key between temp and non temp */
564 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key between temporary and non temporary tables");
565 0 : return res;
566 : }
567 58 : if (isUnloggedTable(t) != isUnloggedTable(rt)) { /* disable foreign key between logged and unlogged */
568 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key between logged and unlogged tables");
569 0 : return res;
570 : }
571 58 : if (!ns || !*ns) { /* add this to be safe */
572 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: key name name cannot be empty");
573 0 : return res;
574 : }
575 58 : while (isdigit((unsigned char) *ns))
576 0 : ns++;
577 58 : if (!*ns) { /* if a key name just contains digit characters, the generated index name can be mistaken with a label */
578 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: key name cannot contain just digit characters (0 through 9)");
579 0 : return res;
580 : }
581 58 : if (ol_find_name(t->keys, name) || mvc_bind_key(sql, ss, name)) {
582 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: key '%s' already exists", name);
583 0 : return res;
584 : }
585 58 : if (ol_find_name(t->idxs, name) || mvc_bind_idx(sql, ss, name)) {
586 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: an index named '%s' already exists, and it would conflict with the key", name);
587 0 : return res;
588 : }
589 :
590 : /* find unique referenced key */
591 58 : if (n->next->data.lval) {
592 53 : char *rcname = n->next->data.lval->h->data.sval;
593 :
594 53 : cols = list_append(sa_list(sql->sa), rcname);
595 53 : rk = mvc_bind_ukey(rt, cols);
596 5 : } else if (rt->pkey) {
597 : /* no columns specified use rt.pkey */
598 5 : rk = &rt->pkey->k;
599 : }
600 58 : if (!rk) {
601 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: could not find referenced PRIMARY KEY in table %s.%s", rsname, rtname);
602 0 : return res;
603 : }
604 58 : if (list_length(rk->columns) != 1) {
605 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: not all columns are handled");
606 1 : return res;
607 : }
608 57 : kc = rk->columns->h->data;
609 57 : if (!foreign_key_check_types(&cs->type, &kc->c->type)) {
610 0 : str tp1 = sql_subtype_string(sql->ta, &cs->type), tp2 = sql_subtype_string(sql->ta, &kc->c->type);
611 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: the type of the FOREIGN KEY column '%s' %s is not compatible with the referenced %s KEY column type %s",
612 0 : cs->base.name, tp1, rk->type == pkey ? "PRIMARY" : "UNIQUE", tp2);
613 0 : return res;
614 : }
615 57 : switch (mvc_create_fkey(&fk, sql, t, name, fkey, rk, ref_actions & 255, (ref_actions>>8) & 255)) {
616 0 : case -1:
617 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
618 0 : return res;
619 0 : case -2:
620 : case -3:
621 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: transaction conflict detected");
622 0 : return res;
623 : default:
624 57 : break;
625 : }
626 57 : switch (mvc_create_fkc(sql, fk, cs)) {
627 0 : case -1:
628 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
629 0 : return res;
630 0 : case -2:
631 : case -3:
632 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: transaction conflict detected");
633 0 : return res;
634 : default:
635 57 : break;
636 : }
637 57 : switch (mvc_create_key_done(sql, (sql_key*)fk)) {
638 0 : case -1:
639 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
640 0 : return res;
641 0 : case -2:
642 : case -3:
643 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: transaction conflict detected");
644 0 : return res;
645 : default:
646 57 : break;
647 : }
648 57 : res = SQL_OK;
649 57 : } break;
650 17022 : case SQL_NOT_NULL:
651 : case SQL_NULL: {
652 17022 : int null = (s->token != SQL_NOT_NULL);
653 :
654 17022 : if (((*used)&(1<<COL_NULL))) {
655 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "NULL constraint for a column may be specified at most once");
656 1 : return SQL_ERR;
657 : }
658 17021 : *used |= (1<<COL_NULL);
659 :
660 17021 : switch (mvc_null(sql, cs, null)) {
661 0 : case -1:
662 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
663 0 : return SQL_ERR;
664 0 : case -2:
665 : case -3:
666 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "NULL CONSTRAINT: transaction conflict detected");
667 0 : return SQL_ERR;
668 : default:
669 : break;
670 : }
671 : res = SQL_OK;
672 : } break;
673 : default:{
674 : res = SQL_ERR;
675 : }
676 : }
677 4653 : if (res == SQL_ERR) {
678 0 : (void) sql_error(sql, 02, SQLSTATE(M0M03) "Unknown constraint (%p)->token = %s", s, token2string(s->token));
679 : }
680 : return res;
681 : }
682 :
683 : static int
684 52979 : column_options(sql_query *query, dlist *opt_list, sql_schema *ss, sql_table *t, sql_column *cs, bool isDeclared)
685 : {
686 52979 : mvc *sql = query->sql;
687 52979 : int res = SQL_OK, used = 0;
688 52979 : assert(cs);
689 :
690 52979 : if (opt_list) {
691 41089 : for (dnode *n = opt_list->h; n && res == SQL_OK; n = n->next) {
692 23073 : symbol *s = n->data.sym;
693 :
694 23073 : switch (s->token) {
695 21680 : case SQL_CONSTRAINT: {
696 21680 : dlist *l = s->data.lval;
697 21680 : char *opt_name = l->h->data.sval, *default_name = NULL;
698 21680 : symbol *sym = l->h->next->data.sym;
699 :
700 21680 : if (!opt_name && !(default_name = column_constraint_name(sql, sym, cs, t)))
701 : return SQL_ERR;
702 :
703 21680 : res = column_constraint_type(query, opt_name ? opt_name : default_name, sym, ss, t, cs, isDeclared, &used);
704 21680 : } break;
705 1393 : case SQL_DEFAULT: {
706 1393 : symbol *sym = s->data.sym;
707 1393 : char *err = NULL, *r;
708 :
709 1393 : if ((used&(1<<COL_DEFAULT))) {
710 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "A default value for a column may be specified at most once");
711 4 : return SQL_ERR;
712 : }
713 1392 : used |= (1<<COL_DEFAULT);
714 :
715 1392 : if (sym->token == SQL_COLUMN || sym->token == SQL_IDENT || sym->token == SQL_NEXT) {
716 265 : exp_kind ek = {type_value, card_value, FALSE};
717 265 : sql_exp *e = rel_logical_value_exp(query, NULL, sym, sql_sel, ek);
718 :
719 265 : if (!e)
720 2 : return SQL_ERR;
721 263 : if (e && is_atom(e->type)) {
722 0 : atom *a = exp_value(sql, e);
723 :
724 0 : if (a && atom_null(a)) {
725 0 : switch (mvc_default(sql, cs, NULL)) {
726 0 : case -1:
727 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
728 0 : return SQL_ERR;
729 0 : case -2:
730 : case -3:
731 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "DEFAULT: transaction conflict detected while setting default value");
732 0 : return SQL_ERR;
733 : default:
734 0 : break;
735 : }
736 0 : break;
737 : }
738 : }
739 : /* reset error */
740 263 : sql->session->status = 0;
741 263 : sql->errstr[0] = '\0';
742 : }
743 1390 : r = symbol2string(sql, s->data.sym, 0, &err);
744 1390 : if (!r) {
745 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "Incorrect default value '%s'", err?err:"");
746 1 : return SQL_ERR;
747 : } else {
748 1389 : switch (mvc_default(sql, cs, r)) {
749 0 : case -1:
750 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
751 0 : return SQL_ERR;
752 0 : case -2:
753 : case -3:
754 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "DEFAULT: transaction conflict detected while setting default value");
755 0 : return SQL_ERR;
756 : default:
757 1389 : break;
758 : }
759 : }
760 1389 : } break;
761 0 : case SQL_NOT_NULL:
762 : case SQL_NULL: {
763 0 : int null = (s->token != SQL_NOT_NULL);
764 :
765 0 : if ((used&(1<<COL_NULL))) {
766 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "NULL constraint for a column may be specified at most once");
767 0 : return SQL_ERR;
768 : }
769 0 : used |= (1<<COL_NULL);
770 :
771 0 : switch (mvc_null(sql, cs, null)) {
772 0 : case -1:
773 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
774 0 : return SQL_ERR;
775 0 : case -2:
776 : case -3:
777 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "NULL CONSTRAINT: transaction conflict detected");
778 0 : return SQL_ERR;
779 : default:
780 : break;
781 : }
782 : } break;
783 0 : default: {
784 0 : (void) sql_error(sql, 02, SQLSTATE(M0M03) "Unknown column option (%p)->token = %s", s, token2string(s->token));
785 0 : return SQL_ERR;
786 : }
787 : }
788 : }
789 : }
790 : return res;
791 : }
792 :
793 : static int
794 897 : table_foreign_key(mvc *sql, const char *name, symbol *s, sql_schema *ss, sql_table *t)
795 : {
796 897 : dnode *n = s->data.lval->h;
797 897 : char *rsname = qname_schema(n->data.lval);
798 897 : char *rtname = qname_schema_object(n->data.lval);
799 897 : const char *ns = name;
800 897 : sql_table *ft = NULL;
801 :
802 897 : ft = find_table_or_view_on_scope(sql, ss, rsname, rtname, "CONSTRAINT FOREIGN KEY", false);
803 : /* self referenced table */
804 897 : if (!ft && t->s == ss && strcmp(t->base.name, rtname) == 0) {
805 10 : sql->errstr[0] = '\0'; /* reset table not found error */
806 10 : sql->session->status = 0;
807 10 : ft = t;
808 : }
809 10 : if (!ft) {
810 : return SQL_ERR;
811 : } else {
812 897 : sql_key *rk = NULL;
813 897 : sql_fkey *fk;
814 897 : dnode *nms = n->next->data.lval->h;
815 897 : node *fnms;
816 897 : int ref_actions = n->next->next->next->next->data.i_val;
817 :
818 897 : assert(n->next->next->next->next->type == type_int);
819 897 : if (!ft->s) { /* disable foreign key on declared table */
820 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key with declared tables");
821 26 : return SQL_ERR;
822 : }
823 897 : if (isTempSchema(t->s) != isTempSchema(ft->s)) { /* disable foreign key between temp and non temp */
824 2 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key between temporary and non temporary tables");
825 2 : return SQL_ERR;
826 : }
827 895 : if (isTempTable(ft) && !isGlobal(ft) && ft != t) { /* disable foreign key on local temporary table */
828 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key with local temporary tables");
829 1 : return SQL_ERR;
830 : }
831 894 : if (isUnloggedTable(t) != isUnloggedTable(ft)) { /* disable foreign key between logged and unlogged */
832 2 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: cannot create foreign key between logged and unlogged tables");
833 2 : return SQL_ERR;
834 : }
835 892 : if (!ns || !*ns) { /* add this to be safe */
836 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: key name name cannot be empty");
837 0 : return SQL_ERR;
838 : }
839 892 : while (isdigit((unsigned char) *ns))
840 0 : ns++;
841 892 : if (!*ns) { /* if a key name just contains digit characters, the generated index name can be mistaken with a label */
842 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: key name cannot contain just digit characters (0 through 9)");
843 0 : return SQL_ERR;
844 : }
845 892 : if (ol_find_name(t->keys, name) || mvc_bind_key(sql, ss, name)) {
846 2 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: key '%s' already exists", name);
847 2 : return SQL_ERR;
848 : }
849 890 : if (ol_find_name(t->idxs, name) || mvc_bind_idx(sql, ss, name)) {
850 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: an index named '%s' already exists, and it would conflict with the key", name);
851 1 : return SQL_ERR;
852 : }
853 889 : if (n->next->next->data.lval) { /* find unique referenced key */
854 852 : dnode *rnms = n->next->next->data.lval->h;
855 852 : list *cols = sa_list(sql->sa);
856 :
857 2587 : for (; rnms; rnms = rnms->next)
858 883 : list_append(cols, rnms->data.sval);
859 :
860 : /* find key in ft->keys */
861 852 : rk = mvc_bind_ukey(ft, cols);
862 37 : } else if (ft->pkey) {
863 : /* no columns specified use ft.pkey */
864 37 : rk = &ft->pkey->k;
865 : }
866 889 : if (!rk) {
867 5 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: could not find referenced PRIMARY KEY in table '%s'", ft->base.name);
868 5 : return SQL_ERR;
869 : }
870 884 : switch (mvc_create_fkey(&fk, sql, t, name, fkey, rk, ref_actions & 255, (ref_actions>>8) & 255)) {
871 0 : case -1:
872 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
873 0 : return SQL_ERR;
874 0 : case -2:
875 : case -3:
876 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: transaction conflict detected");
877 0 : return SQL_ERR;
878 : default:
879 884 : break;
880 : }
881 :
882 1789 : for (fnms = rk->columns->h; nms && fnms; nms = nms->next, fnms = fnms->next) {
883 917 : char *nm = nms->data.sval;
884 917 : sql_column *cs = mvc_bind_column(sql, t, nm);
885 917 : sql_kc *kc = fnms->data;
886 :
887 917 : if (!cs) {
888 3 : (void) sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "CONSTRAINT FOREIGN KEY: no such column '%s' in table '%s'", nm, t->base.name);
889 3 : return SQL_ERR;
890 : }
891 914 : if (!foreign_key_check_types(&cs->type, &kc->c->type)) {
892 9 : str tp1 = sql_subtype_string(sql->ta, &cs->type), tp2 = sql_subtype_string(sql->ta, &kc->c->type);
893 18 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: the type of the FOREIGN KEY column '%s' %s is not compatible with the referenced %s KEY column type %s",
894 9 : cs->base.name, tp1, rk->type == pkey ? "PRIMARY" : "UNIQUE", tp2);
895 9 : return SQL_ERR;
896 : }
897 905 : switch (mvc_create_fkc(sql, fk, cs)) {
898 0 : case -1:
899 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
900 0 : return SQL_ERR;
901 0 : case -2:
902 : case -3:
903 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: transaction conflict detected");
904 0 : return SQL_ERR;
905 : default:
906 905 : break;
907 : }
908 : }
909 872 : if (nms || fnms) {
910 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: not all columns are handled");
911 1 : return SQL_ERR;
912 : }
913 871 : switch (mvc_create_key_done(sql, (sql_key*)fk)) {
914 0 : case -1:
915 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
916 0 : return SQL_ERR;
917 0 : case -2:
918 : case -3:
919 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT FOREIGN KEY: transaction conflict detected");
920 0 : return SQL_ERR;
921 : default:
922 871 : break;
923 : }
924 : }
925 871 : return SQL_OK;
926 : }
927 :
928 : static int
929 2259 : table_constraint_type(sql_query *query, const char *name, symbol *s, sql_schema *ss, sql_table *t)
930 : {
931 2259 : mvc *sql = query->sql;
932 2259 : int res = SQL_OK;
933 :
934 2259 : switch (s->token) {
935 1362 : case SQL_UNIQUE:
936 : case SQL_UNIQUE_NULLS_NOT_DISTINCT:
937 : case SQL_PRIMARY_KEY:
938 : case SQL_CHECK: {
939 1362 : key_type kt = token2key_type(s->token);
940 1362 : dnode *nms = s->data.lval->h;
941 1362 : sql_key *k;
942 1362 : const char *ns = name;
943 :
944 1362 : if (kt == pkey && t->pkey) {
945 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT PRIMARY KEY: a table can have only one PRIMARY KEY");
946 12 : return SQL_ERR;
947 : }
948 1362 : if (!ns || !*ns) { /* add this to be safe */
949 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: key name name cannot be empty", kt == pkey ? "PRIMARY KEY" : "UNIQUE");
950 0 : return SQL_ERR;
951 : }
952 1362 : while (isdigit((unsigned char) *ns))
953 0 : ns++;
954 1362 : if (!*ns) { /* if a key name just contains digit characters, the generated index name can be mistaken with a label */
955 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: key name cannot contain just digit characters (0 through 9)", kt == pkey ? "PRIMARY KEY" : "UNIQUE");
956 0 : return SQL_ERR;
957 : }
958 1362 : if (ol_find_name(t->keys, name) || mvc_bind_key(sql, ss, name)) {
959 3 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: key '%s' already exists", kt == pkey ? "PRIMARY KEY" : "UNIQUE", name);
960 3 : return SQL_ERR;
961 : }
962 1359 : if (ol_find_name(t->idxs, name) || mvc_bind_idx(sql, ss, name)) {
963 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: an index named '%s' already exists, and it would conflict with the key", kt == pkey ? "PRIMARY KEY" : "UNIQUE", name);
964 0 : return SQL_ERR;
965 : }
966 1359 : char* check = NULL;
967 1359 : sql_rel* check_rel = NULL;
968 :
969 1359 : if (kt == ckey) {
970 21 : if ((check_rel = create_check_plan(query, s, t)) == NULL) {
971 : return -3;
972 : }
973 18 : check = exp2str(sql, check_rel->exps->h->data);
974 : }
975 :
976 1356 : switch (mvc_create_ukey(&k, sql, t, name, kt, check)) {
977 0 : case -1:
978 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
979 0 : return SQL_ERR;
980 0 : case -2:
981 : case -3:
982 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: transaction conflict detected", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
983 0 : return SQL_ERR;
984 : default:
985 1356 : break;
986 : }
987 1356 : node* n = NULL;
988 1356 : if (check) {
989 18 : sql_rel* btrel = check_rel->l;
990 18 : n = btrel->exps->h;
991 : }
992 3310 : while (true) {
993 3310 : const char *nm;
994 3310 : if (check) {
995 40 : if (!n)
996 : break;
997 22 : sql_exp* e = n->data;
998 22 : nm = e->alias.name;
999 22 : n = n->next;
1000 : } else {
1001 3270 : if (!nms)
1002 : break;
1003 1938 : nm = nms->data.sval;
1004 1938 : nms = nms->next;
1005 : }
1006 1960 : sql_column *c = mvc_bind_column(sql, t, nm);
1007 :
1008 1960 : if (!c) {
1009 6 : (void) sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "CONSTRAINT %s: no such column '%s' for table '%s'",
1010 : kt == pkey ? "PRIMARY KEY" : "UNIQUE",
1011 : nm, t->base.name);
1012 6 : return SQL_ERR;
1013 : }
1014 1954 : switch (mvc_create_kc(sql, k, c)) {
1015 0 : case -1:
1016 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1017 0 : return SQL_ERR;
1018 0 : case -2:
1019 : case -3:
1020 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: transaction conflict detected", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
1021 0 : return SQL_ERR;
1022 : default:
1023 : break;
1024 : }
1025 : }
1026 1350 : switch (mvc_create_key_done(sql, k)) {
1027 0 : case -1:
1028 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1029 0 : return SQL_ERR;
1030 0 : case -2:
1031 : case -3:
1032 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "CONSTRAINT %s: transaction conflict detected", (kt == pkey) ? "PRIMARY KEY" : "UNIQUE");
1033 0 : return SQL_ERR;
1034 : default:
1035 1350 : break;
1036 : }
1037 1350 : } break;
1038 897 : case SQL_FOREIGN_KEY:
1039 897 : res = table_foreign_key(sql, name, s, ss, t);
1040 897 : break;
1041 : default:
1042 : res = SQL_ERR;
1043 : }
1044 2247 : if (res != SQL_OK) {
1045 26 : (void) sql_error(sql, 02, SQLSTATE(M0M03) "Table constraint type: wrong token (%p) = %s", s, token2string(s->token));
1046 26 : return SQL_ERR;
1047 : }
1048 : return res;
1049 : }
1050 :
1051 : static int
1052 2259 : table_constraint(sql_query *query, symbol *s, sql_schema *ss, sql_table *t)
1053 : {
1054 2259 : mvc *sql = query->sql;
1055 2259 : int res = SQL_OK;
1056 :
1057 2259 : if (s->token == SQL_CONSTRAINT) {
1058 2259 : dlist *l = s->data.lval;
1059 2259 : char *opt_name = l->h->data.sval;
1060 2259 : symbol *sym = l->h->next->data.sym;
1061 :
1062 2259 : if (!opt_name)
1063 894 : opt_name = table_constraint_name(sql, sym, ss, t);
1064 : else if (s->token)
1065 : if (opt_name == NULL)
1066 : return SQL_ERR;
1067 2259 : res = table_constraint_type(query, opt_name, sym, ss, t);
1068 : }
1069 :
1070 2259 : if (res != SQL_OK) {
1071 38 : (void) sql_error(sql, 02, SQLSTATE(M0M03) "Table constraint: wrong token (%p) = %s", s, token2string(s->token));
1072 38 : return SQL_ERR;
1073 : }
1074 : return res;
1075 : }
1076 :
1077 : static int
1078 52981 : create_column(sql_query *query, symbol *s, sql_schema *ss, sql_table *t, int alter, bool isDeclared)
1079 : {
1080 52981 : mvc *sql = query->sql;
1081 52981 : dlist *l = s->data.lval;
1082 52981 : char *cname = l->h->data.sval;
1083 52981 : sql_subtype *ctype = &l->h->next->data.typeval;
1084 52981 : dlist *opt_list = NULL;
1085 52981 : int res = SQL_OK;
1086 :
1087 52981 : (void) ss;
1088 52981 : if (alter && !(isTable(t) || ((isMergeTable(t) || isReplicaTable(t)) && list_length(t->members)==0))) {
1089 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot add column to %s '%s'%s",
1090 0 : TABLE_TYPE_DESCRIPTION(t->type, t->properties),
1091 0 : t->base.name, ((isMergeTable(t) || isReplicaTable(t)) && list_length(t->members)) ? " while it has partitions" : "");
1092 0 : return SQL_ERR;
1093 : }
1094 52981 : if (l->h->next->next)
1095 52981 : opt_list = l->h->next->next->data.lval;
1096 :
1097 52981 : if (cname && ctype) {
1098 52981 : sql_column *cs = NULL;
1099 :
1100 52981 : if (!isView(t) && cname && cname[0] == '%') {
1101 0 : (void) sql_error(sql, 01, SQLSTATE(42000) "%s TABLE: generated labels not allowed in column names, use an alias instead", (alter)?"ALTER":"CREATE");
1102 9 : return SQL_ERR;
1103 52981 : } else if (ctype->type->eclass == EC_ANY) {
1104 0 : (void) sql_error(sql, 01, SQLSTATE(42000) "%s TABLE: any type (plain null value) not allowed as a column type, use an explicit cast", (alter)?"ALTER":"CREATE");
1105 0 : return SQL_ERR;
1106 52981 : } else if ((cs = find_sql_column(t, cname))) {
1107 2 : (void) sql_error(sql, 02, SQLSTATE(42S21) "%s TABLE: a column named '%s' already exists", (alter)?"ALTER":"CREATE", cname);
1108 2 : return SQL_ERR;
1109 : }
1110 52979 : switch (mvc_create_column(&cs, sql, t, cname, ctype)) {
1111 0 : case -1:
1112 0 : (void) sql_error(sql, 01, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1113 0 : return SQL_ERR;
1114 0 : case -2:
1115 : case -3:
1116 0 : (void) sql_error(sql, 01, SQLSTATE(42000) "%s TABLE: transaction conflict detected", (alter)?"ALTER":"CREATE");
1117 0 : return SQL_ERR;
1118 : default:
1119 52979 : break;
1120 : }
1121 52979 : if (column_options(query, opt_list, ss, t, cs, isDeclared) == SQL_ERR)
1122 : return SQL_ERR;
1123 : }
1124 : return res;
1125 : }
1126 :
1127 : static int
1128 55638 : table_element(sql_query *query, symbol *s, sql_schema *ss, sql_table *t, int alter, bool isDeclared, const char *action)
1129 : {
1130 55638 : mvc *sql = query->sql;
1131 55638 : int res = SQL_OK;
1132 :
1133 55638 : if (alter &&
1134 1260 : (isView(t) ||
1135 1252 : ((isMergeTable(t) || isReplicaTable(t)) && (s->token != SQL_TABLE && s->token != SQL_DROP_TABLE && list_length(t->members))) ||
1136 2494 : (isTable(t) && (s->token == SQL_TABLE || s->token == SQL_DROP_TABLE)) ||
1137 1247 : (partition_find_part(sql->session->tr, t, NULL) &&
1138 5 : (s->token == SQL_DROP_COLUMN || s->token == SQL_COLUMN || s->token == SQL_CONSTRAINT ||
1139 : s->token == SQL_DEFAULT || s->token == SQL_DROP_DEFAULT || s->token == SQL_NOT_NULL || s->token == SQL_NULL || s->token == SQL_DROP_CONSTRAINT)))){
1140 18 : const char *msg = "";
1141 :
1142 18 : switch (s->token) {
1143 : case SQL_TABLE:
1144 : msg = "add table to";
1145 : break;
1146 3 : case SQL_COLUMN:
1147 3 : msg = "add column to";
1148 3 : break;
1149 4 : case SQL_CONSTRAINT:
1150 4 : msg = "add constraint to";
1151 4 : break;
1152 4 : case SQL_COLUMN_OPTIONS:
1153 : case SQL_DEFAULT:
1154 : case SQL_NOT_NULL:
1155 : case SQL_NULL:
1156 4 : msg = "set column options for";
1157 4 : break;
1158 0 : case SQL_STORAGE:
1159 0 : msg = "set column storage for";
1160 0 : break;
1161 0 : case SQL_DROP_DEFAULT:
1162 0 : msg = "drop default column option from";
1163 0 : break;
1164 0 : case SQL_DROP_TABLE:
1165 0 : msg = "drop table from";
1166 0 : break;
1167 5 : case SQL_DROP_COLUMN:
1168 5 : msg = "drop column from";
1169 5 : break;
1170 2 : case SQL_DROP_CONSTRAINT:
1171 2 : msg = "drop constraint from";
1172 2 : break;
1173 0 : default:
1174 0 : sql_error(sql, 02, SQLSTATE(M0M03) "%s: Unknown table element (%p)->token = %s\n", action, s, token2string(s->token));
1175 0 : return SQL_ERR;
1176 : }
1177 18 : sql_error(sql, 02, SQLSTATE(42000) "%s: cannot %s %s '%s'%s\n",
1178 : action,
1179 : msg,
1180 18 : partition_find_part(sql->session->tr, t, NULL)?"a PARTITION of a MERGE or REPLICA TABLE":
1181 13 : TABLE_TYPE_DESCRIPTION(t->type, t->properties),
1182 18 : t->base.name, ((isMergeTable(t) || isReplicaTable(t)) && list_length(t->members)) ? " while it has partitions" : "");
1183 18 : return SQL_ERR;
1184 : }
1185 :
1186 55620 : switch (s->token) {
1187 52981 : case SQL_COLUMN:
1188 52981 : res = create_column(query, s, ss, t, alter, isDeclared);
1189 52981 : break;
1190 2259 : case SQL_CONSTRAINT:
1191 2259 : res = table_constraint(query, s, ss, t);
1192 2259 : break;
1193 0 : case SQL_COLUMN_OPTIONS:
1194 : {
1195 0 : dnode *n = s->data.lval->h;
1196 0 : char *cname = n->data.sval;
1197 0 : sql_column *c = mvc_bind_column(sql, t, cname);
1198 0 : dlist *olist = n->next->data.lval;
1199 :
1200 0 : if (!c) {
1201 0 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "%s: no such column '%s'\n", action, cname);
1202 0 : return SQL_ERR;
1203 : } else {
1204 0 : return column_options(query, olist, ss, t, c, isDeclared);
1205 : }
1206 22 : } break;
1207 22 : case SQL_DEFAULT:
1208 : {
1209 22 : char *r, *err = NULL;
1210 22 : dlist *l = s->data.lval;
1211 22 : char *cname = l->h->data.sval;
1212 22 : symbol *sym = l->h->next->data.sym;
1213 22 : sql_column *c = mvc_bind_column(sql, t, cname);
1214 :
1215 22 : if (!c) {
1216 3 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "%s: no such column '%s'\n", action, cname);
1217 5 : return SQL_ERR;
1218 : }
1219 19 : if (sym->token == SQL_COLUMN || sym->token == SQL_IDENT || sym->token == SQL_NEXT) {
1220 7 : exp_kind ek = {type_value, card_value, FALSE};
1221 7 : sql_exp *e = rel_logical_value_exp(query, NULL, sym, sql_sel, ek);
1222 :
1223 7 : if (!e)
1224 1 : return SQL_ERR;
1225 6 : if (e && is_atom(e->type)) {
1226 0 : atom *a = exp_value(sql, e);
1227 :
1228 0 : if (a && atom_null(a)) {
1229 0 : switch (mvc_default(sql, c, NULL)) {
1230 0 : case -1:
1231 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1232 0 : return SQL_ERR;
1233 0 : case -2:
1234 : case -3:
1235 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "DEFAULT: transaction conflict detected while setting default value");
1236 0 : return SQL_ERR;
1237 : default:
1238 0 : break;
1239 : }
1240 0 : break;
1241 : }
1242 : }
1243 : /* reset error */
1244 6 : sql->session->status = 0;
1245 6 : sql->errstr[0] = '\0';
1246 : }
1247 18 : r = symbol2string(sql, sym, 0, &err);
1248 18 : if (!r) {
1249 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "%s: incorrect default value '%s'\n", action, err?err:"");
1250 1 : return SQL_ERR;
1251 : }
1252 17 : switch (mvc_default(sql, c, r)) {
1253 0 : case -1:
1254 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1255 0 : return SQL_ERR;
1256 0 : case -2:
1257 : case -3:
1258 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "DEFAULT: transaction conflict detected while setting default value");
1259 0 : return SQL_ERR;
1260 : default:
1261 17 : break;
1262 : }
1263 : }
1264 17 : break;
1265 0 : case SQL_STORAGE:
1266 : {
1267 0 : dlist *l = s->data.lval;
1268 0 : char *cname = l->h->data.sval;
1269 0 : char *storage_type = l->h->next->data.sval;
1270 0 : sql_column *c = mvc_bind_column(sql, t, cname);
1271 :
1272 0 : if (!c) {
1273 0 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "%s: no such column '%s'\n", action, cname);
1274 0 : return SQL_ERR;
1275 : }
1276 0 : switch (mvc_storage(sql, c, storage_type)) {
1277 0 : case -1:
1278 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1279 0 : return SQL_ERR;
1280 0 : case -2:
1281 : case -3:
1282 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "STORAGE: transaction conflict detected");
1283 0 : return SQL_ERR;
1284 : default:
1285 : break;
1286 : }
1287 : }
1288 : break;
1289 45 : case SQL_NOT_NULL:
1290 : case SQL_NULL:
1291 : {
1292 45 : dnode *n = s->data.lval->h;
1293 45 : char *cname = n->data.sval;
1294 45 : sql_column *c = mvc_bind_column(sql, t, cname);
1295 45 : int null = (s->token != SQL_NOT_NULL);
1296 :
1297 45 : if (!c) {
1298 4 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "%s: no such column '%s'\n", action, cname);
1299 4 : return SQL_ERR;
1300 : }
1301 41 : switch (mvc_null(sql, c, null)) {
1302 0 : case -1:
1303 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1304 0 : return SQL_ERR;
1305 0 : case -2:
1306 : case -3:
1307 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "NULL CONSTRAINT: transaction conflict detected");
1308 0 : return SQL_ERR;
1309 : default:
1310 : break;
1311 : }
1312 : } break;
1313 8 : case SQL_DROP_DEFAULT:
1314 : {
1315 8 : char *cname = s->data.sval;
1316 8 : sql_column *c = mvc_bind_column(sql, t, cname);
1317 8 : if (!c) {
1318 2 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "%s: no such column '%s'\n", action, cname);
1319 2 : return SQL_ERR;
1320 : }
1321 6 : switch (mvc_drop_default(sql, c)) {
1322 0 : case -1:
1323 0 : (void) sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1324 0 : return SQL_ERR;
1325 0 : case -2:
1326 : case -3:
1327 0 : (void) sql_error(sql, 02, SQLSTATE(42000) "DEFAULT: transaction conflict detected while setting default value");
1328 0 : return SQL_ERR;
1329 : default:
1330 : break;
1331 : }
1332 : } break;
1333 69 : case SQL_LIKE:
1334 : {
1335 69 : char *sname = qname_schema(s->data.lval);
1336 69 : char *name = qname_schema_object(s->data.lval);
1337 69 : sql_table *ot = NULL;
1338 :
1339 69 : if (!(ot = find_table_or_view_on_scope(sql, ss, sname, name, action, false)))
1340 : return SQL_ERR;
1341 143 : for (node *n = ol_first_node(ot->columns); n; n = n->next) {
1342 76 : sql_column *oc = n->data, *nc = NULL;
1343 :
1344 76 : if (!isView(t) && oc->base.name && oc->base.name[0] == '%') {
1345 0 : sql_error(sql, 02, SQLSTATE(42000) "%s: generated labels not allowed in column names, use an alias instead", action);
1346 2 : return SQL_ERR;
1347 76 : } else if (mvc_bind_column(sql, t, oc->base.name)) {
1348 2 : sql_error(sql, 02, SQLSTATE(42S21) "%s: a column named '%s' already exists\n", action, oc->base.name);
1349 2 : return SQL_ERR;
1350 : }
1351 74 : assert(oc->type.type->eclass != EC_ANY);
1352 74 : switch (mvc_create_column(&nc, sql, t, oc->base.name, &oc->type)) {
1353 0 : case -1:
1354 0 : sql_error(sql, 01, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1355 0 : return SQL_ERR;
1356 0 : case -2:
1357 : case -3:
1358 0 : sql_error(sql, 01, SQLSTATE(42000) "%s: transaction conflict detected", action);
1359 0 : return SQL_ERR;
1360 : default:
1361 74 : break;
1362 : }
1363 : }
1364 : } break;
1365 86 : case SQL_DROP_COLUMN:
1366 : {
1367 86 : dlist *l = s->data.lval;
1368 86 : char *cname = l->h->data.sval;
1369 86 : int drop_action = l->h->next->data.i_val;
1370 86 : sql_column *col = mvc_bind_column(sql, t, cname);
1371 :
1372 86 : assert(l->h->next->type == type_int);
1373 86 : if (col == NULL) {
1374 9 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "%s: no such column '%s'\n", action, cname);
1375 9 : return SQL_ERR;
1376 : }
1377 77 : if (ol_length(t->columns) <= 1) {
1378 2 : sql_error(sql, 02, SQLSTATE(42000) "%s: cannot drop column '%s': table needs at least one column\n", action, cname);
1379 2 : return SQL_ERR;
1380 : }
1381 75 : if (t->system) {
1382 0 : sql_error(sql, 02, SQLSTATE(42000) "%s: cannot drop column '%s': table is a system table\n", action, cname);
1383 0 : return SQL_ERR;
1384 : }
1385 75 : if (isView(t)) {
1386 0 : sql_error(sql, 02, SQLSTATE(42000) "%s: cannot drop column '%s': '%s' is a view\n", action, cname, t->base.name);
1387 0 : return SQL_ERR;
1388 : }
1389 75 : if (!drop_action && mvc_check_dependency(sql, col->base.id, COLUMN_DEPENDENCY, NULL)) {
1390 3 : sql_error(sql, 02, SQLSTATE(2BM37) "%s: cannot drop column '%s': there are database objects which depend on it\n", action, cname);
1391 3 : return SQL_ERR;
1392 : }
1393 64 : if (!drop_action && t->keys) {
1394 64 : node *n, *m;
1395 :
1396 64 : for (n = ol_first_node(t->keys); n; n = n->next) {
1397 0 : sql_key *k = n->data;
1398 0 : for (m = k->columns->h; m; m = m->next) {
1399 0 : sql_kc *kc = m->data;
1400 0 : if (strcmp(kc->c->base.name, cname) == 0) {
1401 0 : sql_error(sql, 02, SQLSTATE(2BM37) "%s: cannot drop column '%s': there are constraints which depend on it\n", action, cname);
1402 0 : return SQL_ERR;
1403 : }
1404 : }
1405 : }
1406 : }
1407 72 : if (isPartitionedByColumnTable(t) && t->part.pcol->base.id == col->base.id) {
1408 2 : sql_error(sql, 02, SQLSTATE(42000) "%s: cannot drop column '%s': is the partitioned column on the table '%s'\n", action, cname, t->base.name);
1409 2 : return SQL_ERR;
1410 : }
1411 70 : if (isPartitionedByExpressionTable(t)) {
1412 8 : for (node *n = t->part.pexp->cols->h; n; n = n->next) {
1413 6 : int next = *(int*) n->data;
1414 6 : if (next == col->colnr) {
1415 2 : sql_error(sql, 02, SQLSTATE(42000) "%s: cannot drop column '%s': the expression used in '%s' depends on it\n", action, cname, t->base.name);
1416 2 : return SQL_ERR;
1417 : }
1418 : }
1419 : }
1420 68 : switch (mvc_drop_column(sql, t, col, drop_action)) {
1421 0 : case -1:
1422 0 : sql_error(sql, 02, SQLSTATE(42000) "%s: %s\n", action, MAL_MALLOC_FAIL);
1423 0 : return SQL_ERR;
1424 0 : case -2:
1425 : case -3:
1426 0 : sql_error(sql, 02, SQLSTATE(42000) "%s: transaction conflict detected\n", action);
1427 0 : return SQL_ERR;
1428 : default:
1429 : break;
1430 : }
1431 : } break;
1432 : case SQL_DROP_CONSTRAINT:
1433 : res = SQL_OK;
1434 : break;
1435 : default:
1436 : res = SQL_ERR;
1437 : }
1438 55324 : if (res == SQL_ERR) {
1439 47 : sql_error(sql, 02, SQLSTATE(M0M03) "%s: Unknown table element (%p)->token = %s\n", action, s, token2string(s->token));
1440 47 : return SQL_ERR;
1441 : }
1442 : return res;
1443 : }
1444 :
1445 : static int
1446 10072 : create_partition_definition(mvc *sql, sql_table *t, symbol *partition_def)
1447 : {
1448 10072 : char *err = NULL;
1449 :
1450 10072 : if (partition_def) {
1451 107 : dlist *list = partition_def->data.lval;
1452 107 : symbol *type = list->h->next->data.sym;
1453 107 : dlist *list2 = type->data.lval;
1454 107 : if (isPartitionedByColumnTable(t)) {
1455 84 : str colname = list2->h->data.sval;
1456 84 : node *n;
1457 84 : sql_class sql_ec;
1458 100 : for (n = ol_first_node(t->columns); n ; n = n->next) {
1459 98 : sql_column *col = n->data;
1460 98 : if (!strcmp(col->base.name, colname)) {
1461 82 : t->part.pcol = col;
1462 82 : break;
1463 : }
1464 : }
1465 84 : if (!t->part.pcol) {
1466 2 : sql_error(sql, 02, SQLSTATE(42000) "CREATE MERGE TABLE: the partition column '%s' is not part of the table", colname);
1467 2 : return SQL_ERR;
1468 : }
1469 82 : sql_ec = t->part.pcol->type.type->eclass;
1470 82 : if (!(sql_ec == EC_BIT || EC_VARCHAR(sql_ec) || EC_TEMP(sql_ec) || sql_ec == EC_POS || sql_ec == EC_NUM ||
1471 2 : EC_INTERVAL(sql_ec)|| sql_ec == EC_DEC || sql_ec == EC_BLOB)) {
1472 2 : err = sql_subtype_string(sql->ta, &(t->part.pcol->type));
1473 2 : sql_error(sql, 02, SQLSTATE(42000) "CREATE MERGE TABLE: column type %s not yet supported for the partition column", err);
1474 2 : return SQL_ERR;
1475 : }
1476 23 : } else if (isPartitionedByExpressionTable(t)) {
1477 23 : char *query = symbol2string(sql, list2->h->data.sym, 1, &err);
1478 23 : if (!query) {
1479 1 : (void) sql_error(sql, 02, SQLSTATE(42000) "CREATE MERGE TABLE: error compiling expression '%s'", err?err:"");
1480 1 : return SQL_ERR;
1481 : }
1482 22 : t->part.pexp = SA_ZNEW(sql->sa, sql_expression);
1483 22 : t->part.pexp->exp = query;
1484 22 : t->part.pexp->type = *sql_bind_localtype("void");
1485 : }
1486 : }
1487 : return SQL_OK;
1488 : }
1489 :
1490 : sql_rel *
1491 10232 : rel_create_table(sql_query *query, int temp, const char *sname, const char *name, bool global, symbol *table_elements_or_subquery,
1492 : int commit_action, const char *loc, const char *username, const char *password, bool pw_encrypted,
1493 : symbol* partition_def, int if_not_exists)
1494 : {
1495 10232 : mvc *sql = query->sql;
1496 10232 : int tt = (temp == SQL_REMOTE)?tt_remote:
1497 : (temp == SQL_MERGE_TABLE)?tt_merge_table:
1498 : (temp == SQL_REPLICA_TABLE)?tt_replica_table:
1499 : (temp == SQL_UNLOGGED_TABLE)?tt_unlogged_table:tt_table;
1500 10232 : bit properties = partition_def ? (bit) partition_def->data.lval->h->next->next->data.i_val : 0;
1501 10232 : sql_table *t = NULL;
1502 10232 : const char *action = (temp == SQL_DECLARED_TABLE)?"DECLARE":"CREATE";
1503 10232 : sql_schema *s = cur_schema(sql);
1504 :
1505 10232 : if (sname && !(s = mvc_bind_schema(sql, sname)))
1506 1 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(3F000) "%s TABLE: no such schema '%s'", action, sname);
1507 :
1508 10231 : if ((temp != SQL_PERSIST && tt == tt_table && commit_action == CA_COMMIT) || temp == SQL_DECLARE)
1509 195 : commit_action = CA_DELETE;
1510 :
1511 10231 : if (temp == SQL_LOCAL_TEMP || temp == SQL_GLOBAL_TEMP) {
1512 112 : if (sname && strcmp(sname, "tmp") != 0)
1513 7 : return sql_error(sql, 02, SQLSTATE(3F000) "%s TABLE: %s temporary tables should be stored in the 'tmp' schema",
1514 : action, (temp == SQL_LOCAL_TEMP) ? "local" : "global");
1515 107 : s = tmp_schema(sql);
1516 : }
1517 :
1518 10226 : if (global && mvc_bind_table(sql, s, name)) {
1519 8 : if (if_not_exists)
1520 2 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
1521 6 : return sql_error(sql, 02, SQLSTATE(42S01) "%s TABLE: name '%s' already in use", action, name);
1522 121 : } else if (!global && frame_find_table(sql, name)) {
1523 1 : assert(temp == SQL_DECLARED_TABLE);
1524 1 : if (if_not_exists)
1525 0 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
1526 1 : return sql_error(sql, 02, SQLSTATE(42S01) "%s TABLE: name '%s' already declared", action, name);
1527 10217 : } else if (temp != SQL_DECLARED_TABLE && (!mvc_schema_privs(sql, s) && !(isTempSchema(s) && temp == SQL_LOCAL_TEMP))){
1528 4 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE TABLE: insufficient privileges for user '%s' in schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
1529 10213 : } else if ((temp == SQL_PERSIST || temp == SQL_MERGE_TABLE || temp == SQL_REMOTE || temp == SQL_REPLICA_TABLE || temp == SQL_UNLOGGED_TABLE) && isTempSchema(s)) {
1530 7 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE %s: cannot create persistent table '%s' in the schema '%s'", TABLE_TYPE_DESCRIPTION(tt, properties), name, s->base.name);
1531 10207 : } else if (table_elements_or_subquery->token == SQL_CREATE_TABLE) {
1532 : /* table element list */
1533 10092 : dnode *n;
1534 10092 : dlist *columns = table_elements_or_subquery->data.lval;
1535 10092 : int res = LOG_OK;
1536 :
1537 10092 : if (tt == tt_remote) {
1538 97 : if (!mapiuri_valid(loc))
1539 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: incorrect uri '%s' for remote table '%s'", action, loc, name);
1540 97 : res = mvc_create_remote(&t, sql, s, name, SQL_DECLARED_TABLE, loc);
1541 : } else {
1542 9995 : res = mvc_create_table(&t, sql, s, name, tt, 0, SQL_DECLARED_TABLE, commit_action, -1, properties);
1543 : }
1544 10092 : switch (res) {
1545 0 : case -1:
1546 0 : return sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1547 0 : case -2:
1548 : case -3:
1549 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: transaction conflict detected", action);
1550 0 : case -4:
1551 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: the partition's expression is too long", action);
1552 : case -5:
1553 : return NULL;
1554 : default:
1555 10092 : break;
1556 : }
1557 :
1558 64450 : for (n = columns->h; n; n = n->next) {
1559 54378 : symbol *sym = n->data.sym;
1560 108533 : int res = table_element(query, sym, s, t, 0, (temp == SQL_DECLARED_TABLE), (temp == SQL_DECLARED_TABLE)?"DECLARE TABLE":"CREATE TABLE");
1561 :
1562 54378 : if (res == SQL_ERR)
1563 : return NULL;
1564 : }
1565 :
1566 10072 : if (create_partition_definition(sql, t, partition_def) != SQL_OK)
1567 : return NULL;
1568 :
1569 10067 : temp = (tt == tt_table)?temp:SQL_PERSIST;
1570 :
1571 395 : if (tt == tt_remote)
1572 97 : return rel_create_remote(sql, ddl_create_table, s->base.name, t, pw_encrypted, username, password);
1573 9970 : return rel_table(sql, ddl_create_table, s->base.name, t, temp);
1574 : } else { /* [col name list] as subquery with or without data */
1575 115 : sql_rel *sq = NULL, *res = NULL;
1576 115 : dlist *as_sq = table_elements_or_subquery->data.lval;
1577 115 : dlist *column_spec = as_sq->h->data.lval;
1578 115 : symbol *subquery = as_sq->h->next->data.sym;
1579 115 : int with_data = as_sq->h->next->next->data.i_val;
1580 :
1581 115 : assert(as_sq->h->next->next->type == type_int);
1582 115 : sq = rel_selects(query, subquery);
1583 115 : if (!sq)
1584 : return NULL;
1585 112 : if (!is_project(sq->op)) /* make sure sq is a projection */
1586 6 : sq = rel_project(sql->sa, sq, rel_projections(sql, sq, NULL, 1, 1));
1587 :
1588 112 : if ((tt != tt_table && tt != tt_unlogged_table) && with_data)
1589 3 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: cannot create %s 'with data'", action,
1590 3 : TABLE_TYPE_DESCRIPTION(tt, properties));
1591 :
1592 : /* create table */
1593 6 : if (tt == tt_remote) {
1594 4 : if (!mapiuri_valid(loc))
1595 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s TABLE: incorrect uri '%s' for remote table '%s'", action, loc, name);
1596 8 : if ((t = mvc_create_remote_as_subquery(sql, sq, s, name, column_spec, loc, (temp == SQL_DECLARED_TABLE)?"DECLARE TABLE":"CREATE TABLE")) == NULL) {
1597 0 : rel_destroy(sq);
1598 0 : return NULL;
1599 : }
1600 : } else {
1601 207 : if ((t = mvc_create_table_as_subquery(sql, sq, s, name, column_spec, temp, commit_action, (temp == SQL_DECLARED_TABLE)?"DECLARE TABLE":"CREATE TABLE")) == NULL) {
1602 3 : rel_destroy(sq);
1603 3 : return NULL;
1604 : }
1605 : }
1606 :
1607 : /* insert query result into this table */
1608 106 : if (tt == tt_remote) {
1609 4 : res = rel_create_remote(sql, ddl_create_table, s->base.name, t, pw_encrypted, username, password);
1610 : /* we cannot insert in remote so just remove the subquery */
1611 4 : rel_destroy(sq);
1612 : } else {
1613 105 : res = rel_table(sql, ddl_create_table, s->base.name, t, (tt == tt_table)?temp:SQL_PERSIST);
1614 102 : if (with_data) {
1615 95 : res = rel_insert(query->sql, res, sq);
1616 : } else {
1617 7 : rel_destroy(sq);
1618 : }
1619 : }
1620 106 : return res;
1621 : }
1622 : /*return NULL;*/ /* never reached as all branches of the above if () end with return ... */
1623 : }
1624 :
1625 : static sql_rel *
1626 78706 : rel_create_view(sql_query *query, int temp, dlist *qname, dlist *column_spec, symbol *ast, int check, int persistent, int replace)
1627 : {
1628 78706 : mvc *sql = query->sql;
1629 78706 : const char *name = qname_schema_object(qname);
1630 78706 : const char *sname = qname_schema(qname);
1631 78706 : sql_schema *s = cur_schema(sql);
1632 78706 : sql_table *t = NULL;
1633 78706 : int instantiate = (sql->emode == m_instantiate || !persistent);
1634 78706 : int deps = (sql->emode == m_deps);
1635 78706 : int create = (!instantiate && !deps);
1636 78706 : sqlid pfoundid = 0, foundid = 0;
1637 78706 : const char *base = replace ? "CREATE OR REPLACE VIEW" : "CREATE VIEW";
1638 78706 : const char *action = (temp == SQL_DECLARED_TABLE)?"DECLARE":"CREATE";
1639 :
1640 78706 : (void) check; /* Stefan: unused!? */
1641 :
1642 78706 : if (temp == SQL_GLOBAL_TEMP)
1643 0 : temp = SQL_PERSIST; /* just normal view */
1644 :
1645 78706 : if (temp == SQL_LOCAL_TEMP || temp == SQL_GLOBAL_TEMP) {
1646 0 : if (sname && strcmp(sname, "tmp") != 0)
1647 0 : return sql_error(sql, 02, SQLSTATE(3F000) "%s VIEW: %s temporary views should be stored in the 'tmp' schema",
1648 : action, (temp == SQL_LOCAL_TEMP) ? "local" : "global");
1649 0 : s = tmp_schema(sql);
1650 78706 : } else if (sname && !(s = mvc_bind_schema(sql, sname)))
1651 0 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(3F000) "%s: no such schema '%s'", base, sname);
1652 78706 : if (create && (!mvc_schema_privs(sql, s) && !(isTempSchema(s) && persistent == SQL_LOCAL_TEMP)))
1653 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s: access denied for %s to schema '%s'", base, get_string_global_var(sql, "current_user"), s->base.name);
1654 22277 : if (create && (t = mvc_bind_table(sql, s, name))) {
1655 21 : if (!replace)
1656 1 : return sql_error(sql, 02, SQLSTATE(42S01) "%s: name '%s' already in use", base, name);
1657 20 : if (!isView(t))
1658 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s: '%s' is not a view", base, name);
1659 20 : if (t->system)
1660 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s: cannot replace system view '%s'", base, name);
1661 20 : foundid = t->base.id; /* when recreating a view, the view itself can't be found */
1662 : }
1663 :
1664 78705 : if (ast) {
1665 78705 : sql_rel *sq = NULL;
1666 78705 : char *q = QUERY(sql->scanner);
1667 78705 : symbol *sym = ast;
1668 :
1669 78705 : if (sym->token == SQL_WITH)
1670 5639 : sym = sym->data.lval->h->next->data.sym;
1671 78705 : if (sym->token == SQL_SELECT) {
1672 75850 : SelectNode *sn = (SelectNode *) sym;
1673 :
1674 75850 : if (sn->limit || sn->sample)
1675 4 : return sql_error(sql, 01, SQLSTATE(42000) "%s: %s not supported", base, sn->limit ? "LIMIT" : "SAMPLE");
1676 : }
1677 :
1678 78702 : pfoundid = sql->objid;
1679 78702 : sql->objid = foundid; /* when recreating a view, the view itself can't be found */
1680 78702 : sq = schema_selects(query, s, ast);
1681 78702 : sql->objid = pfoundid;
1682 78702 : if (!sq)
1683 : return NULL;
1684 78687 : if (!is_project(sq->op)) /* make sure sq is a projection */
1685 0 : sq = rel_project(sql->sa, sq, rel_projections(sql, sq, NULL, 1, 1));
1686 :
1687 78687 : if (!create) {
1688 56424 : if (column_spec) {
1689 13764 : dnode *n = column_spec->h;
1690 13764 : node *m = sq->exps->h;
1691 :
1692 63449 : for (; n && m; n = n->next, m = m->next)
1693 : ;
1694 13764 : if (n || m) {
1695 2 : sql_error(sql, 01, SQLSTATE(21S02) "WITH CLAUSE: number of columns does not match");
1696 2 : rel_destroy(sq);
1697 2 : return NULL;
1698 : }
1699 : }
1700 : }
1701 :
1702 56422 : if (create) {
1703 22263 : q = query_cleaned(sql->ta, q);
1704 22263 : switch (mvc_create_view(&t, sql, s, name, SQL_DECLARED_TABLE, q, 0)) {
1705 0 : case -1:
1706 0 : return sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
1707 0 : case -2:
1708 : case -3:
1709 0 : return sql_error(sql, 02, SQLSTATE(42000) "%s: transaction conflict detected", base);
1710 : default:
1711 22263 : break;
1712 : }
1713 22263 : if (as_subquery(sql, t, tt_view, sq, column_spec, base) != 0) {
1714 1 : rel_destroy(sq);
1715 1 : return NULL;
1716 : }
1717 22262 : return rel_create_view_ddl(sql, ddl_create_view, s->base.name, t, temp, replace);
1718 : }
1719 56422 : if (!persistent && column_spec)
1720 12104 : sq = view_rename_columns(sql, name, sq, column_spec);
1721 56422 : if (sq && is_simple_project(sq->op) && sq->l && sq->exps && sq->card == CARD_AGGR) {
1722 4027 : exps_setcard(sq->exps, CARD_MULTI);
1723 4027 : sq->card = CARD_MULTI;
1724 : }
1725 56422 : return sq;
1726 : }
1727 : return NULL;
1728 : }
1729 :
1730 : static sql_rel *
1731 321 : rel_schema2(allocator *sa, int cat_type, char *sname, char *auth, int nr)
1732 : {
1733 321 : sql_rel *rel = rel_create(sa);
1734 321 : list *exps = new_exp_list(sa);
1735 321 : if (!rel || !exps)
1736 : return NULL;
1737 :
1738 321 : append(exps, exp_atom_clob(sa, sname));
1739 321 : append(exps, exp_atom_clob(sa, auth));
1740 321 : append(exps, exp_atom_int(sa, nr));
1741 321 : rel->l = NULL;
1742 321 : rel->r = NULL;
1743 321 : rel->op = op_ddl;
1744 321 : rel->flag = cat_type;
1745 321 : rel->exps = exps;
1746 321 : rel->card = 0;
1747 321 : rel->nrcols = 0;
1748 321 : return rel;
1749 : }
1750 :
1751 : static sql_rel *
1752 902 : rel_schema3(allocator *sa, int cat_type, char *sname, char *tname, char *name)
1753 : {
1754 902 : sql_rel *rel = rel_create(sa);
1755 902 : list *exps = new_exp_list(sa);
1756 902 : if (!rel || !exps)
1757 : return NULL;
1758 :
1759 902 : append(exps, exp_atom_clob(sa, sname));
1760 902 : append(exps, exp_atom_clob(sa, tname));
1761 902 : append(exps, exp_atom_clob(sa, name));
1762 902 : rel->l = NULL;
1763 902 : rel->r = NULL;
1764 902 : rel->op = op_ddl;
1765 902 : rel->flag = cat_type;
1766 902 : rel->exps = exps;
1767 902 : rel->card = 0;
1768 902 : rel->nrcols = 0;
1769 902 : return rel;
1770 : }
1771 :
1772 : static sql_rel *
1773 5 : rel_drop_type(mvc *sql, dlist *qname, int drop_action)
1774 : {
1775 5 : char *name = qname_schema_object(qname);
1776 5 : char *sname = qname_schema(qname);
1777 5 : sql_type *t = NULL;
1778 :
1779 5 : if (!(t = find_type_on_scope(sql, sname, name, "DROP TYPE")))
1780 : return NULL;
1781 4 : if (!mvc_schema_privs(sql, t->s))
1782 0 : return sql_error(sql, 02, SQLSTATE(42000) "DROP TYPE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), t->s->base.name);
1783 4 : return rel_schema2(sql->sa, ddl_drop_type, t->s->base.name, name, drop_action);
1784 : }
1785 :
1786 : static sql_rel *
1787 902 : rel_create_type(mvc *sql, dlist *qname, char *impl)
1788 : {
1789 902 : char *name = qname_schema_object(qname);
1790 902 : char *sname = qname_schema(qname);
1791 902 : sql_schema *s = cur_schema(sql);
1792 :
1793 902 : if (sname && !(s = mvc_bind_schema(sql, sname)))
1794 0 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(3F000) "CREATE TYPE: no such schema '%s'", sname);
1795 902 : if (schema_bind_type(sql, s, name) != NULL)
1796 0 : return sql_error(sql, 02, SQLSTATE(42S01) "CREATE TYPE: name '%s' already in use", name);
1797 902 : if (!mvc_schema_privs(sql, s))
1798 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE TYPE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
1799 902 : return rel_schema3(sql->sa, ddl_create_type, s->base.name, name, impl);
1800 : }
1801 :
1802 : static char *
1803 1272 : dlist_get_schema_name(dlist *name_auth)
1804 : {
1805 1272 : assert(name_auth && name_auth->h);
1806 1272 : return name_auth->h->data.sval;
1807 : }
1808 :
1809 : static char *
1810 1081 : schema_auth(dlist *name_auth)
1811 : {
1812 1081 : assert(name_auth && name_auth->h && dlist_length(name_auth) == 2);
1813 1081 : return name_auth->h->next->data.sval;
1814 : }
1815 :
1816 : static sql_rel *
1817 4321 : rel_drop(allocator *sa, int cat_type, char *sname, char *first_val, char *second_val, int nr, int exists_check)
1818 : {
1819 4321 : sql_rel *rel = rel_create(sa);
1820 4321 : list *exps = new_exp_list(sa);
1821 :
1822 4321 : append(exps, exp_atom_int(sa, nr));
1823 4321 : append(exps, exp_atom_clob(sa, sname));
1824 4321 : if (first_val)
1825 4130 : append(exps, exp_atom_clob(sa, first_val));
1826 4321 : if (second_val)
1827 150 : append(exps, exp_atom_clob(sa, second_val));
1828 4321 : append(exps, exp_atom_int(sa, exists_check));
1829 4321 : rel->l = NULL;
1830 4321 : rel->r = NULL;
1831 4321 : rel->op = op_ddl;
1832 4321 : rel->flag = cat_type;
1833 4321 : rel->exps = exps;
1834 4321 : rel->card = 0;
1835 4321 : rel->nrcols = 0;
1836 4321 : return rel;
1837 : }
1838 :
1839 : static sql_rel *
1840 1078 : rel_create_schema_dll(allocator *sa, char *sname, char *auth, int nr)
1841 : {
1842 1078 : sql_rel *rel = rel_create(sa);
1843 1078 : list *exps = new_exp_list(sa);
1844 1078 : if (!rel || !exps)
1845 : return NULL;
1846 :
1847 1078 : append(exps, exp_atom_int(sa, nr));
1848 1078 : append(exps, exp_atom_clob(sa, sname));
1849 1078 : if (auth)
1850 38 : append(exps, exp_atom_clob(sa, auth));
1851 1078 : rel->l = NULL;
1852 1078 : rel->r = NULL;
1853 1078 : rel->op = op_ddl;
1854 1078 : rel->flag = ddl_create_schema;
1855 1078 : rel->exps = exps;
1856 1078 : rel->card = 0;
1857 1078 : rel->nrcols = 0;
1858 1078 : return rel;
1859 : }
1860 :
1861 : static sql_rel *
1862 1081 : rel_create_schema(sql_query *query, dlist *auth_name, dlist *schema_elements, int if_not_exists)
1863 : {
1864 1081 : mvc *sql = query->sql;
1865 1081 : char *name = dlist_get_schema_name(auth_name);
1866 1081 : char *auth = schema_auth(auth_name);
1867 1081 : sqlid auth_id = sql->role_id;
1868 :
1869 1081 : if (auth && (auth_id = sql_find_auth(sql, auth)) < 0)
1870 0 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(28000) "CREATE SCHEMA: no such authorization '%s'", auth);
1871 1081 : if (sql->user_id != USER_MONETDB && sql->role_id != ROLE_SYSADMIN)
1872 1 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE SCHEMA: insufficient privileges for user '%s'", get_string_global_var(sql, "current_user"));
1873 1080 : if (!name)
1874 0 : name = auth;
1875 0 : assert(name);
1876 1080 : if (mvc_bind_schema(sql, name)) {
1877 2 : if (!if_not_exists)
1878 1 : return sql_error(sql, 02, SQLSTATE(3F000) "CREATE SCHEMA: name '%s' already in use", name);
1879 1 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
1880 : } else {
1881 1078 : sql_schema *os = cur_schema(sql);
1882 1078 : dnode *n = schema_elements->h;
1883 1078 : sql_schema *ss = SA_ZNEW(sql->sa, sql_schema);
1884 1078 : sql_rel *ret = rel_create_schema_dll(sql->sa, name, auth, 0);
1885 :
1886 1078 : ss->base.name = name;
1887 1078 : ss->auth_id = auth_id;
1888 1078 : ss->owner = sql->user_id;
1889 :
1890 1078 : sql->session->schema = ss;
1891 1080 : while (n) {
1892 2 : sql_rel *res = rel_semantic(query, n->data.sym);
1893 2 : if (!res) {
1894 0 : rel_destroy(ret);
1895 0 : sql->session->schema = os;
1896 0 : return NULL;
1897 : }
1898 2 : ret = rel_list(sql->sa, ret, res);
1899 2 : n = n->next;
1900 : }
1901 1078 : sql->session->schema = os;
1902 1078 : return ret;
1903 : }
1904 : }
1905 :
1906 : static sql_rel *
1907 3759 : sql_drop_table(sql_query *query, dlist *qname, int nr, int if_exists)
1908 : {
1909 3759 : mvc *sql = query->sql;
1910 3759 : char *sname = qname_schema(qname);
1911 3759 : char *tname = qname_schema_object(qname);
1912 3759 : sql_table *t = NULL;
1913 :
1914 3759 : if (!(t = find_table_or_view_on_scope(sql, NULL, sname, tname, "DROP TABLE", false))) {
1915 93 : if (if_exists) {
1916 47 : sql->errstr[0] = '\0'; /* reset table not found error */
1917 47 : sql->session->status = 0;
1918 47 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
1919 : }
1920 : return NULL;
1921 : }
1922 3666 : if (isDeclaredTable(t))
1923 0 : return sql_error(sql, 02, SQLSTATE(42000) "DROP TABLE: cannot drop a declared table");
1924 :
1925 3666 : return rel_drop(sql->sa, ddl_drop_table, t->s->base.name, tname, NULL, nr, if_exists);
1926 : }
1927 :
1928 : static sql_rel *
1929 335 : sql_drop_view(sql_query *query, dlist *qname, int nr, int if_exists)
1930 : {
1931 335 : mvc *sql = query->sql;
1932 335 : char *sname = qname_schema(qname);
1933 335 : char *tname = qname_schema_object(qname);
1934 335 : sql_table *t = NULL;
1935 :
1936 335 : if (!(t = find_table_or_view_on_scope(sql, NULL, sname, tname, "DROP VIEW", true))) {
1937 20 : if (if_exists) {
1938 1 : sql->errstr[0] = '\0'; /* reset table not found error */
1939 1 : sql->session->status = 0;
1940 1 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
1941 : }
1942 : return NULL;
1943 : }
1944 315 : if (!isView(t))
1945 1 : return sql_error(sql, 02, SQLSTATE(42000) "DROP VIEW: unable to drop view '%s': is a table", tname);
1946 :
1947 314 : return rel_drop(sql->sa, ddl_drop_view, t->s->base.name, tname, NULL, nr, if_exists);
1948 : }
1949 :
1950 : static sql_rel *
1951 4373 : sql_alter_table(sql_query *query, dlist *dl, dlist *qname, symbol *te, int if_exists)
1952 : {
1953 4373 : mvc *sql = query->sql;
1954 4373 : char *sname = qname_schema(qname);
1955 4373 : char *tname = qname_schema_object(qname);
1956 4373 : sql_table *t = NULL, *nt = NULL;
1957 4373 : sql_rel *res = NULL, *r;
1958 4373 : sql_exp **updates, *e;
1959 :
1960 4373 : if (!(t = find_table_or_view_on_scope(sql, NULL, sname, tname, "ALTER TABLE", false))) {
1961 15 : if (if_exists) {
1962 1 : sql->errstr[0] = '\0'; /* reset table not found error */
1963 1 : sql->session->status = 0;
1964 1 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
1965 : }
1966 : return NULL;
1967 : }
1968 4358 : if (isDeclaredTable(t))
1969 0 : return sql_error(sql, 02, SQLSTATE(42S02) "ALTER TABLE: can't alter declared table '%s'", tname);
1970 4358 : if (isTempSchema(t->s))
1971 3 : return sql_error(sql, 02, SQLSTATE(42S02) "ALTER TABLE: can't alter temporary table '%s'", tname);
1972 4355 : if (!mvc_schema_privs(sql, t->s))
1973 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), t->s->base.name);
1974 :
1975 4355 : assert(te);
1976 4355 : if (t->persistence != SQL_DECLARED_TABLE)
1977 4355 : sname = t->s->base.name;
1978 :
1979 4355 : if ((te->token == SQL_TABLE || te->token == SQL_DROP_TABLE)) {
1980 795 : dlist *nqname = te->data.lval->h->data.lval;
1981 795 : sql_table *pt = NULL;
1982 795 : char *nsname = qname_schema(nqname);
1983 795 : char *ntname = qname_schema_object(nqname);
1984 :
1985 795 : if (!(pt = find_table_or_view_on_scope(sql, t->s, nsname, ntname, "ALTER TABLE", false)))
1986 : return NULL;
1987 785 : if (isView(pt))
1988 1 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: can't add/drop a view into a %s",
1989 1 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
1990 784 : if (isDeclaredTable(pt))
1991 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: can't add/drop a declared table into a %s",
1992 0 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
1993 784 : if (isTempSchema(pt->s))
1994 2 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: can't add/drop a temporary table into a %s",
1995 2 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
1996 782 : if (isReplicaTable(t) && isMergeTable(pt))
1997 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: can't add/drop a %s table into a %s",
1998 0 : TABLE_TYPE_DESCRIPTION(pt->type, pt->properties), TABLE_TYPE_DESCRIPTION(t->type, t->properties));
1999 782 : nsname = pt->s->base.name;
2000 782 : if (strcmp(sname, nsname) != 0)
2001 1 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: all children tables of '%s.%s' must be part of schema '%s'",
2002 : sname, tname, sname);
2003 :
2004 781 : if (te->token == SQL_TABLE) {
2005 601 : symbol *extra = dl->h->next->next->next->data.sym;
2006 :
2007 601 : if (!extra) {
2008 314 : if (isRangePartitionTable(t)) {
2009 1 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: a range partition is required while adding under a %s",
2010 1 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
2011 313 : } else if (isListPartitionTable(t)) {
2012 1 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: a value partition is required while adding under a %s",
2013 1 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
2014 : }
2015 312 : return rel_alter_table(sql->sa, ddl_alter_table_add_table, sname, tname, nsname, ntname, 0);
2016 : }
2017 287 : if ((isMergeTable(pt) || isReplicaTable(pt)) && list_length(pt->members)==0)
2018 2 : return sql_error(sql, 02, SQLSTATE(42000) "%s '%s'.'%s' should have at least one table associated",
2019 2 : TABLE_TYPE_DESCRIPTION(pt->type, pt->properties), pt->s->base.name, pt->base.name);
2020 :
2021 285 : if (extra->token == SQL_MERGE_PARTITION) { /* partition to hold null values only */
2022 17 : dlist* ll = extra->data.lval;
2023 17 : int update = ll->h->next->next->next->data.i_val;
2024 :
2025 17 : if (isRangePartitionTable(t)) {
2026 14 : return rel_alter_table_add_partition_range(query, t, pt, sname, tname, nsname, ntname, NULL, NULL, true, update);
2027 3 : } else if (isListPartitionTable(t)) {
2028 3 : return rel_alter_table_add_partition_list(query, t, pt, sname, tname, nsname, ntname, NULL, true, update);
2029 : } else {
2030 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot add a partition into a %s",
2031 0 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
2032 : }
2033 268 : } else if (extra->token == SQL_PARTITION_RANGE) {
2034 208 : dlist* ll = extra->data.lval;
2035 208 : symbol* min = ll->h->data.sym, *max = ll->h->next->data.sym;
2036 208 : int nills = ll->h->next->next->data.i_val, update = ll->h->next->next->next->data.i_val;
2037 :
2038 208 : if (!isRangePartitionTable(t)) {
2039 2 : return sql_error(sql, 02,SQLSTATE(42000) "ALTER TABLE: cannot add a range partition into a %s",
2040 1 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
2041 : }
2042 :
2043 207 : assert(nills == 0 || nills == 1);
2044 207 : return rel_alter_table_add_partition_range(query, t, pt, sname, tname, nsname, ntname, min, max, (bit) nills, update);
2045 60 : } else if (extra->token == SQL_PARTITION_LIST) {
2046 60 : dlist* ll = extra->data.lval, *values = ll->h->data.lval;
2047 60 : int nills = ll->h->next->data.i_val, update = ll->h->next->next->data.i_val;
2048 :
2049 60 : if (!isListPartitionTable(t)) {
2050 2 : return sql_error(sql, 02,SQLSTATE(42000) "ALTER TABLE: cannot add a value partition into a %s",
2051 1 : TABLE_TYPE_DESCRIPTION(t->type, t->properties));
2052 : }
2053 :
2054 59 : assert(nills == 0 || nills == 1);
2055 59 : return rel_alter_table_add_partition_list(query, t, pt, sname, tname, nsname, ntname, values, (bit) nills, update);
2056 : }
2057 0 : assert(0);
2058 : } else {
2059 180 : int drop_action = te->data.lval->h->next->data.i_val;
2060 :
2061 180 : return rel_alter_table(sql->sa, ddl_alter_table_del_table, sname, tname, nsname, ntname, drop_action);
2062 : }
2063 : }
2064 :
2065 : /* read only or read write */
2066 3560 : if (te->token == SQL_ALTER_TABLE) {
2067 2300 : int state = te->data.i_val;
2068 :
2069 2300 : if (state == tr_readonly) {
2070 : state = TABLE_READONLY;
2071 : } else if (state == tr_append) {
2072 : state = TABLE_APPENDONLY;
2073 : } else {
2074 0 : assert(state == tr_writable);
2075 : state = TABLE_WRITABLE;
2076 : }
2077 2300 : return rel_alter_table(sql->sa, ddl_alter_table_set_access, sname, tname, NULL, NULL, state);
2078 : }
2079 :
2080 1260 : nt = dup_sql_table(sql->sa, t);
2081 1260 : if (!nt || (table_element(query, te, t->s, nt, 1, t->persistence == SQL_DECLARED_TABLE, "ALTER TABLE") == SQL_ERR))
2082 76 : return NULL;
2083 :
2084 1184 : if (te->token == SQL_DROP_CONSTRAINT) {
2085 150 : dlist *l = te->data.lval;
2086 150 : char *kname = l->h->data.sval;
2087 150 : int drop_action = l->h->next->data.i_val;
2088 :
2089 150 : return rel_drop(sql->sa, ddl_drop_constraint, sname, tname, kname, drop_action, 0);
2090 : }
2091 :
2092 1034 : res = rel_table(sql, ddl_alter_table, sname, nt, 0);
2093 1034 : sql_rel *bt = rel_ddl_basetable_get(res);
2094 :
2095 1034 : if (!isTable(nt))
2096 : return res;
2097 :
2098 : /* New columns need update with default values. Add one more element for new column */
2099 1009 : updates = SA_ZNEW_ARRAY(sql->sa, sql_exp*, (ol_length(nt->columns) + 1));
2100 1009 : rel_base_use_tid(sql, bt);
2101 :
2102 1009 : e = basetable_get_tid_or_add_it(sql, bt);
2103 1009 : e = exp_ref(sql, e);
2104 :
2105 : /*
2106 : e = exp_column(sql->sa, nt->base.name, TID, sql_bind_localtype("oid"), CARD_MULTI, 0, 1, 1);
2107 : e->alias.label = rel_base_nid(bt, NULL);
2108 : */
2109 1009 : r = rel_project(sql->sa, res, append(new_exp_list(sql->sa),e));
2110 :
2111 1009 : list *cols = new_exp_list(sql->sa);
2112 1009 : sql_exp *ne;
2113 14571 : for (node *n = ol_first_node(nt->columns); n; n = n->next) {
2114 13562 : sql_column *c = n->data;
2115 :
2116 13562 : rel_base_use(sql, bt, c->colnr);
2117 : /* handle new columns */
2118 13562 : if (!c->base.new || c->base.deleted)
2119 13457 : continue;
2120 105 : if (c->def) {
2121 5 : e = rel_parse_val(sql, nt->s, c->def, &c->type, sql->emode, NULL);
2122 : } else {
2123 100 : e = exp_atom(sql->sa, atom_general(sql->sa, &c->type, NULL, 0));
2124 : }
2125 105 : if (!e || (e = exp_check_type(sql, &c->type, r, e, type_equal)) == NULL) {
2126 0 : rel_destroy(r);
2127 0 : return NULL;
2128 : }
2129 105 : list_append(cols, ne=exp_column(sql->sa, nt->base.name, c->base.name, &c->type, CARD_MULTI, 0, 0, 0));
2130 105 : ne->alias.label = rel_base_nid(bt, c);
2131 105 : ne->nid = ne->alias.label;
2132 :
2133 105 : assert(!updates[c->colnr]);
2134 105 : exp_setname(sql, e, c->t->base.name, c->base.name);
2135 105 : updates[c->colnr] = e;
2136 : }
2137 1009 : res = rel_update(sql, res, r, updates, list_length(cols)?cols:NULL);
2138 1009 : return res;
2139 : }
2140 :
2141 : static sql_rel *
2142 50 : rel_role(allocator *sa, char *grantee, char *auth, int grantor, int admin, int type)
2143 : {
2144 50 : sql_rel *rel = rel_create(sa);
2145 50 : list *exps = new_exp_list(sa);
2146 50 : if (!rel || !exps)
2147 : return NULL;
2148 :
2149 50 : assert(type == ddl_grant_roles || type == ddl_revoke_roles);
2150 50 : append(exps, exp_atom_clob(sa, grantee));
2151 50 : append(exps, exp_atom_clob(sa, auth));
2152 50 : append(exps, exp_atom_int(sa, grantor));
2153 50 : append(exps, exp_atom_int(sa, admin));
2154 50 : rel->l = NULL;
2155 50 : rel->r = NULL;
2156 50 : rel->op = op_ddl;
2157 50 : rel->flag = type;
2158 50 : rel->exps = exps;
2159 50 : rel->card = 0;
2160 50 : rel->nrcols = 0;
2161 50 : return rel;
2162 : }
2163 :
2164 : static sql_rel *
2165 50 : rel_grant_or_revoke_roles(mvc *sql, dlist *roles, dlist *grantees, int grant, int grantor, ddl_statement action)
2166 : {
2167 50 : sql_rel *res = NULL;
2168 : /* grant/revoke roles to the grantees */
2169 :
2170 100 : for (dnode *r = roles->h; r; r = r->next) {
2171 50 : char *role = r->data.sval;
2172 :
2173 100 : for (dnode *g = grantees->h; g; g = g->next) {
2174 50 : char *grantee = g->data.sval;
2175 :
2176 50 : if ((res = rel_list(sql->sa, res, rel_role(sql->sa, grantee, role, grantor, grant, action))) == NULL) {
2177 0 : rel_destroy(res);
2178 0 : return NULL;
2179 : }
2180 : }
2181 : }
2182 : return res;
2183 : }
2184 :
2185 : static sql_rel *
2186 18389 : rel_priv(allocator *sa, char *sname, char *name, char *grantee, int privs, char *cname, int grant, int grantor, int type)
2187 : {
2188 18389 : sql_rel *rel = rel_create(sa);
2189 18389 : list *exps = new_exp_list(sa);
2190 18389 : if (!rel || !exps)
2191 : return NULL;
2192 :
2193 18389 : assert(type == ddl_grant || type == ddl_revoke);
2194 18389 : append(exps, exp_atom_clob(sa, sname));
2195 18389 : append(exps, exp_atom_clob(sa, name));
2196 18389 : append(exps, exp_atom_clob(sa, grantee));
2197 18389 : append(exps, exp_atom_int(sa, privs));
2198 18389 : append(exps, cname?(void*)exp_atom_clob(sa, cname):(void*)cname);
2199 18389 : append(exps, exp_atom_int(sa, grant));
2200 18389 : append(exps, exp_atom_int(sa, grantor));
2201 18389 : rel->l = NULL;
2202 18389 : rel->r = NULL;
2203 18389 : rel->op = op_ddl;
2204 18389 : rel->flag = type;
2205 18389 : rel->exps = exps;
2206 18389 : rel->card = 0;
2207 18389 : rel->nrcols = 0;
2208 18389 : return rel;
2209 : }
2210 :
2211 : static sql_rel *
2212 98820 : rel_func_priv(allocator *sa, char *sname, int func, char *grantee, int privs, int grant, int grantor, int type)
2213 : {
2214 98820 : sql_rel *rel = rel_create(sa);
2215 98820 : list *exps = new_exp_list(sa);
2216 98820 : if (!rel || !exps)
2217 : return NULL;
2218 :
2219 98820 : assert(type == ddl_grant_func || type == ddl_revoke_func);
2220 98820 : append(exps, exp_atom_clob(sa, sname));
2221 98820 : append(exps, exp_atom_int(sa, func));
2222 98820 : append(exps, exp_atom_clob(sa, grantee));
2223 98820 : append(exps, exp_atom_int(sa, privs));
2224 98820 : append(exps, exp_atom_int(sa, grant));
2225 98820 : append(exps, exp_atom_int(sa, grantor));
2226 98820 : rel->l = NULL;
2227 98820 : rel->r = NULL;
2228 98820 : rel->op = op_ddl;
2229 98820 : rel->flag = type;
2230 98820 : rel->exps = exps;
2231 98820 : rel->card = 0;
2232 98820 : rel->nrcols = 0;
2233 98820 : return rel;
2234 : }
2235 :
2236 : static sql_rel *
2237 12 : rel_grant_or_revoke_global(mvc *sql, dlist *privs, dlist *grantees, int grant, int grantor, ddl_statement action)
2238 : {
2239 12 : sql_rel *res = NULL;
2240 12 : char *sname = cur_schema(sql)->base.name;
2241 :
2242 12 : if (!privs)
2243 : return NULL;
2244 24 : for (dnode *gn = grantees->h; gn; gn = gn->next) {
2245 12 : char *grantee = gn->data.sval;
2246 :
2247 12 : if (!grantee)
2248 0 : grantee = "public";
2249 :
2250 24 : for (dnode *opn = privs->h; opn; opn = opn->next) {
2251 12 : int priv = opn->data.i_val;
2252 :
2253 12 : if ((res = rel_list(sql->sa, res, rel_priv(sql->sa, sname, NULL, grantee, priv, NULL, grant, grantor, action))) == NULL) {
2254 0 : rel_destroy(res);
2255 0 : return NULL;
2256 : }
2257 : }
2258 : }
2259 : return res;
2260 : }
2261 :
2262 : static sql_rel *
2263 18339 : rel_grant_or_revoke_table(mvc *sql, dlist *privs, dlist *qname, dlist *grantees, int grant, int grantor, ddl_statement action, const char *err)
2264 : {
2265 18339 : sql_rel *res = NULL;
2266 18339 : int all = PRIV_SELECT | PRIV_UPDATE | PRIV_INSERT | PRIV_DELETE | PRIV_TRUNCATE;
2267 18339 : char *sname = qname_schema(qname);
2268 18339 : char *tname = qname_schema_object(qname);
2269 18339 : sql_table *t = NULL;
2270 :
2271 18339 : if (!(t = find_table_or_view_on_scope(sql, NULL, sname, tname, err, false)))
2272 : return NULL;
2273 18338 : if (isDeclaredTable(t))
2274 0 : return sql_error(sql, 02, SQLSTATE(42000) "Cannot %s on a declared table", err);
2275 36676 : for (dnode *gn = grantees->h; gn; gn = gn->next) {
2276 18338 : char *grantee = gn->data.sval;
2277 :
2278 18338 : if (!grantee)
2279 18223 : grantee = "public";
2280 :
2281 18338 : if (!privs) {
2282 7 : if ((res = rel_list(sql->sa, res, rel_priv(sql->sa, t->s->base.name, tname, grantee, all, NULL, grant, grantor, action))) == NULL) {
2283 0 : rel_destroy(res);
2284 0 : return NULL;
2285 : }
2286 7 : continue;
2287 : }
2288 36688 : for (dnode *opn = privs->h; opn; opn = opn->next) {
2289 18357 : symbol *op = opn->data.sym;
2290 18357 : int priv = PRIV_SELECT;
2291 :
2292 18357 : switch (op->token) {
2293 : case SQL_SELECT:
2294 : priv = PRIV_SELECT;
2295 : break;
2296 28 : case SQL_UPDATE:
2297 28 : priv = PRIV_UPDATE;
2298 28 : break;
2299 28 : case SQL_INSERT:
2300 28 : priv = PRIV_INSERT;
2301 28 : break;
2302 21 : case SQL_DELETE:
2303 21 : priv = PRIV_DELETE;
2304 21 : break;
2305 1 : case SQL_TRUNCATE:
2306 1 : priv = PRIV_TRUNCATE;
2307 1 : break;
2308 0 : case SQL_EXECUTE:
2309 : default:
2310 0 : return sql_error(sql, 02, SQLSTATE(42000) "Cannot %s EXECUTE on table name %s", err, tname);
2311 : }
2312 :
2313 18357 : if ((op->token == SQL_SELECT || op->token == SQL_UPDATE) && op->data.lval) {
2314 103 : for (dnode *cn = op->data.lval->h; cn; cn = cn->next) {
2315 58 : char *cname = cn->data.sval;
2316 58 : if ((res = rel_list(sql->sa, res, rel_priv(sql->sa, t->s->base.name, tname, grantee, priv, cname, grant, grantor, action))) == NULL) {
2317 0 : rel_destroy(res);
2318 0 : return NULL;
2319 : }
2320 : }
2321 18312 : } else if ((res = rel_list(sql->sa, res, rel_priv(sql->sa, t->s->base.name, tname, grantee, priv, NULL, grant, grantor, action))) == NULL) {
2322 0 : rel_destroy(res);
2323 0 : return NULL;
2324 : }
2325 : }
2326 : }
2327 : return res;
2328 : }
2329 :
2330 : static sql_rel *
2331 98821 : rel_grant_or_revoke_func(mvc *sql, dlist *privs, dlist *qname, dlist *typelist, sql_ftype type, dlist *grantees, int grant, int grantor, ddl_statement action, const char *err)
2332 : {
2333 98821 : sql_rel *res = NULL;
2334 98821 : char *sname = qname_schema(qname);
2335 98821 : char *fname = qname_schema_object(qname);
2336 98821 : sql_func *func = resolve_func(sql, sname, fname, typelist, type, err, 0);
2337 :
2338 98821 : if (!func)
2339 : return NULL;
2340 98820 : if (!func->s)
2341 0 : return sql_error(sql, 02, SQLSTATE(42000) "Cannot %s EXECUTE on system function '%s'", err, fname);
2342 197640 : for (dnode *gn = grantees->h; gn; gn = gn->next) {
2343 98820 : char *grantee = gn->data.sval;
2344 :
2345 98820 : if (!grantee)
2346 98347 : grantee = "public";
2347 :
2348 98820 : if (!privs) {
2349 4 : if ((res = rel_list(sql->sa, res, rel_func_priv(sql->sa, func->s->base.name, func->base.id, grantee, PRIV_EXECUTE, grant, grantor, action))) == NULL) {
2350 0 : rel_destroy(res);
2351 0 : return NULL;
2352 : }
2353 4 : continue;
2354 : }
2355 197632 : for (dnode *opn = privs->h; opn; opn = opn->next) {
2356 98816 : symbol *op = opn->data.sym;
2357 :
2358 98816 : if (op->token != SQL_EXECUTE)
2359 0 : return sql_error(sql, 02, SQLSTATE(42000) "Can only %s 'EXECUTE' on function '%s'", err, fname);
2360 98816 : if ((res = rel_list(sql->sa, res, rel_func_priv(sql->sa, func->s->base.name, func->base.id, grantee, PRIV_EXECUTE, grant, grantor, action))) == NULL) {
2361 0 : rel_destroy(res);
2362 0 : return NULL;
2363 : }
2364 : }
2365 : }
2366 : return res;
2367 : }
2368 :
2369 : static sql_rel *
2370 117172 : rel_grant_or_revoke_privs(mvc *sql, dlist *privs, dlist *grantees, int grant, int grantor, ddl_statement action)
2371 : {
2372 117172 : dlist *obj_privs = privs->h->data.lval;
2373 117172 : symbol *obj = privs->h->next->data.sym;
2374 117172 : tokens token = obj->token;
2375 117172 : const char *err = (action == ddl_grant) ? "GRANT" : "REVOKE";
2376 :
2377 117172 : switch (token) {
2378 12 : case SQL_GRANT:
2379 12 : return rel_grant_or_revoke_global(sql, obj_privs, grantees, grant, grantor, action);
2380 18339 : case SQL_TABLE:
2381 : case SQL_NAME:
2382 18339 : return rel_grant_or_revoke_table(sql, obj_privs, obj->data.lval, grantees, grant, grantor, action, err);
2383 98821 : case SQL_FUNC: {
2384 98821 : dlist *r = obj->data.lval;
2385 98821 : dlist *qname = r->h->data.lval;
2386 98821 : dlist *typelist = r->h->next->data.lval;
2387 98821 : sql_ftype type = (sql_ftype) r->h->next->next->data.i_val;
2388 :
2389 98822 : return rel_grant_or_revoke_func(sql, obj_privs, qname, typelist, type, grantees, grant, grantor, (action == ddl_grant) ? ddl_grant_func : ddl_revoke_func, err);
2390 : }
2391 0 : default:
2392 0 : return sql_error(sql, 02, SQLSTATE(M0M03) "%s: unknown token %d", err, (int) token);
2393 : }
2394 : }
2395 :
2396 : /* iname, itype, sname.tname (col1 .. coln) */
2397 : static sql_rel *
2398 343 : rel_create_index(mvc *sql, char *iname, idx_type itype, dlist *qname, dlist *column_list)
2399 : {
2400 343 : sql_table *t = NULL, *nt;
2401 343 : sql_rel *r, *res;
2402 343 : sql_exp **updates, *e;
2403 343 : sql_idx *i;
2404 343 : dnode *n;
2405 343 : char *sname = qname_schema(qname), *tname = qname_schema_object(qname), *s = iname;
2406 :
2407 343 : if (!(t = find_table_or_view_on_scope(sql, NULL, sname, tname, "CREATE INDEX", false)))
2408 : return NULL;
2409 342 : if (isDeclaredTable(t))
2410 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: cannot create index on a declared table");
2411 342 : if (!mvc_schema_privs(sql, t->s))
2412 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), t->s->base.name);
2413 342 : if (!s || !*s) /* add this to be safe */
2414 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: index name cannot be empty");
2415 342 : while (isdigit((unsigned char) *s))
2416 0 : s++;
2417 342 : if (!*s) /* if an index name just contains digit characters, it can be mistaken with a label */
2418 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: index name cannot contain just digit characters (0 through 9)");
2419 342 : if ((i = mvc_bind_idx(sql, t->s, iname)))
2420 3 : return sql_error(sql, 02, SQLSTATE(42S11) "CREATE INDEX: name '%s' already in use", iname);
2421 339 : if (ol_find_name(t->keys, iname) || mvc_bind_key(sql, t->s, iname))
2422 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: a key named '%s' already exists, and it would conflict with the index", iname);
2423 339 : if (!isTable(t))
2424 2 : return sql_error(sql, 02, SQLSTATE(42S02) "CREATE INDEX: cannot create index on %s '%s'", TABLE_TYPE_DESCRIPTION(t->type, t->properties), tname);
2425 337 : nt = dup_sql_table(sql->sa, t);
2426 :
2427 337 : if (t->persistence != SQL_DECLARED_TABLE)
2428 337 : sname = t->s->base.name;
2429 :
2430 : /* add index here */
2431 337 : switch (mvc_create_idx(&i, sql, nt, iname, itype)) {
2432 0 : case -1:
2433 0 : return sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
2434 0 : case -2:
2435 : case -3:
2436 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: transaction conflict detected");
2437 : default:
2438 337 : break;
2439 : }
2440 768 : for (n = column_list->h; n; n = n->next) {
2441 433 : sql_column *c = mvc_bind_column(sql, nt, n->data.sval);
2442 :
2443 433 : if (!c)
2444 2 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "CREATE INDEX: no such column '%s'", n->data.sval);
2445 431 : switch (mvc_create_ic(sql, i, c)) {
2446 0 : case -1:
2447 0 : return sql_error(sql, 02, SQLSTATE(HY013) MAL_MALLOC_FAIL);
2448 0 : case -2:
2449 : case -3:
2450 0 : return sql_error(sql, 02, SQLSTATE(42000) "CREATE INDEX: transaction conflict detected");
2451 : default:
2452 431 : break;
2453 : }
2454 : }
2455 335 : mvc_create_idx_done(sql, i);
2456 :
2457 : /* new columns need update with default values */
2458 335 : updates = SA_ZNEW_ARRAY(sql->sa, sql_exp*, ol_length(nt->columns));
2459 :
2460 335 : res = rel_table(sql, ddl_alter_table, sname, nt, 0);
2461 335 : e = exp_column(sql->sa, nt->base.name, TID, sql_bind_localtype("oid"), CARD_MULTI, 0, 1, 1);
2462 335 : sql_rel *bt = rel_ddl_basetable_get(res);
2463 335 : e->alias.label = rel_base_nid(bt, NULL);
2464 335 : e->nid = e->alias.label;
2465 335 : r = rel_project(sql->sa, res, append(new_exp_list(sql->sa),e));
2466 335 : res = rel_update(sql, res, r, updates, NULL);
2467 335 : return res;
2468 : }
2469 :
2470 : static sql_rel *
2471 357 : rel_create_user(allocator *sa, char *user, char *passwd, int enc, char *fullname, char *schema, char *schema_path, lng max_memory, int max_workers, char *optimizer, char *default_role)
2472 : {
2473 357 : sql_rel *rel = rel_create(sa);
2474 357 : list *exps = new_exp_list(sa);
2475 357 : if (!rel || !exps)
2476 : return NULL;
2477 :
2478 357 : append(exps, exp_atom_clob(sa, user));
2479 357 : append(exps, exp_atom_clob(sa, passwd));
2480 357 : append(exps, exp_atom_int(sa, enc));
2481 357 : append(exps, exp_atom_clob(sa, schema));
2482 357 : append(exps, exp_atom_clob(sa, schema_path));
2483 357 : append(exps, exp_atom_clob(sa, fullname));
2484 357 : append(exps, exp_atom_lng(sa, max_memory >= 0 ? max_memory : 0));
2485 357 : append(exps, exp_atom_int(sa, max_workers >= 0 ? max_workers: 0));
2486 357 : append(exps, exp_atom_clob(sa, optimizer));
2487 357 : append(exps, exp_atom_clob(sa, default_role));
2488 357 : rel->l = NULL;
2489 357 : rel->r = NULL;
2490 357 : rel->op = op_ddl;
2491 357 : rel->flag = ddl_create_user;
2492 357 : rel->exps = exps;
2493 357 : rel->card = 0;
2494 357 : rel->nrcols = 0;
2495 357 : return rel;
2496 : }
2497 :
2498 : static sql_rel *
2499 83 : rel_alter_user(allocator *sa, char *user, char *passwd, int enc, char *schema, char *schema_path, char *oldpasswd, char *role, lng max_memory, int max_workers)
2500 : {
2501 83 : sql_rel *rel = rel_create(sa);
2502 83 : list *exps = new_exp_list(sa);
2503 83 : if (!rel || !exps)
2504 : return NULL;
2505 :
2506 83 : append(exps, exp_atom_clob(sa, user));
2507 83 : append(exps, exp_atom_clob(sa, passwd));
2508 83 : append(exps, exp_atom_int(sa, enc));
2509 83 : append(exps, exp_atom_clob(sa, schema));
2510 83 : append(exps, exp_atom_clob(sa, schema_path));
2511 83 : append(exps, exp_atom_clob(sa, oldpasswd));
2512 83 : append(exps, exp_atom_clob(sa, role));
2513 83 : append(exps, exp_atom_lng(sa, max_memory));
2514 83 : append(exps, exp_atom_int(sa, max_workers));
2515 :
2516 83 : rel->l = NULL;
2517 83 : rel->r = NULL;
2518 83 : rel->op = op_ddl;
2519 83 : rel->flag = ddl_alter_user;
2520 83 : rel->exps = exps;
2521 83 : rel->card = 0;
2522 83 : rel->nrcols = 0;
2523 83 : return rel;
2524 : }
2525 :
2526 : static sqlid
2527 244 : rel_find_designated_schema(mvc *sql, symbol *sym, sql_schema **schema_out) {
2528 244 : char *sname;
2529 244 : sql_schema *s;
2530 :
2531 244 : assert(sym->type == type_string);
2532 244 : sname = sym->data.sval;
2533 244 : if (!(s = mvc_bind_schema(sql, sname))) {
2534 0 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(3F000) "COMMENT ON: no such schema: '%s'", sname);
2535 0 : return 0;
2536 : }
2537 :
2538 244 : *schema_out = s;
2539 244 : return s->base.id;
2540 : }
2541 :
2542 : static sqlid
2543 29 : rel_find_designated_table(mvc *sql, symbol *sym, sql_schema **schema_out) {
2544 29 : dlist *qname;
2545 29 : char *sname, *tname;
2546 29 : sql_table *t;
2547 29 : int want_table = sym->token == SQL_TABLE;
2548 :
2549 29 : assert(sym->type == type_list);
2550 29 : qname = sym->data.lval;
2551 29 : sname = qname_schema(qname);
2552 29 : tname = qname_schema_object(qname);
2553 29 : t = find_table_or_view_on_scope(sql, NULL, sname, tname, "COMMENT ON", !want_table);
2554 29 : if (t && isDeclaredTable(t)) {
2555 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON declared table not allowed");
2556 0 : return 0;
2557 : }
2558 29 : if (t && t->s && isTempSchema(t->s)) {
2559 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON tmp object not allowed");
2560 0 : return 0;
2561 : }
2562 51 : if (t && !want_table == !isKindOfTable(t)) { /* comparing booleans can be tricky */
2563 29 : *schema_out = t->s;
2564 29 : return t->base.id;
2565 : }
2566 :
2567 0 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S02) "COMMENT ON: no such %s: %s%s%s'%s'",
2568 : want_table ? "table" : "view", sname ? "'":"", sname ? sname : "", sname ? "'.":"", tname);
2569 0 : return 0;
2570 : }
2571 :
2572 : static sqlid
2573 24 : rel_find_designated_column(mvc *sql, symbol *sym, sql_schema **schema_out) {
2574 24 : char *sname, *tname, *cname;
2575 24 : dlist *colname;
2576 24 : sql_table *t;
2577 24 : sql_column *c;
2578 :
2579 24 : assert(sym->type == type_list);
2580 24 : colname = sym->data.lval;
2581 24 : assert(colname->cnt == 2 || colname->cnt == 3);
2582 24 : assert(colname->h->type == type_string);
2583 24 : assert(colname->h->next->type == type_string);
2584 24 : if (colname->cnt == 2) {
2585 10 : sname = NULL;
2586 10 : tname = colname->h->data.sval;
2587 10 : cname = colname->h->next->data.sval;
2588 : } else {
2589 : // cnt == 3
2590 14 : sname = colname->h->data.sval;
2591 14 : tname = colname->h->next->data.sval;
2592 14 : assert(colname->h->next->next->type == type_string);
2593 14 : cname = colname->h->next->next->data.sval;
2594 : }
2595 24 : if (!(t = find_table_or_view_on_scope(sql, NULL, sname, tname, "COMMENT ON", false)))
2596 : return 0;
2597 24 : if (t && isDeclaredTable(t)) {
2598 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON declared table not allowed");
2599 0 : return 0;
2600 : }
2601 24 : if (t && t->s && isTempSchema(t->s)) {
2602 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON tmp object not allowed");
2603 0 : return 0;
2604 : }
2605 24 : if (!(c = mvc_bind_column(sql, t, cname))) {
2606 0 : sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S12) "COMMENT ON: no such column: %s%s%s'%s'.'%s'",
2607 : sname ? "'":"", sname ? sname : "", sname ? "'.":"", tname, cname);
2608 0 : return 0;
2609 : }
2610 24 : *schema_out = t->s;
2611 24 : return c->base.id;
2612 : }
2613 :
2614 : static sqlid
2615 21 : rel_find_designated_index(mvc *sql, symbol *sym, sql_schema **schema_out) {
2616 21 : dlist *qname;
2617 21 : char *iname, *sname;
2618 21 : sql_idx *idx;
2619 :
2620 21 : assert(sym->type == type_list);
2621 21 : qname = sym->data.lval;
2622 21 : sname = qname_schema(qname);
2623 21 : iname = qname_schema_object(qname);
2624 21 : if (!(idx = find_idx_on_scope(sql, sname, iname, "COMMENT ON")))
2625 : return 0;
2626 21 : if (idx && idx->t->s && isTempSchema(idx->t->s)) {
2627 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON tmp object not allowed");
2628 0 : return 0;
2629 : }
2630 : if (idx) {
2631 21 : *schema_out = idx->t->s;
2632 21 : return idx->base.id;
2633 : }
2634 :
2635 : return 0;
2636 : }
2637 :
2638 : static sqlid
2639 12 : rel_find_designated_sequence(mvc *sql, symbol *sym, sql_schema **schema_out) {
2640 12 : (void)sql;
2641 12 : (void)sym;
2642 12 : dlist *qname;
2643 12 : char *seqname, *sname;
2644 12 : sql_sequence *seq;
2645 :
2646 12 : assert(sym->type == type_list);
2647 12 : qname = sym->data.lval;
2648 12 : sname = qname_schema(qname);
2649 12 : seqname = qname_schema_object(qname);
2650 :
2651 12 : seq = find_sequence_on_scope(sql, sname, seqname, "COMMENT ON");
2652 12 : if (seq && seq->s && isTempSchema(seq->s)) {
2653 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON tmp object not allowed");
2654 0 : return 0;
2655 : }
2656 : if (seq) {
2657 12 : *schema_out = seq->s;
2658 12 : return seq->base.id;
2659 : }
2660 :
2661 : return 0;
2662 : }
2663 :
2664 : static sqlid
2665 24 : rel_find_designated_routine(mvc *sql, symbol *sym, sql_schema **schema_out) {
2666 24 : (void)sql;
2667 24 : (void)sym;
2668 24 : dlist *designator;
2669 24 : dlist *qname;
2670 24 : dlist *typelist;
2671 24 : sql_ftype func_type;
2672 24 : char *fname, *sname;
2673 24 : sql_func *func;
2674 :
2675 24 : assert(sym->type == type_list);
2676 24 : designator = sym->data.lval;
2677 24 : assert(designator->cnt == 3);
2678 24 : qname = designator->h->data.lval;
2679 24 : sname = qname_schema(qname);
2680 24 : typelist = designator->h->next->data.lval;
2681 24 : func_type = (sql_ftype) designator->h->next->next->data.i_val;
2682 :
2683 24 : fname = qname_schema_object(qname);
2684 24 : func = resolve_func(sql, sname, fname, typelist, func_type, "COMMENT", 0);
2685 24 : if (func && func->s && isTempSchema(func->s)) {
2686 0 : sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON tmp object not allowed");
2687 0 : return 0;
2688 : }
2689 : if (func) {
2690 24 : *schema_out = func->s ? func->s : mvc_bind_schema(sql, "sys");
2691 24 : return func->base.id;
2692 : }
2693 :
2694 : return 0;
2695 : }
2696 :
2697 : static sqlid
2698 354 : rel_find_designated_object(mvc *sql, symbol *sym, sql_schema **schema_out)
2699 : {
2700 354 : sql_schema *dummy = NULL;
2701 :
2702 354 : if (schema_out == NULL)
2703 0 : schema_out = &dummy;
2704 354 : switch (sym->token) {
2705 244 : case SQL_SCHEMA:
2706 244 : return rel_find_designated_schema(sql, sym, schema_out);
2707 22 : case SQL_TABLE:
2708 22 : return rel_find_designated_table(sql, sym, schema_out);
2709 7 : case SQL_VIEW:
2710 7 : return rel_find_designated_table(sql, sym, schema_out);
2711 24 : case SQL_COLUMN:
2712 24 : return rel_find_designated_column(sql, sym, schema_out);
2713 21 : case SQL_INDEX:
2714 21 : return rel_find_designated_index(sql, sym, schema_out);
2715 12 : case SQL_SEQUENCE:
2716 12 : return rel_find_designated_sequence(sql, sym, schema_out);
2717 24 : case SQL_ROUTINE:
2718 24 : return rel_find_designated_routine(sql, sym, schema_out);
2719 0 : default:
2720 0 : sql_error(sql, 2, SQLSTATE(42000) "COMMENT ON %s is not supported", token2string(sym->token));
2721 0 : return 0;
2722 : }
2723 : }
2724 :
2725 : static sql_rel *
2726 353 : rel_comment_on(allocator *sa, sqlid obj_id, const char *remark)
2727 : {
2728 353 : sql_rel *rel = rel_create(sa);
2729 353 : list *exps = new_exp_list(sa);
2730 :
2731 353 : if (rel == NULL || exps == NULL)
2732 : return NULL;
2733 :
2734 353 : append(exps, exp_atom_int(sa, obj_id));
2735 353 : append(exps, exp_atom_clob(sa, remark));
2736 353 : rel->l = NULL;
2737 353 : rel->r = NULL;
2738 353 : rel->op = op_ddl;
2739 353 : rel->flag = ddl_comment_on;
2740 353 : rel->exps = exps;
2741 353 : rel->card = 0;
2742 353 : rel->nrcols = 0;
2743 353 : return rel;
2744 : }
2745 :
2746 : static char *
2747 10111 : credentials_username(dlist *credentials)
2748 : {
2749 10111 : if (credentials == NULL) {
2750 : return NULL;
2751 : }
2752 104 : assert(credentials->h);
2753 :
2754 104 : if (credentials->h->data.sval != NULL) {
2755 : return credentials->h->data.sval;
2756 : }
2757 :
2758 : // No username specified.
2759 : return NULL;
2760 : }
2761 :
2762 : static char *
2763 10111 : credentials_password(dlist *credentials)
2764 : {
2765 10111 : if (credentials == NULL) {
2766 : return NULL;
2767 : }
2768 104 : assert(credentials->h);
2769 :
2770 104 : char *password = credentials->h->next->next->data.sval;
2771 :
2772 104 : return password;
2773 : }
2774 :
2775 : static sql_rel *
2776 11 : rel_rename_schema(mvc *sql, char *old_name, char *new_name, int if_exists)
2777 : {
2778 11 : sql_schema *s;
2779 11 : sql_rel *rel;
2780 11 : list *exps;
2781 :
2782 11 : assert(old_name && new_name);
2783 11 : if (!(s = mvc_bind_schema(sql, old_name))) {
2784 1 : if (if_exists)
2785 1 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
2786 0 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(3F000)
2787 : "ALTER SCHEMA: no such schema '%s'", old_name);
2788 : }
2789 :
2790 10 : if (!mvc_schema_privs(sql, s))
2791 0 : return sql_error(sql, 02, SQLSTATE(3F000)
2792 : "ALTER SCHEMA: access denied for %s to schema '%s'",
2793 : get_string_global_var(sql, "current_user"), old_name);
2794 :
2795 10 : if (s->system)
2796 1 : return sql_error(sql, 02, SQLSTATE(3F000)
2797 : "ALTER SCHEMA: cannot rename a system schema");
2798 :
2799 9 : if (strNil(new_name) || *new_name == '\0')
2800 0 : return sql_error(sql, 02, SQLSTATE(3F000)
2801 : "ALTER SCHEMA: invalid new schema name");
2802 :
2803 9 : if (mvc_bind_schema(sql, new_name))
2804 0 : return sql_error(sql, 02, SQLSTATE(3F000)
2805 : "ALTER SCHEMA: there is a schema named '%s' in the database", new_name);
2806 :
2807 9 : if (mvc_check_dependency(sql, s->base.id, SCHEMA_DEPENDENCY, NULL) != NO_DEPENDENCY) {
2808 1 : return sql_error(sql, 02,
2809 : SQLSTATE(2BM37) "ALTER SCHEMA: unable to"
2810 : " rename schema '%s', there are database objects"
2811 : " which depend on it", old_name);
2812 : }
2813 :
2814 8 : rel = rel_create(sql->sa);
2815 8 : exps = new_exp_list(sql->sa);
2816 8 : append(exps, exp_atom_clob(sql->sa, old_name));
2817 8 : append(exps, exp_atom_clob(sql->sa, new_name));
2818 8 : rel->op = op_ddl;
2819 8 : rel->flag = ddl_rename_schema;
2820 8 : rel->exps = exps;
2821 :
2822 8 : return rel;
2823 : }
2824 :
2825 : static sql_rel *
2826 23 : rel_rename_table(mvc *sql, char *schema_name, char *old_name, char *new_name, int if_exists)
2827 : {
2828 23 : sql_table *t = NULL;
2829 23 : sql_rel *rel;
2830 23 : list *exps;
2831 :
2832 23 : assert(old_name && new_name);
2833 :
2834 23 : if (!(t = find_table_or_view_on_scope(sql, NULL, schema_name, old_name, "ALTER TABLE", false))) {
2835 1 : if (if_exists) {
2836 1 : sql->errstr[0] = '\0'; /* reset table not found error */
2837 1 : sql->session->status = 0;
2838 1 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
2839 : }
2840 : return NULL;
2841 : }
2842 22 : if (isDeclaredTable(t))
2843 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot rename a declared table");
2844 22 : if (!mvc_schema_privs(sql, t->s))
2845 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), t->s->base.name);
2846 22 : if (t->system)
2847 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot rename a system table");
2848 22 : if (isView(t))
2849 1 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot rename a view");
2850 21 : if (mvc_check_dependency(sql, t->base.id, TABLE_DEPENDENCY, NULL))
2851 2 : return sql_error(sql, 02, SQLSTATE(2BM37) "ALTER TABLE: unable to rename table '%s' (there are database objects which depend on it)", old_name);
2852 19 : if (strNil(new_name) || *new_name == '\0')
2853 0 : return sql_error(sql, 02, SQLSTATE(3F000) "ALTER TABLE: invalid new table name");
2854 19 : if (mvc_bind_table(sql, t->s, new_name))
2855 0 : return sql_error(sql, 02, SQLSTATE(3F000) "ALTER TABLE: there is a table named '%s' in schema '%s'", new_name, t->s->base.name);
2856 :
2857 19 : rel = rel_create(sql->sa);
2858 19 : exps = new_exp_list(sql->sa);
2859 19 : append(exps, exp_atom_clob(sql->sa, t->s->base.name));
2860 19 : append(exps, exp_atom_clob(sql->sa, t->s->base.name));
2861 19 : append(exps, exp_atom_clob(sql->sa, old_name));
2862 19 : append(exps, exp_atom_clob(sql->sa, new_name));
2863 19 : rel->op = op_ddl;
2864 19 : rel->flag = ddl_rename_table;
2865 19 : rel->exps = exps;
2866 19 : return rel;
2867 : }
2868 :
2869 : static sql_rel *
2870 20 : rel_rename_column(mvc *sql, char *schema_name, char *table_name, char *old_name, char *new_name, int if_exists)
2871 : {
2872 20 : sql_table *t = NULL;
2873 20 : sql_column *col;
2874 20 : sql_rel *rel;
2875 20 : list *exps;
2876 :
2877 20 : assert(table_name && old_name && new_name);
2878 :
2879 20 : if (!(t = find_table_or_view_on_scope(sql, NULL, schema_name, table_name, "ALTER TABLE", false))) {
2880 2 : if (if_exists) {
2881 1 : sql->errstr[0] = '\0'; /* reset table not found error */
2882 1 : sql->session->status = 0;
2883 1 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
2884 : }
2885 : return NULL;
2886 : }
2887 18 : if (isDeclaredTable(t))
2888 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot rename a column in a declared table");
2889 18 : if (!mvc_schema_privs(sql, t->s))
2890 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), t->s->base.name);
2891 18 : if (t->system)
2892 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot rename a column in a system table");
2893 18 : if (isView(t))
2894 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot rename column '%s': '%s' is a view", old_name, table_name);
2895 18 : if (!(col = mvc_bind_column(sql, t, old_name)))
2896 5 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S22) "ALTER TABLE: no such column '%s' in table '%s'", old_name, table_name);
2897 13 : if (mvc_check_dependency(sql, col->base.id, COLUMN_DEPENDENCY, NULL))
2898 0 : return sql_error(sql, 02, SQLSTATE(2BM37) "ALTER TABLE: cannot rename column '%s' (there are database objects which depend on it)", old_name);
2899 13 : if (strNil(new_name) || *new_name == '\0')
2900 0 : return sql_error(sql, 02, SQLSTATE(3F000) "ALTER TABLE: invalid new column name");
2901 13 : if (mvc_bind_column(sql, t, new_name))
2902 0 : return sql_error(sql, 02, SQLSTATE(3F000) "ALTER TABLE: there is a column named '%s' in table '%s'", new_name, table_name);
2903 :
2904 13 : rel = rel_create(sql->sa);
2905 13 : exps = new_exp_list(sql->sa);
2906 13 : append(exps, exp_atom_clob(sql->sa, t->s->base.name));
2907 13 : append(exps, exp_atom_clob(sql->sa, table_name));
2908 13 : append(exps, exp_atom_clob(sql->sa, old_name));
2909 13 : append(exps, exp_atom_clob(sql->sa, new_name));
2910 13 : rel->op = op_ddl;
2911 13 : rel->flag = ddl_rename_column;
2912 13 : rel->exps = exps;
2913 13 : return rel;
2914 : }
2915 :
2916 : static sql_rel *
2917 29 : rel_set_table_schema(sql_query *query, char *old_schema, char *tname, char *new_schema, int if_exists)
2918 : {
2919 29 : mvc *sql = query->sql;
2920 29 : sql_schema *ns = NULL;
2921 29 : sql_table *ot = NULL;
2922 29 : sql_rel *rel;
2923 29 : list *exps;
2924 :
2925 29 : assert(tname && new_schema);
2926 :
2927 29 : if (!(ot = find_table_or_view_on_scope(sql, NULL, old_schema, tname, "ALTER TABLE", false))) {
2928 0 : if (if_exists) {
2929 0 : sql->errstr[0] = '\0'; /* reset table not found error */
2930 0 : sql->session->status = 0;
2931 0 : return rel_psm_block(sql->sa, new_exp_list(sql->sa));
2932 : }
2933 : return NULL;
2934 : }
2935 29 : if (isDeclaredTable(ot))
2936 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: not possible to change schema of a declared table");
2937 29 : if (!mvc_schema_privs(sql, ot->s))
2938 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: access denied for %s to schema '%s'", get_string_global_var(sql, "current_user"), ot->s->base.name);
2939 29 : if (ot->system)
2940 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: cannot set schema of a system table");
2941 29 : if (isTempSchema(ot->s))
2942 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: not possible to change a temporary table schema");
2943 29 : if (isView(ot))
2944 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: not possible to change schema of a view");
2945 29 : if (mvc_check_dependency(sql, ot->base.id, TABLE_DEPENDENCY, NULL) || list_length(ot->members) || ol_length(ot->triggers))
2946 3 : return sql_error(sql, 02, SQLSTATE(2BM37) "ALTER TABLE: unable to set schema of table '%s' (there are database objects which depend on it)", tname);
2947 26 : if (!(ns = mvc_bind_schema(sql, new_schema)))
2948 0 : return sql_error(sql, ERR_NOTFOUND, SQLSTATE(42S02) "ALTER TABLE: no such schema '%s'", new_schema);
2949 26 : if (!mvc_schema_privs(sql, ns))
2950 0 : return sql_error(sql, 02, SQLSTATE(42000) "ALTER TABLE: access denied for '%s' to schema '%s'", get_string_global_var(sql, "current_user"), new_schema);
2951 26 : if (isTempSchema(ns))
2952 0 : return sql_error(sql, 02, SQLSTATE(3F000) "ALTER TABLE: not possible to change table's schema to temporary");
2953 26 : if (mvc_bind_table(sql, ns, tname))
2954 0 : return sql_error(sql, 02, SQLSTATE(42S02) "ALTER TABLE: table '%s' on schema '%s' already exists", tname, new_schema);
2955 :
2956 26 : rel = rel_create(sql->sa);
2957 26 : exps = new_exp_list(sql->sa);
2958 26 : append(exps, exp_atom_clob(sql->sa, ot->s->base.name));
2959 26 : append(exps, exp_atom_clob(sql->sa, new_schema));
2960 26 : append(exps, exp_atom_clob(sql->sa, tname));
2961 26 : append(exps, exp_atom_clob(sql->sa, tname));
2962 26 : rel->op = op_ddl;
2963 26 : rel->flag = ddl_rename_table;
2964 26 : rel->exps = exps;
2965 26 : return rel;
2966 : }
2967 :
2968 : sql_rel *
2969 218262 : rel_schemas(sql_query *query, symbol *s)
2970 : {
2971 218262 : mvc *sql = query->sql;
2972 218262 : sql_rel *ret = NULL;
2973 :
2974 218262 : if (s->token != SQL_CREATE_TABLE && s->token != SQL_CREATE_VIEW && store_readonly(sql->session->tr->store))
2975 2 : return sql_error(sql, 06, SQLSTATE(25006) "Schema statements cannot be executed on a readonly database.");
2976 :
2977 218260 : switch (s->token) {
2978 1081 : case SQL_CREATE_SCHEMA:
2979 : {
2980 1081 : dlist *l = s->data.lval;
2981 :
2982 1081 : ret = rel_create_schema(query, l->h->data.lval,
2983 1081 : l->h->next->next->next->data.lval,
2984 1081 : l->h->next->next->next->next->data.i_val); /* if not exists */
2985 1081 : } break;
2986 191 : case SQL_DROP_SCHEMA:
2987 : {
2988 191 : dlist *l = s->data.lval;
2989 191 : dlist *auth_name = l->h->data.lval;
2990 :
2991 191 : assert(l->h->next->type == type_int);
2992 382 : ret = rel_drop(sql->sa, ddl_drop_schema,
2993 : dlist_get_schema_name(auth_name),
2994 : NULL,
2995 : NULL,
2996 : l->h->next->data.i_val, /* drop_action */
2997 191 : l->h->next->next->data.i_val); /* if exists */
2998 191 : } break;
2999 1 : case SQL_DECLARE_TABLE:
3000 1 : return sql_error(sql, 02, SQLSTATE(42000) "Tables cannot be declared on the global scope");
3001 10111 : case SQL_CREATE_TABLE:
3002 : {
3003 10111 : dlist *l = s->data.lval;
3004 10111 : dlist *qname = l->h->next->data.lval;
3005 10111 : char *sname = qname_schema(qname);
3006 10111 : char *name = qname_schema_object(qname);
3007 10111 : int temp = l->h->data.i_val;
3008 10111 : dlist *credentials = l->h->next->next->next->next->next->data.lval;
3009 10111 : char *username = credentials_username(credentials);
3010 10111 : char *password = credentials_password(credentials);
3011 10111 : bool pw_encrypted = credentials == NULL || credentials->h->next->data.i_val == SQL_PW_ENCRYPTED;
3012 10111 : if (username == NULL) {
3013 : // No username specified, get the current username
3014 10095 : username = get_string_global_var(sql, "current_user");
3015 : }
3016 :
3017 10111 : assert(l->h->type == type_int);
3018 10111 : assert(l->h->next->next->next->type == type_int);
3019 10111 : ret = rel_create_table(query, temp, sname, name, true,
3020 10111 : l->h->next->next->data.sym, /* elements or subquery */
3021 : l->h->next->next->next->data.i_val, /* commit action */
3022 10111 : l->h->next->next->next->next->data.sval, /* location */
3023 : username, password, pw_encrypted,
3024 10111 : l->h->next->next->next->next->next->next->next->data.sym,
3025 10111 : l->h->next->next->next->next->next->next->data.i_val); /* if not exists */
3026 10111 : } break;
3027 78706 : case SQL_CREATE_VIEW:
3028 : {
3029 78706 : dlist *l = s->data.lval;
3030 :
3031 78706 : assert(l->h->type == type_int);
3032 78706 : assert(l->h->next->next->next->next->type == type_int);
3033 78706 : assert(l->h->next->next->next->next->next->type == type_int);
3034 78706 : ret = rel_create_view(query, l->h->data.i_val,
3035 78706 : l->h->next->data.lval,
3036 78706 : l->h->next->next->data.lval,
3037 78706 : l->h->next->next->next->data.sym,
3038 : l->h->next->next->next->next->data.i_val,
3039 : l->h->next->next->next->next->next->data.i_val,
3040 78706 : l->h->next->next->next->next->next->next->data.i_val); /* or replace */
3041 78706 : } break;
3042 3759 : case SQL_DROP_TABLE:
3043 : {
3044 3759 : dlist *l = s->data.lval;
3045 :
3046 3759 : assert(l->h->next->type == type_int);
3047 3759 : ret = sql_drop_table(query, l->h->data.lval,
3048 : l->h->next->data.i_val,
3049 3759 : l->h->next->next->data.i_val); /* if exists */
3050 3759 : } break;
3051 335 : case SQL_DROP_VIEW:
3052 : {
3053 335 : dlist *l = s->data.lval;
3054 :
3055 335 : assert(l->h->next->type == type_int);
3056 335 : ret = sql_drop_view(query, l->h->data.lval,
3057 : l->h->next->data.i_val,
3058 335 : l->h->next->next->data.i_val); /* if exists */
3059 335 : } break;
3060 4373 : case SQL_ALTER_TABLE:
3061 : {
3062 4373 : dlist *l = s->data.lval;
3063 :
3064 4373 : ret = sql_alter_table(query, l,
3065 4373 : l->h->data.lval, /* table name */
3066 4373 : l->h->next->data.sym, /* table element */
3067 4373 : l->h->next->next->data.i_val); /* if exists */
3068 4373 : } break;
3069 40 : case SQL_GRANT_ROLES:
3070 : {
3071 40 : dlist *l = s->data.lval;
3072 :
3073 40 : assert(l->h->next->next->type == type_int);
3074 40 : assert(l->h->next->next->next->type == type_int);
3075 40 : ret = rel_grant_or_revoke_roles(sql, l->h->data.lval, /* authids */
3076 40 : l->h->next->data.lval, /* grantees */
3077 : l->h->next->next->data.i_val, /* admin? */
3078 40 : l->h->next->next->next->data.i_val == cur_user ? sql->user_id : sql->role_id, ddl_grant_roles);
3079 : /* grantor ? */
3080 40 : } break;
3081 10 : case SQL_REVOKE_ROLES:
3082 : {
3083 10 : dlist *l = s->data.lval;
3084 :
3085 10 : assert(l->h->next->next->type == type_int);
3086 10 : assert(l->h->next->next->next->type == type_int);
3087 10 : ret = rel_grant_or_revoke_roles(sql, l->h->data.lval, /* authids */
3088 10 : l->h->next->data.lval, /* grantees */
3089 : l->h->next->next->data.i_val, /* admin? */
3090 10 : l->h->next->next->next->data.i_val == cur_user? sql->user_id : sql->role_id, ddl_revoke_roles);
3091 : /* grantor ? */
3092 10 : } break;
3093 117156 : case SQL_GRANT:
3094 : {
3095 117156 : dlist *l = s->data.lval;
3096 :
3097 117156 : assert(l->h->next->next->type == type_int);
3098 117156 : assert(l->h->next->next->next->type == type_int);
3099 117156 : ret = rel_grant_or_revoke_privs(sql, l->h->data.lval, /* privileges */
3100 117156 : l->h->next->data.lval, /* grantees */
3101 : l->h->next->next->data.i_val, /* grant ? */
3102 117156 : l->h->next->next->next->data.i_val == cur_user? sql->user_id : sql->role_id, ddl_grant);
3103 : /* grantor ? */
3104 117156 : } break;
3105 16 : case SQL_REVOKE:
3106 : {
3107 16 : dlist *l = s->data.lval;
3108 :
3109 16 : assert(l->h->next->next->type == type_int);
3110 16 : assert(l->h->next->next->next->type == type_int);
3111 16 : ret = rel_grant_or_revoke_privs(sql, l->h->data.lval, /* privileges */
3112 16 : l->h->next->data.lval, /* grantees */
3113 : l->h->next->next->data.i_val, /* grant ? */
3114 16 : l->h->next->next->next->data.i_val == cur_user? sql->user_id : sql->role_id, ddl_revoke);
3115 : /* grantor ? */
3116 16 : } break;
3117 26 : case SQL_CREATE_ROLE:
3118 : {
3119 26 : dlist *l = s->data.lval;
3120 26 : char *rname = l->h->data.sval;
3121 26 : ret = rel_schema2(sql->sa, ddl_create_role, rname, NULL,
3122 26 : l->h->next->data.i_val == cur_user? sql->user_id : sql->role_id);
3123 26 : } break;
3124 19 : case SQL_DROP_ROLE:
3125 : {
3126 19 : char *rname = s->data.sval;
3127 19 : ret = rel_schema2(sql->sa, ddl_drop_role, rname, NULL, 0);
3128 19 : } break;
3129 343 : case SQL_CREATE_INDEX: {
3130 343 : dlist *l = s->data.lval;
3131 :
3132 343 : assert(l->h->next->type == type_int);
3133 343 : ret = rel_create_index(sql, l->h->data.sval, (idx_type) l->h->next->data.i_val, l->h->next->next->data.lval, l->h->next->next->next->data.lval);
3134 343 : } break;
3135 197 : case SQL_DROP_INDEX: {
3136 197 : dlist *l = s->data.lval;
3137 197 : char *sname = qname_schema(l);
3138 197 : char *iname = qname_schema_object(l);
3139 197 : sql_idx *idx = NULL;
3140 :
3141 197 : if (!(idx = find_idx_on_scope(sql, sname, iname, "DROP INDEX")))
3142 : return NULL;
3143 160 : ret = rel_schema2(sql->sa, ddl_drop_index, idx->t->s->base.name, iname, 0);
3144 160 : } break;
3145 357 : case SQL_CREATE_USER: {
3146 357 : dlist *l = s->data.lval;
3147 357 : dlist *schema_details = l->h->next->next->next->data.lval;
3148 :
3149 357 : ret = rel_create_user(sql->sa, l->h->data.sval, /* user name */
3150 : l->h->next->data.sval, /* password */
3151 357 : l->h->next->next->next->next->data.i_val == SQL_PW_ENCRYPTED, /* encrypted */
3152 : l->h->next->next->data.sval, /* fullname */
3153 : schema_details->h->data.sval, /* schema ident*/
3154 357 : schema_details->h->next->data.sval, /* schema path */
3155 : l->h->next->next->next->next->next->data.l_val, /* max memory */
3156 : l->h->next->next->next->next->next->next->data.i_val, /* max workers */
3157 : l->h->next->next->next->next->next->next->next->data.sval, /* optimizer */
3158 357 : l->h->next->next->next->next->next->next->next->next->data.sval); /* default role */
3159 357 : } break;
3160 107 : case SQL_DROP_USER:
3161 107 : ret = rel_schema2(sql->sa, ddl_drop_user, s->data.sval, NULL, 0);
3162 107 : break;
3163 83 : case SQL_ALTER_USER: {
3164 83 : dlist *l = s->data.lval;
3165 83 : dnode *a = l->h->next->data.lval->h;
3166 :
3167 83 : ret = rel_alter_user(sql->sa, l->h->data.sval, /* user */
3168 : a->data.sval, /* passwd */
3169 83 : a->next->next->next->data.i_val == SQL_PW_ENCRYPTED, /* encrypted */
3170 : a->next->data.sval, /* schema */
3171 : a->next->next->data.sval, /* schema path */
3172 83 : a->next->next->next->next->data.sval, /* old passwd */
3173 : l->h->next->next->data.sval, /* default role */
3174 : l->h->next->next->next->data.l_val, /* max_memory */
3175 83 : l->h->next->next->next->next->data.i_val /* max_workers */
3176 : );
3177 83 : } break;
3178 5 : case SQL_RENAME_USER: {
3179 5 : dlist *l = s->data.lval;
3180 :
3181 5 : ret = rel_schema2(sql->sa, ddl_rename_user, l->h->data.sval, l->h->next->data.sval, 0);
3182 5 : } break;
3183 11 : case SQL_RENAME_SCHEMA: {
3184 11 : dlist *l = s->data.lval;
3185 11 : ret = rel_rename_schema(sql, l->h->data.sval, l->h->next->data.sval, l->h->next->next->data.i_val);
3186 11 : } break;
3187 23 : case SQL_RENAME_TABLE: {
3188 23 : dlist *l = s->data.lval;
3189 23 : char *sname = qname_schema(l->h->data.lval);
3190 23 : char *tname = qname_schema_object(l->h->data.lval);
3191 23 : ret = rel_rename_table(sql, sname, tname, l->h->next->data.sval, l->h->next->next->data.i_val);
3192 23 : } break;
3193 20 : case SQL_RENAME_COLUMN: {
3194 20 : dlist *l = s->data.lval;
3195 20 : char *sname = qname_schema(l->h->data.lval);
3196 20 : char *tname = qname_schema_object(l->h->data.lval);
3197 20 : ret = rel_rename_column(sql, sname, tname, l->h->next->data.sval, l->h->next->next->data.sval, l->h->next->next->next->data.i_val);
3198 20 : } break;
3199 29 : case SQL_SET_TABLE_SCHEMA: {
3200 29 : dlist *l = s->data.lval;
3201 29 : char *sname = qname_schema(l->h->data.lval);
3202 29 : char *tname = qname_schema_object(l->h->data.lval);
3203 29 : ret = rel_set_table_schema(query, sname, tname, l->h->next->data.sval, l->h->next->next->data.i_val);
3204 29 : } break;
3205 902 : case SQL_CREATE_TYPE: {
3206 902 : dlist *l = s->data.lval;
3207 :
3208 902 : ret = rel_create_type(sql, l->h->data.lval, l->h->next->data.sval);
3209 902 : } break;
3210 5 : case SQL_DROP_TYPE: {
3211 5 : dlist *l = s->data.lval;
3212 5 : ret = rel_drop_type(sql, l->h->data.lval, l->h->next->data.i_val);
3213 5 : } break;
3214 354 : case SQL_COMMENT:
3215 : {
3216 354 : dlist *l = s->data.lval;
3217 354 : symbol *catalog_object = l->h->data.sym;
3218 354 : char *remark;
3219 354 : sql_schema *s;
3220 354 : sqlid id;
3221 :
3222 354 : assert(l->cnt == 2);
3223 354 : remark = l->h->next->data.sval;
3224 :
3225 354 : id = rel_find_designated_object(sql, catalog_object, &s);
3226 354 : if (!id) {
3227 : /* rel_find_designated_object has already set the error message so we don't have to */
3228 : return NULL;
3229 : }
3230 :
3231 : // Check authorization
3232 354 : if (!mvc_schema_privs(sql, s)) {
3233 1 : return sql_error(sql, 02, SQLSTATE(42000) "COMMENT ON: insufficient privileges for user '%s' in schema '%s'", get_string_global_var(sql, "current_user"), s->base.name);
3234 : }
3235 :
3236 353 : return rel_comment_on(sql->sa, id, remark);
3237 : }
3238 0 : default:
3239 0 : return sql_error(sql, 01, SQLSTATE(M0M03) "Schema statement unknown symbol(%p)->token = %s", s, token2string(s->token));
3240 : }
3241 :
3242 217868 : sql->type = Q_SCHEMA;
3243 217868 : return ret;
3244 : }
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