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utility.c
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1/*-------------------------------------------------------------------------
2 *
3 * utility.c
4 * Contains functions which control the execution of the POSTGRES utility
5 * commands. At one time acted as an interface between the Lisp and C
6 * systems.
7 *
8 * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
9 * Portions Copyright (c) 1994, Regents of the University of California
10 *
11 *
12 * IDENTIFICATION
13 * src/backend/tcop/utility.c
14 *
15 *-------------------------------------------------------------------------
16 */
17#include "postgres.h"
18
19#include "access/reloptions.h"
20#include "access/twophase.h"
21#include "access/xact.h"
22#include "access/xlog.h"
23#include "catalog/namespace.h"
24#include "catalog/pg_authid.h"
25#include "catalog/pg_inherits.h"
26#include "catalog/toasting.h"
27#include "commands/alter.h"
28#include "commands/async.h"
29#include "commands/cluster.h"
30#include "commands/collationcmds.h"
31#include "commands/comment.h"
32#include "commands/conversioncmds.h"
33#include "commands/copy.h"
34#include "commands/createas.h"
35#include "commands/dbcommands.h"
36#include "commands/defrem.h"
37#include "commands/discard.h"
38#include "commands/event_trigger.h"
39#include "commands/explain.h"
40#include "commands/extension.h"
41#include "commands/lockcmds.h"
42#include "commands/matview.h"
43#include "commands/policy.h"
44#include "commands/portalcmds.h"
45#include "commands/prepare.h"
46#include "commands/proclang.h"
47#include "commands/publicationcmds.h"
48#include "commands/schemacmds.h"
49#include "commands/seclabel.h"
50#include "commands/sequence.h"
51#include "commands/subscriptioncmds.h"
52#include "commands/tablecmds.h"
53#include "commands/tablespace.h"
54#include "commands/trigger.h"
55#include "commands/typecmds.h"
56#include "commands/user.h"
57#include "commands/vacuum.h"
58#include "commands/view.h"
59#include "commands/wait.h"
60#include "miscadmin.h"
61#include "parser/parse_utilcmd.h"
62#include "postmaster/bgwriter.h"
63#include "rewrite/rewriteDefine.h"
64#include "storage/fd.h"
65#include "tcop/utility.h"
66#include "utils/acl.h"
67#include "utils/guc.h"
68#include "utils/lsyscache.h"
69
70/* Hook for plugins to get control in ProcessUtility() */
71ProcessUtility_hook_type ProcessUtility_hook = NULL;
72
73/* local function declarations */
74static int ClassifyUtilityCommandAsReadOnly(Node *parsetree);
75static void ProcessUtilitySlow(ParseState *pstate,
76 PlannedStmt *pstmt,
77 const char *queryString,
78 ProcessUtilityContext context,
79 ParamListInfo params,
80 QueryEnvironment *queryEnv,
81 DestReceiver *dest,
82 QueryCompletion *qc);
83static void ExecDropStmt(DropStmt *stmt, bool isTopLevel);
84
85/*
86 * CommandIsReadOnly: is an executable query read-only?
87 *
88 * This is a much stricter test than we apply for XactReadOnly mode;
89 * the query must be *in truth* read-only, because the caller wishes
90 * not to do CommandCounterIncrement for it.
91 *
92 * Note: currently no need to support raw or analyzed queries here
93 */
94bool
95CommandIsReadOnly(PlannedStmt *pstmt)
96{
97 Assert(IsA(pstmt, PlannedStmt));
98 switch (pstmt->commandType)
99 {
100 case CMD_SELECT:
101 if (pstmt->rowMarks != NIL)
102 return false; /* SELECT FOR [KEY] UPDATE/SHARE */
103 else if (pstmt->hasModifyingCTE)
104 return false; /* data-modifying CTE */
105 else
106 return true;
107 case CMD_UPDATE:
108 case CMD_INSERT:
109 case CMD_DELETE:
110 case CMD_MERGE:
111 return false;
112 case CMD_UTILITY:
113 /* For now, treat all utility commands as read/write */
114 return false;
115 default:
116 elog(WARNING, "unrecognized commandType: %d",
117 (int) pstmt->commandType);
118 break;
119 }
120 return false;
121}
122
123/*
124 * Determine the degree to which a utility command is read only.
125 *
126 * Note the definitions of the relevant flags in src/include/tcop/utility.h.
127 */
128static int
129ClassifyUtilityCommandAsReadOnly(Node *parsetree)
130{
131 switch (nodeTag(parsetree))
132 {
133 case T_AlterCollationStmt:
134 case T_AlterDatabaseRefreshCollStmt:
135 case T_AlterDatabaseSetStmt:
136 case T_AlterDatabaseStmt:
137 case T_AlterDefaultPrivilegesStmt:
138 case T_AlterDomainStmt:
139 case T_AlterEnumStmt:
140 case T_AlterEventTrigStmt:
141 case T_AlterExtensionContentsStmt:
142 case T_AlterExtensionStmt:
143 case T_AlterFdwStmt:
144 case T_AlterForeignServerStmt:
145 case T_AlterFunctionStmt:
146 case T_AlterObjectDependsStmt:
147 case T_AlterObjectSchemaStmt:
148 case T_AlterOpFamilyStmt:
149 case T_AlterOperatorStmt:
150 case T_AlterOwnerStmt:
151 case T_AlterPolicyStmt:
152 case T_AlterPublicationStmt:
153 case T_AlterRoleSetStmt:
154 case T_AlterRoleStmt:
155 case T_AlterSeqStmt:
156 case T_AlterStatsStmt:
157 case T_AlterSubscriptionStmt:
158 case T_AlterTSConfigurationStmt:
159 case T_AlterTSDictionaryStmt:
160 case T_AlterTableMoveAllStmt:
161 case T_AlterTableSpaceOptionsStmt:
162 case T_AlterTableStmt:
163 case T_AlterTypeStmt:
164 case T_AlterUserMappingStmt:
165 case T_CommentStmt:
166 case T_CompositeTypeStmt:
167 case T_CreateAmStmt:
168 case T_CreateCastStmt:
169 case T_CreateConversionStmt:
170 case T_CreateDomainStmt:
171 case T_CreateEnumStmt:
172 case T_CreateEventTrigStmt:
173 case T_CreateExtensionStmt:
174 case T_CreateFdwStmt:
175 case T_CreateForeignServerStmt:
176 case T_CreateForeignTableStmt:
177 case T_CreateFunctionStmt:
178 case T_CreateOpClassStmt:
179 case T_CreateOpFamilyStmt:
180 case T_CreatePLangStmt:
181 case T_CreatePolicyStmt:
182 case T_CreatePublicationStmt:
183 case T_CreateRangeStmt:
184 case T_CreateRoleStmt:
185 case T_CreateSchemaStmt:
186 case T_CreateSeqStmt:
187 case T_CreateStatsStmt:
188 case T_CreateStmt:
189 case T_CreateSubscriptionStmt:
190 case T_CreateTableAsStmt:
191 case T_CreateTableSpaceStmt:
192 case T_CreateTransformStmt:
193 case T_CreateTrigStmt:
194 case T_CreateUserMappingStmt:
195 case T_CreatedbStmt:
196 case T_DefineStmt:
197 case T_DropOwnedStmt:
198 case T_DropRoleStmt:
199 case T_DropStmt:
200 case T_DropSubscriptionStmt:
201 case T_DropTableSpaceStmt:
202 case T_DropUserMappingStmt:
203 case T_DropdbStmt:
204 case T_GrantRoleStmt:
205 case T_GrantStmt:
206 case T_ImportForeignSchemaStmt:
207 case T_IndexStmt:
208 case T_ReassignOwnedStmt:
209 case T_RefreshMatViewStmt:
210 case T_RenameStmt:
211 case T_RuleStmt:
212 case T_SecLabelStmt:
213 case T_TruncateStmt:
214 case T_ViewStmt:
215 {
216 /* DDL is not read-only, and neither is TRUNCATE. */
217 return COMMAND_IS_NOT_READ_ONLY;
218 }
219
220 case T_AlterSystemStmt:
221 {
222 /*
223 * Surprisingly, ALTER SYSTEM meets all our definitions of
224 * read-only: it changes nothing that affects the output of
225 * pg_dump, it doesn't write WAL or imperil the application of
226 * future WAL, and it doesn't depend on any state that needs
227 * to be synchronized with parallel workers.
228 *
229 * So, despite the fact that it writes to a file, it's read
230 * only!
231 */
232 return COMMAND_IS_STRICTLY_READ_ONLY;
233 }
234
235 case T_CallStmt:
236 case T_DoStmt:
237 {
238 /*
239 * Commands inside the DO block or the called procedure might
240 * not be read only, but they'll be checked separately when we
241 * try to execute them. Here we only need to worry about the
242 * DO or CALL command itself.
243 */
244 return COMMAND_IS_STRICTLY_READ_ONLY;
245 }
246
247 case T_CheckPointStmt:
248 {
249 /*
250 * You might think that this should not be permitted in
251 * recovery, but we interpret a CHECKPOINT command during
252 * recovery as a request for a restartpoint instead. We allow
253 * this since it can be a useful way of reducing switchover
254 * time when using various forms of replication.
255 */
256 return COMMAND_IS_STRICTLY_READ_ONLY;
257 }
258
259 case T_ClosePortalStmt:
260 case T_ConstraintsSetStmt:
261 case T_DeallocateStmt:
262 case T_DeclareCursorStmt:
263 case T_DiscardStmt:
264 case T_ExecuteStmt:
265 case T_FetchStmt:
266 case T_LoadStmt:
267 case T_PrepareStmt:
268 case T_UnlistenStmt:
269 case T_VariableSetStmt:
270 case T_WaitStmt:
271 {
272 /*
273 * These modify only backend-local state, so they're OK to run
274 * in a read-only transaction or on a standby. However, they
275 * are disallowed in parallel mode, because they either rely
276 * upon or modify backend-local state that might not be
277 * synchronized among cooperating backends.
278 */
279 return COMMAND_OK_IN_RECOVERY | COMMAND_OK_IN_READ_ONLY_TXN;
280 }
281
282 case T_ClusterStmt:
283 case T_ReindexStmt:
284 case T_VacuumStmt:
285 {
286 /*
287 * These commands write WAL, so they're not strictly
288 * read-only, and running them in parallel workers isn't
289 * supported.
290 *
291 * However, they don't change the database state in a way that
292 * would affect pg_dump output, so it's fine to run them in a
293 * read-only transaction. (CLUSTER might change the order of
294 * rows on disk, which could affect the ordering of pg_dump
295 * output, but that's not semantically significant.)
296 */
297 return COMMAND_OK_IN_READ_ONLY_TXN;
298 }
299
300 case T_CopyStmt:
301 {
302 CopyStmt *stmt = (CopyStmt *) parsetree;
303
304 /*
305 * You might think that COPY FROM is not at all read only, but
306 * it's OK to copy into a temporary table, because that
307 * wouldn't change the output of pg_dump. If the target table
308 * turns out to be non-temporary, DoCopy itself will call
309 * PreventCommandIfReadOnly.
310 */
311 if (stmt->is_from)
312 return COMMAND_OK_IN_READ_ONLY_TXN;
313 else
314 return COMMAND_IS_STRICTLY_READ_ONLY;
315 }
316
317 case T_ExplainStmt:
318 case T_VariableShowStmt:
319 {
320 /*
321 * These commands don't modify any data and are safe to run in
322 * a parallel worker.
323 */
324 return COMMAND_IS_STRICTLY_READ_ONLY;
325 }
326
327 case T_ListenStmt:
328 case T_NotifyStmt:
329 {
330 /*
331 * NOTIFY requires an XID assignment, so it can't be permitted
332 * on a standby. Perhaps LISTEN could, since without NOTIFY it
333 * would be OK to just do nothing, at least until promotion,
334 * but we currently prohibit it lest the user get the wrong
335 * idea.
336 *
337 * (We do allow T_UnlistenStmt on a standby, though, because
338 * it's a no-op.)
339 */
340 return COMMAND_OK_IN_READ_ONLY_TXN;
341 }
342
343 case T_LockStmt:
344 {
345 LockStmt *stmt = (LockStmt *) parsetree;
346
347 /*
348 * Only weaker locker modes are allowed during recovery. The
349 * restrictions here must match those in
350 * LockAcquireExtended().
351 */
352 if (stmt->mode > RowExclusiveLock)
353 return COMMAND_OK_IN_READ_ONLY_TXN;
354 else
355 return COMMAND_IS_STRICTLY_READ_ONLY;
356 }
357
358 case T_TransactionStmt:
359 {
360 TransactionStmt *stmt = (TransactionStmt *) parsetree;
361
362 /*
363 * PREPARE, COMMIT PREPARED, and ROLLBACK PREPARED all write
364 * WAL, so they're not read-only in the strict sense; but the
365 * first and third do not change pg_dump output, so they're OK
366 * in a read-only transactions.
367 *
368 * We also consider COMMIT PREPARED to be OK in a read-only
369 * transaction environment, by way of exception.
370 */
371 switch (stmt->kind)
372 {
373 case TRANS_STMT_BEGIN:
374 case TRANS_STMT_START:
375 case TRANS_STMT_COMMIT:
376 case TRANS_STMT_ROLLBACK:
377 case TRANS_STMT_SAVEPOINT:
378 case TRANS_STMT_RELEASE:
379 case TRANS_STMT_ROLLBACK_TO:
380 return COMMAND_IS_STRICTLY_READ_ONLY;
381
382 case TRANS_STMT_PREPARE:
383 case TRANS_STMT_COMMIT_PREPARED:
384 case TRANS_STMT_ROLLBACK_PREPARED:
385 return COMMAND_OK_IN_READ_ONLY_TXN;
386 }
387 elog(ERROR, "unrecognized TransactionStmtKind: %d",
388 (int) stmt->kind);
389 return 0; /* silence stupider compilers */
390 }
391
392 default:
393 elog(ERROR, "unrecognized node type: %d",
394 (int) nodeTag(parsetree));
395 return 0; /* silence stupider compilers */
396 }
397}
398
399/*
400 * PreventCommandIfReadOnly: throw error if XactReadOnly
401 *
402 * This is useful partly to ensure consistency of the error message wording;
403 * some callers have checked XactReadOnly for themselves.
404 */
405void
406PreventCommandIfReadOnly(const char *cmdname)
407{
408 if (XactReadOnly)
409 ereport(ERROR,
410 (errcode(ERRCODE_READ_ONLY_SQL_TRANSACTION),
411 /* translator: %s is name of a SQL command, eg CREATE */
412 errmsg("cannot execute %s in a read-only transaction",
413 cmdname)));
414}
415
416/*
417 * PreventCommandIfParallelMode: throw error if current (sub)transaction is
418 * in parallel mode.
419 *
420 * This is useful partly to ensure consistency of the error message wording;
421 * some callers have checked IsInParallelMode() for themselves.
422 */
423void
424PreventCommandIfParallelMode(const char *cmdname)
425{
426 if (IsInParallelMode())
427 ereport(ERROR,
428 (errcode(ERRCODE_INVALID_TRANSACTION_STATE),
429 /* translator: %s is name of a SQL command, eg CREATE */
430 errmsg("cannot execute %s during a parallel operation",
431 cmdname)));
432}
433
434/*
435 * PreventCommandDuringRecovery: throw error if RecoveryInProgress
436 *
437 * The majority of operations that are unsafe in a Hot Standby
438 * will be rejected by XactReadOnly tests. However there are a few
439 * commands that are allowed in "read-only" xacts but cannot be allowed
440 * in Hot Standby mode. Those commands should call this function.
441 */
442void
443PreventCommandDuringRecovery(const char *cmdname)
444{
445 if (RecoveryInProgress())
446 ereport(ERROR,
447 (errcode(ERRCODE_READ_ONLY_SQL_TRANSACTION),
448 /* translator: %s is name of a SQL command, eg CREATE */
449 errmsg("cannot execute %s during recovery",
450 cmdname)));
451}
452
453/*
454 * CheckRestrictedOperation: throw error for hazardous command if we're
455 * inside a security restriction context.
456 *
457 * This is needed to protect session-local state for which there is not any
458 * better-defined protection mechanism, such as ownership.
459 */
460static void
461CheckRestrictedOperation(const char *cmdname)
462{
463 if (InSecurityRestrictedOperation())
464 ereport(ERROR,
465 (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
466 /* translator: %s is name of a SQL command, eg PREPARE */
467 errmsg("cannot execute %s within security-restricted operation",
468 cmdname)));
469}
470
471/*
472 * ProcessUtility
473 * general utility function invoker
474 *
475 * pstmt: PlannedStmt wrapper for the utility statement
476 * queryString: original source text of command
477 * readOnlyTree: if true, pstmt's node tree must not be modified
478 * context: identifies source of statement (toplevel client command,
479 * non-toplevel client command, subcommand of a larger utility command)
480 * params: parameters to use during execution
481 * queryEnv: environment for parse through execution (e.g., ephemeral named
482 * tables like trigger transition tables). May be NULL.
483 * dest: where to send results
484 * qc: where to store command completion status data. May be NULL,
485 * but if not, then caller must have initialized it.
486 *
487 * Caller MUST supply a queryString; it is not allowed (anymore) to pass NULL.
488 * If you really don't have source text, you can pass a constant string,
489 * perhaps "(query not available)".
490 *
491 * Note for users of ProcessUtility_hook: the same queryString may be passed
492 * to multiple invocations of ProcessUtility when processing a query string
493 * containing multiple semicolon-separated statements. One should use
494 * pstmt->stmt_location and pstmt->stmt_len to identify the substring
495 * containing the current statement. Keep in mind also that some utility
496 * statements (e.g., CREATE SCHEMA) will recurse to ProcessUtility to process
497 * sub-statements, often passing down the same queryString, stmt_location,
498 * and stmt_len that were given for the whole statement.
499 */
500void
501ProcessUtility(PlannedStmt *pstmt,
502 const char *queryString,
503 bool readOnlyTree,
504 ProcessUtilityContext context,
505 ParamListInfo params,
506 QueryEnvironment *queryEnv,
507 DestReceiver *dest,
508 QueryCompletion *qc)
509{
510 Assert(IsA(pstmt, PlannedStmt));
511 Assert(pstmt->commandType == CMD_UTILITY);
512 Assert(queryString != NULL); /* required as of 8.4 */
513 Assert(qc == NULL || qc->commandTag == CMDTAG_UNKNOWN);
514
515 /*
516 * We provide a function hook variable that lets loadable plugins get
517 * control when ProcessUtility is called. Such a plugin would normally
518 * call standard_ProcessUtility().
519 */
520 if (ProcessUtility_hook)
521 (*ProcessUtility_hook) (pstmt, queryString, readOnlyTree,
522 context, params, queryEnv,
523 dest, qc);
524 else
525 standard_ProcessUtility(pstmt, queryString, readOnlyTree,
526 context, params, queryEnv,
527 dest, qc);
528}
529
530/*
531 * standard_ProcessUtility itself deals only with utility commands for
532 * which we do not provide event trigger support. Commands that do have
533 * such support are passed down to ProcessUtilitySlow, which contains the
534 * necessary infrastructure for such triggers.
535 *
536 * This division is not just for performance: it's critical that the
537 * event trigger code not be invoked when doing START TRANSACTION for
538 * example, because we might need to refresh the event trigger cache,
539 * which requires being in a valid transaction.
540 *
541 * When adding or moving utility commands, check that the documentation in
542 * event-trigger.sgml is kept up to date.
543 */
544void
545standard_ProcessUtility(PlannedStmt *pstmt,
546 const char *queryString,
547 bool readOnlyTree,
548 ProcessUtilityContext context,
549 ParamListInfo params,
550 QueryEnvironment *queryEnv,
551 DestReceiver *dest,
552 QueryCompletion *qc)
553{
554 Node *parsetree;
555 bool isTopLevel = (context == PROCESS_UTILITY_TOPLEVEL);
556 bool isAtomicContext = (!(context == PROCESS_UTILITY_TOPLEVEL || context == PROCESS_UTILITY_QUERY_NONATOMIC) || IsTransactionBlock());
557 ParseState *pstate;
558 int readonly_flags;
559
560 /* This can recurse, so check for excessive recursion */
561 check_stack_depth();
562
563 /*
564 * If the given node tree is read-only, make a copy to ensure that parse
565 * transformations don't damage the original tree. This could be
566 * refactored to avoid making unnecessary copies in more cases, but it's
567 * not clear that it's worth a great deal of trouble over. Statements
568 * that are complex enough to be expensive to copy are exactly the ones
569 * we'd need to copy, so that only marginal savings seem possible.
570 */
571 if (readOnlyTree)
572 pstmt = copyObject(pstmt);
573 parsetree = pstmt->utilityStmt;
574
575 /* Prohibit read/write commands in read-only states. */
576 readonly_flags = ClassifyUtilityCommandAsReadOnly(parsetree);
577 if (readonly_flags != COMMAND_IS_STRICTLY_READ_ONLY &&
578 (XactReadOnly || IsInParallelMode()))
579 {
580 CommandTag commandtag = CreateCommandTag(parsetree);
581
582 if ((readonly_flags & COMMAND_OK_IN_READ_ONLY_TXN) == 0)
583 PreventCommandIfReadOnly(GetCommandTagName(commandtag));
584 if ((readonly_flags & COMMAND_OK_IN_PARALLEL_MODE) == 0)
585 PreventCommandIfParallelMode(GetCommandTagName(commandtag));
586 if ((readonly_flags & COMMAND_OK_IN_RECOVERY) == 0)
587 PreventCommandDuringRecovery(GetCommandTagName(commandtag));
588 }
589
590 pstate = make_parsestate(NULL);
591 pstate->p_sourcetext = queryString;
592 pstate->p_queryEnv = queryEnv;
593
594 switch (nodeTag(parsetree))
595 {
596 /*
597 * ******************** transactions ********************
598 */
599 case T_TransactionStmt:
600 {
601 TransactionStmt *stmt = (TransactionStmt *) parsetree;
602
603 switch (stmt->kind)
604 {
605 /*
606 * START TRANSACTION, as defined by SQL99: Identical
607 * to BEGIN. Same code for both.
608 */
609 case TRANS_STMT_BEGIN:
610 case TRANS_STMT_START:
611 {
612 ListCell *lc;
613
614 BeginTransactionBlock();
615 foreach(lc, stmt->options)
616 {
617 DefElem *item = (DefElem *) lfirst(lc);
618
619 if (strcmp(item->defname, "transaction_isolation") == 0)
620 SetPGVariable("transaction_isolation",
621 list_make1(item->arg),
622 true);
623 else if (strcmp(item->defname, "transaction_read_only") == 0)
624 SetPGVariable("transaction_read_only",
625 list_make1(item->arg),
626 true);
627 else if (strcmp(item->defname, "transaction_deferrable") == 0)
628 SetPGVariable("transaction_deferrable",
629 list_make1(item->arg),
630 true);
631 }
632 }
633 break;
634
635 case TRANS_STMT_COMMIT:
636 if (!EndTransactionBlock(stmt->chain))
637 {
638 /* report unsuccessful commit in qc */
639 if (qc)
640 SetQueryCompletion(qc, CMDTAG_ROLLBACK, 0);
641 }
642 break;
643
644 case TRANS_STMT_PREPARE:
645 if (!PrepareTransactionBlock(stmt->gid))
646 {
647 /* report unsuccessful commit in qc */
648 if (qc)
649 SetQueryCompletion(qc, CMDTAG_ROLLBACK, 0);
650 }
651 break;
652
653 case TRANS_STMT_COMMIT_PREPARED:
654 PreventInTransactionBlock(isTopLevel, "COMMIT PREPARED");
655 FinishPreparedTransaction(stmt->gid, true);
656 break;
657
658 case TRANS_STMT_ROLLBACK_PREPARED:
659 PreventInTransactionBlock(isTopLevel, "ROLLBACK PREPARED");
660 FinishPreparedTransaction(stmt->gid, false);
661 break;
662
663 case TRANS_STMT_ROLLBACK:
664 UserAbortTransactionBlock(stmt->chain);
665 break;
666
667 case TRANS_STMT_SAVEPOINT:
668 RequireTransactionBlock(isTopLevel, "SAVEPOINT");
669 DefineSavepoint(stmt->savepoint_name);
670 break;
671
672 case TRANS_STMT_RELEASE:
673 RequireTransactionBlock(isTopLevel, "RELEASE SAVEPOINT");
674 ReleaseSavepoint(stmt->savepoint_name);
675 break;
676
677 case TRANS_STMT_ROLLBACK_TO:
678 RequireTransactionBlock(isTopLevel, "ROLLBACK TO SAVEPOINT");
679 RollbackToSavepoint(stmt->savepoint_name);
680
681 /*
682 * CommitTransactionCommand is in charge of
683 * re-defining the savepoint again
684 */
685 break;
686 }
687 }
688 break;
689
690 /*
691 * Portal (cursor) manipulation
692 */
693 case T_DeclareCursorStmt:
694 PerformCursorOpen(pstate, (DeclareCursorStmt *) parsetree, params,
695 isTopLevel);
696 break;
697
698 case T_ClosePortalStmt:
699 {
700 ClosePortalStmt *stmt = (ClosePortalStmt *) parsetree;
701
702 CheckRestrictedOperation("CLOSE");
703 PerformPortalClose(stmt->portalname);
704 }
705 break;
706
707 case T_FetchStmt:
708 PerformPortalFetch((FetchStmt *) parsetree, dest, qc);
709 break;
710
711 case T_DoStmt:
712 ExecuteDoStmt(pstate, (DoStmt *) parsetree, isAtomicContext);
713 break;
714
715 case T_CreateTableSpaceStmt:
716 /* no event triggers for global objects */
717 PreventInTransactionBlock(isTopLevel, "CREATE TABLESPACE");
718 CreateTableSpace((CreateTableSpaceStmt *) parsetree);
719 break;
720
721 case T_DropTableSpaceStmt:
722 /* no event triggers for global objects */
723 PreventInTransactionBlock(isTopLevel, "DROP TABLESPACE");
724 DropTableSpace((DropTableSpaceStmt *) parsetree);
725 break;
726
727 case T_AlterTableSpaceOptionsStmt:
728 /* no event triggers for global objects */
729 AlterTableSpaceOptions((AlterTableSpaceOptionsStmt *) parsetree);
730 break;
731
732 case T_TruncateStmt:
733 ExecuteTruncate((TruncateStmt *) parsetree);
734 break;
735
736 case T_CopyStmt:
737 {
738 uint64 processed;
739
740 DoCopy(pstate, (CopyStmt *) parsetree,
741 pstmt->stmt_location, pstmt->stmt_len,
742 &processed);
743 if (qc)
744 SetQueryCompletion(qc, CMDTAG_COPY, processed);
745 }
746 break;
747
748 case T_PrepareStmt:
749 CheckRestrictedOperation("PREPARE");
750 PrepareQuery(pstate, (PrepareStmt *) parsetree,
751 pstmt->stmt_location, pstmt->stmt_len);
752 break;
753
754 case T_ExecuteStmt:
755 ExecuteQuery(pstate,
756 (ExecuteStmt *) parsetree, NULL,
757 params,
758 dest, qc);
759 break;
760
761 case T_DeallocateStmt:
762 CheckRestrictedOperation("DEALLOCATE");
763 DeallocateQuery((DeallocateStmt *) parsetree);
764 break;
765
766 case T_GrantRoleStmt:
767 /* no event triggers for global objects */
768 GrantRole(pstate, (GrantRoleStmt *) parsetree);
769 break;
770
771 case T_CreatedbStmt:
772 /* no event triggers for global objects */
773 PreventInTransactionBlock(isTopLevel, "CREATE DATABASE");
774 createdb(pstate, (CreatedbStmt *) parsetree);
775 break;
776
777 case T_AlterDatabaseStmt:
778 /* no event triggers for global objects */
779 AlterDatabase(pstate, (AlterDatabaseStmt *) parsetree, isTopLevel);
780 break;
781
782 case T_AlterDatabaseRefreshCollStmt:
783 /* no event triggers for global objects */
784 AlterDatabaseRefreshColl((AlterDatabaseRefreshCollStmt *) parsetree);
785 break;
786
787 case T_AlterDatabaseSetStmt:
788 /* no event triggers for global objects */
789 AlterDatabaseSet((AlterDatabaseSetStmt *) parsetree);
790 break;
791
792 case T_DropdbStmt:
793 /* no event triggers for global objects */
794 PreventInTransactionBlock(isTopLevel, "DROP DATABASE");
795 DropDatabase(pstate, (DropdbStmt *) parsetree);
796 break;
797
798 /* Query-level asynchronous notification */
799 case T_NotifyStmt:
800 {
801 NotifyStmt *stmt = (NotifyStmt *) parsetree;
802
803 Async_Notify(stmt->conditionname, stmt->payload);
804 }
805 break;
806
807 case T_ListenStmt:
808 {
809 ListenStmt *stmt = (ListenStmt *) parsetree;
810
811 CheckRestrictedOperation("LISTEN");
812
813 /*
814 * We don't allow LISTEN in background processes, as there is
815 * no mechanism for them to collect NOTIFY messages, so they'd
816 * just block cleanout of the async SLRU indefinitely.
817 * (Authors of custom background workers could bypass this
818 * restriction by calling Async_Listen directly, but then it's
819 * on them to provide some mechanism to process the message
820 * queue.) Note there seems no reason to forbid UNLISTEN.
821 */
822 if (MyBackendType != B_BACKEND)
823 ereport(ERROR,
824 (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
825 /* translator: %s is name of a SQL command, eg LISTEN */
826 errmsg("cannot execute %s within a background process",
827 "LISTEN")));
828
829 Async_Listen(stmt->conditionname);
830 }
831 break;
832
833 case T_UnlistenStmt:
834 {
835 UnlistenStmt *stmt = (UnlistenStmt *) parsetree;
836
837 CheckRestrictedOperation("UNLISTEN");
838 if (stmt->conditionname)
839 Async_Unlisten(stmt->conditionname);
840 else
841 Async_UnlistenAll();
842 }
843 break;
844
845 case T_LoadStmt:
846 {
847 LoadStmt *stmt = (LoadStmt *) parsetree;
848
849 closeAllVfds(); /* probably not necessary... */
850 /* Allowed names are restricted if you're not superuser */
851 load_file(stmt->filename, !superuser());
852 }
853 break;
854
855 case T_CallStmt:
856 ExecuteCallStmt(castNode(CallStmt, parsetree), params, isAtomicContext, dest);
857 break;
858
859 case T_ClusterStmt:
860 cluster(pstate, (ClusterStmt *) parsetree, isTopLevel);
861 break;
862
863 case T_VacuumStmt:
864 ExecVacuum(pstate, (VacuumStmt *) parsetree, isTopLevel);
865 break;
866
867 case T_ExplainStmt:
868 ExplainQuery(pstate, (ExplainStmt *) parsetree, params, dest);
869 break;
870
871 case T_AlterSystemStmt:
872 PreventInTransactionBlock(isTopLevel, "ALTER SYSTEM");
873 AlterSystemSetConfigFile((AlterSystemStmt *) parsetree);
874 break;
875
876 case T_VariableSetStmt:
877 ExecSetVariableStmt((VariableSetStmt *) parsetree, isTopLevel);
878 break;
879
880 case T_VariableShowStmt:
881 {
882 VariableShowStmt *n = (VariableShowStmt *) parsetree;
883
884 GetPGVariable(n->name, dest);
885 }
886 break;
887
888 case T_DiscardStmt:
889 /* should we allow DISCARD PLANS? */
890 CheckRestrictedOperation("DISCARD");
891 DiscardCommand((DiscardStmt *) parsetree, isTopLevel);
892 break;
893
894 case T_CreateEventTrigStmt:
895 /* no event triggers on event triggers */
896 CreateEventTrigger((CreateEventTrigStmt *) parsetree);
897 break;
898
899 case T_AlterEventTrigStmt:
900 /* no event triggers on event triggers */
901 AlterEventTrigger((AlterEventTrigStmt *) parsetree);
902 break;
903
904 /*
905 * ******************************** ROLE statements ****
906 */
907 case T_CreateRoleStmt:
908 /* no event triggers for global objects */
909 CreateRole(pstate, (CreateRoleStmt *) parsetree);
910 break;
911
912 case T_AlterRoleStmt:
913 /* no event triggers for global objects */
914 AlterRole(pstate, (AlterRoleStmt *) parsetree);
915 break;
916
917 case T_AlterRoleSetStmt:
918 /* no event triggers for global objects */
919 AlterRoleSet((AlterRoleSetStmt *) parsetree);
920 break;
921
922 case T_DropRoleStmt:
923 /* no event triggers for global objects */
924 DropRole((DropRoleStmt *) parsetree);
925 break;
926
927 case T_ReassignOwnedStmt:
928 /* no event triggers for global objects */
929 ReassignOwnedObjects((ReassignOwnedStmt *) parsetree);
930 break;
931
932 case T_LockStmt:
933
934 /*
935 * Since the lock would just get dropped immediately, LOCK TABLE
936 * outside a transaction block is presumed to be user error.
937 */
938 RequireTransactionBlock(isTopLevel, "LOCK TABLE");
939 LockTableCommand((LockStmt *) parsetree);
940 break;
941
942 case T_ConstraintsSetStmt:
943 WarnNoTransactionBlock(isTopLevel, "SET CONSTRAINTS");
944 AfterTriggerSetState((ConstraintsSetStmt *) parsetree);
945 break;
946
947 case T_CheckPointStmt:
948 ExecCheckpoint(pstate, (CheckPointStmt *) parsetree);
949 break;
950
951 /*
952 * The following statements are supported by Event Triggers only
953 * in some cases, so we "fast path" them in the other cases.
954 */
955
956 case T_GrantStmt:
957 {
958 GrantStmt *stmt = (GrantStmt *) parsetree;
959
960 if (EventTriggerSupportsObjectType(stmt->objtype))
961 ProcessUtilitySlow(pstate, pstmt, queryString,
962 context, params, queryEnv,
963 dest, qc);
964 else
965 ExecuteGrantStmt(stmt);
966 }
967 break;
968
969 case T_DropStmt:
970 {
971 DropStmt *stmt = (DropStmt *) parsetree;
972
973 if (EventTriggerSupportsObjectType(stmt->removeType))
974 ProcessUtilitySlow(pstate, pstmt, queryString,
975 context, params, queryEnv,
976 dest, qc);
977 else
978 ExecDropStmt(stmt, isTopLevel);
979 }
980 break;
981
982 case T_RenameStmt:
983 {
984 RenameStmt *stmt = (RenameStmt *) parsetree;
985
986 if (EventTriggerSupportsObjectType(stmt->renameType))
987 ProcessUtilitySlow(pstate, pstmt, queryString,
988 context, params, queryEnv,
989 dest, qc);
990 else
991 ExecRenameStmt(stmt);
992 }
993 break;
994
995 case T_AlterObjectDependsStmt:
996 {
997 AlterObjectDependsStmt *stmt = (AlterObjectDependsStmt *) parsetree;
998
999 if (EventTriggerSupportsObjectType(stmt->objectType))
1000 ProcessUtilitySlow(pstate, pstmt, queryString,
1001 context, params, queryEnv,
1002 dest, qc);
1003 else
1004 ExecAlterObjectDependsStmt(stmt, NULL);
1005 }
1006 break;
1007
1008 case T_AlterObjectSchemaStmt:
1009 {
1010 AlterObjectSchemaStmt *stmt = (AlterObjectSchemaStmt *) parsetree;
1011
1012 if (EventTriggerSupportsObjectType(stmt->objectType))
1013 ProcessUtilitySlow(pstate, pstmt, queryString,
1014 context, params, queryEnv,
1015 dest, qc);
1016 else
1017 ExecAlterObjectSchemaStmt(stmt, NULL);
1018 }
1019 break;
1020
1021 case T_AlterOwnerStmt:
1022 {
1023 AlterOwnerStmt *stmt = (AlterOwnerStmt *) parsetree;
1024
1025 if (EventTriggerSupportsObjectType(stmt->objectType))
1026 ProcessUtilitySlow(pstate, pstmt, queryString,
1027 context, params, queryEnv,
1028 dest, qc);
1029 else
1030 ExecAlterOwnerStmt(stmt);
1031 }
1032 break;
1033
1034 case T_CommentStmt:
1035 {
1036 CommentStmt *stmt = (CommentStmt *) parsetree;
1037
1038 if (EventTriggerSupportsObjectType(stmt->objtype))
1039 ProcessUtilitySlow(pstate, pstmt, queryString,
1040 context, params, queryEnv,
1041 dest, qc);
1042 else
1043 CommentObject(stmt);
1044 break;
1045 }
1046
1047 case T_SecLabelStmt:
1048 {
1049 SecLabelStmt *stmt = (SecLabelStmt *) parsetree;
1050
1051 if (EventTriggerSupportsObjectType(stmt->objtype))
1052 ProcessUtilitySlow(pstate, pstmt, queryString,
1053 context, params, queryEnv,
1054 dest, qc);
1055 else
1056 ExecSecLabelStmt(stmt);
1057 break;
1058 }
1059
1060 case T_WaitStmt:
1061 {
1062 ExecWaitStmt(pstate, (WaitStmt *) parsetree, dest);
1063 }
1064 break;
1065
1066 default:
1067 /* All other statement types have event trigger support */
1068 ProcessUtilitySlow(pstate, pstmt, queryString,
1069 context, params, queryEnv,
1070 dest, qc);
1071 break;
1072 }
1073
1074 free_parsestate(pstate);
1075
1076 /*
1077 * Make effects of commands visible, for instance so that
1078 * PreCommit_on_commit_actions() can see them (see for example bug
1079 * #15631).
1080 */
1081 CommandCounterIncrement();
1082}
1083
1084/*
1085 * The "Slow" variant of ProcessUtility should only receive statements
1086 * supported by the event triggers facility. Therefore, we always
1087 * perform the trigger support calls if the context allows it.
1088 */
1089static void
1090ProcessUtilitySlow(ParseState *pstate,
1091 PlannedStmt *pstmt,
1092 const char *queryString,
1093 ProcessUtilityContext context,
1094 ParamListInfo params,
1095 QueryEnvironment *queryEnv,
1096 DestReceiver *dest,
1097 QueryCompletion *qc)
1098{
1099 Node *parsetree = pstmt->utilityStmt;
1100 bool isTopLevel = (context == PROCESS_UTILITY_TOPLEVEL);
1101 bool isCompleteQuery = (context != PROCESS_UTILITY_SUBCOMMAND);
1102 bool needCleanup;
1103 bool commandCollected = false;
1104 ObjectAddress address;
1105 ObjectAddress secondaryObject = InvalidObjectAddress;
1106
1107 /* All event trigger calls are done only when isCompleteQuery is true */
1108 needCleanup = isCompleteQuery && EventTriggerBeginCompleteQuery();
1109
1110 /* PG_TRY block is to ensure we call EventTriggerEndCompleteQuery */
1111 PG_TRY();
1112 {
1113 if (isCompleteQuery)
1114 EventTriggerDDLCommandStart(parsetree);
1115
1116 switch (nodeTag(parsetree))
1117 {
1118 /*
1119 * relation and attribute manipulation
1120 */
1121 case T_CreateSchemaStmt:
1122 CreateSchemaCommand((CreateSchemaStmt *) parsetree,
1123 queryString,
1124 pstmt->stmt_location,
1125 pstmt->stmt_len);
1126
1127 /*
1128 * EventTriggerCollectSimpleCommand called by
1129 * CreateSchemaCommand
1130 */
1131 commandCollected = true;
1132 break;
1133
1134 case T_CreateStmt:
1135 case T_CreateForeignTableStmt:
1136 {
1137 List *stmts;
1138 RangeVar *table_rv = NULL;
1139
1140 /* Run parse analysis ... */
1141 stmts = transformCreateStmt((CreateStmt *) parsetree,
1142 queryString);
1143
1144 /*
1145 * ... and do it. We can't use foreach() because we may
1146 * modify the list midway through, so pick off the
1147 * elements one at a time, the hard way.
1148 */
1149 while (stmts != NIL)
1150 {
1151 Node *stmt = (Node *) linitial(stmts);
1152
1153 stmts = list_delete_first(stmts);
1154
1155 if (IsA(stmt, CreateStmt))
1156 {
1157 CreateStmt *cstmt = (CreateStmt *) stmt;
1158 Datum toast_options;
1159 const char *const validnsps[] = HEAP_RELOPT_NAMESPACES;
1160
1161 /* Remember transformed RangeVar for LIKE */
1162 table_rv = cstmt->relation;
1163
1164 /* Create the table itself */
1165 address = DefineRelation(cstmt,
1166 RELKIND_RELATION,
1167 InvalidOid, NULL,
1168 queryString);
1169 EventTriggerCollectSimpleCommand(address,
1170 secondaryObject,
1171 stmt);
1172
1173 /*
1174 * Let NewRelationCreateToastTable decide if this
1175 * one needs a secondary relation too.
1176 */
1177 CommandCounterIncrement();
1178
1179 /*
1180 * parse and validate reloptions for the toast
1181 * table
1182 */
1183 toast_options = transformRelOptions((Datum) 0,
1184 cstmt->options,
1185 "toast",
1186 validnsps,
1187 true,
1188 false);
1189 (void) heap_reloptions(RELKIND_TOASTVALUE,
1190 toast_options,
1191 true);
1192
1193 NewRelationCreateToastTable(address.objectId,
1194 toast_options);
1195 }
1196 else if (IsA(stmt, CreateForeignTableStmt))
1197 {
1198 CreateForeignTableStmt *cstmt = (CreateForeignTableStmt *) stmt;
1199
1200 /* Remember transformed RangeVar for LIKE */
1201 table_rv = cstmt->base.relation;
1202
1203 /* Create the table itself */
1204 address = DefineRelation(&cstmt->base,
1205 RELKIND_FOREIGN_TABLE,
1206 InvalidOid, NULL,
1207 queryString);
1208 CreateForeignTable(cstmt,
1209 address.objectId);
1210 EventTriggerCollectSimpleCommand(address,
1211 secondaryObject,
1212 stmt);
1213 }
1214 else if (IsA(stmt, TableLikeClause))
1215 {
1216 /*
1217 * Do delayed processing of LIKE options. This
1218 * will result in additional sub-statements for us
1219 * to process. Those should get done before any
1220 * remaining actions, so prepend them to "stmts".
1221 */
1222 TableLikeClause *like = (TableLikeClause *) stmt;
1223 List *morestmts;
1224
1225 Assert(table_rv != NULL);
1226
1227 morestmts = expandTableLikeClause(table_rv, like);
1228 stmts = list_concat(morestmts, stmts);
1229 }
1230 else
1231 {
1232 /*
1233 * Recurse for anything else. Note the recursive
1234 * call will stash the objects so created into our
1235 * event trigger context.
1236 */
1237 PlannedStmt *wrapper;
1238
1239 wrapper = makeNode(PlannedStmt);
1240 wrapper->commandType = CMD_UTILITY;
1241 wrapper->canSetTag = false;
1242 wrapper->utilityStmt = stmt;
1243 wrapper->stmt_location = pstmt->stmt_location;
1244 wrapper->stmt_len = pstmt->stmt_len;
1245 wrapper->planOrigin = PLAN_STMT_INTERNAL;
1246
1247 ProcessUtility(wrapper,
1248 queryString,
1249 false,
1250 PROCESS_UTILITY_SUBCOMMAND,
1251 params,
1252 NULL,
1253 None_Receiver,
1254 NULL);
1255 }
1256
1257 /* Need CCI between commands */
1258 if (stmts != NIL)
1259 CommandCounterIncrement();
1260 }
1261
1262 /*
1263 * The multiple commands generated here are stashed
1264 * individually, so disable collection below.
1265 */
1266 commandCollected = true;
1267 }
1268 break;
1269
1270 case T_AlterTableStmt:
1271 {
1272 AlterTableStmt *atstmt = (AlterTableStmt *) parsetree;
1273 Oid relid;
1274 LOCKMODE lockmode;
1275 ListCell *cell;
1276
1277 /*
1278 * Disallow ALTER TABLE .. DETACH CONCURRENTLY in a
1279 * transaction block or function. (Perhaps it could be
1280 * allowed in a procedure, but don't hold your breath.)
1281 */
1282 foreach(cell, atstmt->cmds)
1283 {
1284 AlterTableCmd *cmd = (AlterTableCmd *) lfirst(cell);
1285
1286 /* Disallow DETACH CONCURRENTLY in a transaction block */
1287 if (cmd->subtype == AT_DetachPartition)
1288 {
1289 if (((PartitionCmd *) cmd->def)->concurrent)
1290 PreventInTransactionBlock(isTopLevel,
1291 "ALTER TABLE ... DETACH CONCURRENTLY");
1292 }
1293 }
1294
1295 /*
1296 * Figure out lock mode, and acquire lock. This also does
1297 * basic permissions checks, so that we won't wait for a
1298 * lock on (for example) a relation on which we have no
1299 * permissions.
1300 */
1301 lockmode = AlterTableGetLockLevel(atstmt->cmds);
1302 relid = AlterTableLookupRelation(atstmt, lockmode);
1303
1304 if (OidIsValid(relid))
1305 {
1306 AlterTableUtilityContext atcontext;
1307
1308 /* Set up info needed for recursive callbacks ... */
1309 atcontext.pstmt = pstmt;
1310 atcontext.queryString = queryString;
1311 atcontext.relid = relid;
1312 atcontext.params = params;
1313 atcontext.queryEnv = queryEnv;
1314
1315 /* ... ensure we have an event trigger context ... */
1316 EventTriggerAlterTableStart(parsetree);
1317 EventTriggerAlterTableRelid(relid);
1318
1319 /* ... and do it */
1320 AlterTable(atstmt, lockmode, &atcontext);
1321
1322 /* done */
1323 EventTriggerAlterTableEnd();
1324 }
1325 else
1326 ereport(NOTICE,
1327 (errmsg("relation \"%s\" does not exist, skipping",
1328 atstmt->relation->relname)));
1329 }
1330
1331 /* ALTER TABLE stashes commands internally */
1332 commandCollected = true;
1333 break;
1334
1335 case T_AlterDomainStmt:
1336 {
1337 AlterDomainStmt *stmt = (AlterDomainStmt *) parsetree;
1338
1339 /*
1340 * Some or all of these functions are recursive to cover
1341 * inherited things, so permission checks are done there.
1342 */
1343 switch (stmt->subtype)
1344 {
1345 case AD_AlterDefault:
1346
1347 /*
1348 * Recursively alter column default for table and,
1349 * if requested, for descendants
1350 */
1351 address =
1352 AlterDomainDefault(stmt->typeName,
1353 stmt->def);
1354 break;
1355 case AD_DropNotNull:
1356 address =
1357 AlterDomainNotNull(stmt->typeName,
1358 false);
1359 break;
1360 case AD_SetNotNull:
1361 address =
1362 AlterDomainNotNull(stmt->typeName,
1363 true);
1364 break;
1365 case AD_AddConstraint:
1366 address =
1367 AlterDomainAddConstraint(stmt->typeName,
1368 stmt->def,
1369 &secondaryObject);
1370 break;
1371 case AD_DropConstraint:
1372 address =
1373 AlterDomainDropConstraint(stmt->typeName,
1374 stmt->name,
1375 stmt->behavior,
1376 stmt->missing_ok);
1377 break;
1378 case AD_ValidateConstraint:
1379 address =
1380 AlterDomainValidateConstraint(stmt->typeName,
1381 stmt->name);
1382 break;
1383 default: /* oops */
1384 elog(ERROR, "unrecognized alter domain type: %d",
1385 (int) stmt->subtype);
1386 break;
1387 }
1388 }
1389 break;
1390
1391 /*
1392 * ************* object creation / destruction **************
1393 */
1394 case T_DefineStmt:
1395 {
1396 DefineStmt *stmt = (DefineStmt *) parsetree;
1397
1398 switch (stmt->kind)
1399 {
1400 case OBJECT_AGGREGATE:
1401 address =
1402 DefineAggregate(pstate, stmt->defnames, stmt->args,
1403 stmt->oldstyle,
1404 stmt->definition,
1405 stmt->replace);
1406 break;
1407 case OBJECT_OPERATOR:
1408 Assert(stmt->args == NIL);
1409 address = DefineOperator(stmt->defnames,
1410 stmt->definition);
1411 break;
1412 case OBJECT_TYPE:
1413 Assert(stmt->args == NIL);
1414 address = DefineType(pstate,
1415 stmt->defnames,
1416 stmt->definition);
1417 break;
1418 case OBJECT_TSPARSER:
1419 Assert(stmt->args == NIL);
1420 address = DefineTSParser(stmt->defnames,
1421 stmt->definition);
1422 break;
1423 case OBJECT_TSDICTIONARY:
1424 Assert(stmt->args == NIL);
1425 address = DefineTSDictionary(stmt->defnames,
1426 stmt->definition);
1427 break;
1428 case OBJECT_TSTEMPLATE:
1429 Assert(stmt->args == NIL);
1430 address = DefineTSTemplate(stmt->defnames,
1431 stmt->definition);
1432 break;
1433 case OBJECT_TSCONFIGURATION:
1434 Assert(stmt->args == NIL);
1435 address = DefineTSConfiguration(stmt->defnames,
1436 stmt->definition,
1437 &secondaryObject);
1438 break;
1439 case OBJECT_COLLATION:
1440 Assert(stmt->args == NIL);
1441 address = DefineCollation(pstate,
1442 stmt->defnames,
1443 stmt->definition,
1444 stmt->if_not_exists);
1445 break;
1446 default:
1447 elog(ERROR, "unrecognized define stmt type: %d",
1448 (int) stmt->kind);
1449 break;
1450 }
1451 }
1452 break;
1453
1454 case T_IndexStmt: /* CREATE INDEX */
1455 {
1456 IndexStmt *stmt = (IndexStmt *) parsetree;
1457 Oid relid;
1458 LOCKMODE lockmode;
1459 int nparts = -1;
1460 bool is_alter_table;
1461
1462 if (stmt->concurrent)
1463 PreventInTransactionBlock(isTopLevel,
1464 "CREATE INDEX CONCURRENTLY");
1465
1466 /*
1467 * Look up the relation OID just once, right here at the
1468 * beginning, so that we don't end up repeating the name
1469 * lookup later and latching onto a different relation
1470 * partway through. To avoid lock upgrade hazards, it's
1471 * important that we take the strongest lock that will
1472 * eventually be needed here, so the lockmode calculation
1473 * needs to match what DefineIndex() does.
1474 */
1475 lockmode = stmt->concurrent ? ShareUpdateExclusiveLock
1476 : ShareLock;
1477 relid =
1478 RangeVarGetRelidExtended(stmt->relation, lockmode,
1479 0,
1480 RangeVarCallbackOwnsRelation,
1481 NULL);
1482
1483 /*
1484 * CREATE INDEX on partitioned tables (but not regular
1485 * inherited tables) recurses to partitions, so we must
1486 * acquire locks early to avoid deadlocks.
1487 *
1488 * We also take the opportunity to verify that all
1489 * partitions are something we can put an index on, to
1490 * avoid building some indexes only to fail later. While
1491 * at it, also count the partitions, so that DefineIndex
1492 * needn't do a duplicative find_all_inheritors search.
1493 */
1494 if (stmt->relation->inh &&
1495 get_rel_relkind(relid) == RELKIND_PARTITIONED_TABLE)
1496 {
1497 ListCell *lc;
1498 List *inheritors = NIL;
1499
1500 inheritors = find_all_inheritors(relid, lockmode, NULL);
1501 foreach(lc, inheritors)
1502 {
1503 Oid partrelid = lfirst_oid(lc);
1504 char relkind = get_rel_relkind(partrelid);
1505
1506 if (relkind != RELKIND_RELATION &&
1507 relkind != RELKIND_MATVIEW &&
1508 relkind != RELKIND_PARTITIONED_TABLE &&
1509 relkind != RELKIND_FOREIGN_TABLE)
1510 elog(ERROR, "unexpected relkind \"%c\" on partition \"%s\"",
1511 relkind, stmt->relation->relname);
1512
1513 if (relkind == RELKIND_FOREIGN_TABLE &&
1514 (stmt->unique || stmt->primary))
1515 ereport(ERROR,
1516 (errcode(ERRCODE_WRONG_OBJECT_TYPE),
1517 errmsg("cannot create unique index on partitioned table \"%s\"",
1518 stmt->relation->relname),
1519 errdetail("Table \"%s\" contains partitions that are foreign tables.",
1520 stmt->relation->relname)));
1521 }
1522 /* count direct and indirect children, but not rel */
1523 nparts = list_length(inheritors) - 1;
1524 list_free(inheritors);
1525 }
1526
1527 /*
1528 * If the IndexStmt is already transformed, it must have
1529 * come from generateClonedIndexStmt, which in current
1530 * usage means it came from expandTableLikeClause rather
1531 * than from original parse analysis. And that means we
1532 * must treat it like ALTER TABLE ADD INDEX, not CREATE.
1533 * (This is a bit grotty, but currently it doesn't seem
1534 * worth adding a separate bool field for the purpose.)
1535 */
1536 is_alter_table = stmt->transformed;
1537
1538 /* Run parse analysis ... */
1539 stmt = transformIndexStmt(relid, stmt, queryString);
1540
1541 /* ... and do it */
1542 EventTriggerAlterTableStart(parsetree);
1543 address =
1544 DefineIndex(pstate,
1545 relid, /* OID of heap relation */
1546 stmt,
1547 InvalidOid, /* no predefined OID */
1548 InvalidOid, /* no parent index */
1549 InvalidOid, /* no parent constraint */
1550 nparts, /* # of partitions, or -1 */
1551 is_alter_table,
1552 true, /* check_rights */
1553 true, /* check_not_in_use */
1554 false, /* skip_build */
1555 false); /* quiet */
1556
1557 /*
1558 * Add the CREATE INDEX node itself to stash right away;
1559 * if there were any commands stashed in the ALTER TABLE
1560 * code, we need them to appear after this one.
1561 */
1562 EventTriggerCollectSimpleCommand(address, secondaryObject,
1563 parsetree);
1564 commandCollected = true;
1565 EventTriggerAlterTableEnd();
1566 }
1567 break;
1568
1569 case T_ReindexStmt:
1570 ExecReindex(pstate, (ReindexStmt *) parsetree, isTopLevel);
1571
1572 /* EventTriggerCollectSimpleCommand is called directly */
1573 commandCollected = true;
1574 break;
1575
1576 case T_CreateExtensionStmt:
1577 address = CreateExtension(pstate, (CreateExtensionStmt *) parsetree);
1578 break;
1579
1580 case T_AlterExtensionStmt:
1581 address = ExecAlterExtensionStmt(pstate, (AlterExtensionStmt *) parsetree);
1582 break;
1583
1584 case T_AlterExtensionContentsStmt:
1585 address = ExecAlterExtensionContentsStmt((AlterExtensionContentsStmt *) parsetree,
1586 &secondaryObject);
1587 break;
1588
1589 case T_CreateFdwStmt:
1590 address = CreateForeignDataWrapper(pstate, (CreateFdwStmt *) parsetree);
1591 break;
1592
1593 case T_AlterFdwStmt:
1594 address = AlterForeignDataWrapper(pstate, (AlterFdwStmt *) parsetree);
1595 break;
1596
1597 case T_CreateForeignServerStmt:
1598 address = CreateForeignServer((CreateForeignServerStmt *) parsetree);
1599 break;
1600
1601 case T_AlterForeignServerStmt:
1602 address = AlterForeignServer((AlterForeignServerStmt *) parsetree);
1603 break;
1604
1605 case T_CreateUserMappingStmt:
1606 address = CreateUserMapping((CreateUserMappingStmt *) parsetree);
1607 break;
1608
1609 case T_AlterUserMappingStmt:
1610 address = AlterUserMapping((AlterUserMappingStmt *) parsetree);
1611 break;
1612
1613 case T_DropUserMappingStmt:
1614 RemoveUserMapping((DropUserMappingStmt *) parsetree);
1615 /* no commands stashed for DROP */
1616 commandCollected = true;
1617 break;
1618
1619 case T_ImportForeignSchemaStmt:
1620 ImportForeignSchema((ImportForeignSchemaStmt *) parsetree);
1621 /* commands are stashed inside ImportForeignSchema */
1622 commandCollected = true;
1623 break;
1624
1625 case T_CompositeTypeStmt: /* CREATE TYPE (composite) */
1626 {
1627 CompositeTypeStmt *stmt = (CompositeTypeStmt *) parsetree;
1628
1629 address = DefineCompositeType(stmt->typevar,
1630 stmt->coldeflist);
1631 }
1632 break;
1633
1634 case T_CreateEnumStmt: /* CREATE TYPE AS ENUM */
1635 address = DefineEnum((CreateEnumStmt *) parsetree);
1636 break;
1637
1638 case T_CreateRangeStmt: /* CREATE TYPE AS RANGE */
1639 address = DefineRange(pstate, (CreateRangeStmt *) parsetree);
1640 break;
1641
1642 case T_AlterEnumStmt: /* ALTER TYPE (enum) */
1643 address = AlterEnum((AlterEnumStmt *) parsetree);
1644 break;
1645
1646 case T_ViewStmt: /* CREATE VIEW */
1647 EventTriggerAlterTableStart(parsetree);
1648 address = DefineView((ViewStmt *) parsetree, queryString,
1649 pstmt->stmt_location, pstmt->stmt_len);
1650 EventTriggerCollectSimpleCommand(address, secondaryObject,
1651 parsetree);
1652 /* stashed internally */
1653 commandCollected = true;
1654 EventTriggerAlterTableEnd();
1655 break;
1656
1657 case T_CreateFunctionStmt: /* CREATE FUNCTION */
1658 address = CreateFunction(pstate, (CreateFunctionStmt *) parsetree);
1659 break;
1660
1661 case T_AlterFunctionStmt: /* ALTER FUNCTION */
1662 address = AlterFunction(pstate, (AlterFunctionStmt *) parsetree);
1663 break;
1664
1665 case T_RuleStmt: /* CREATE RULE */
1666 address = DefineRule((RuleStmt *) parsetree, queryString);
1667 break;
1668
1669 case T_CreateSeqStmt:
1670 address = DefineSequence(pstate, (CreateSeqStmt *) parsetree);
1671 break;
1672
1673 case T_AlterSeqStmt:
1674 address = AlterSequence(pstate, (AlterSeqStmt *) parsetree);
1675 break;
1676
1677 case T_CreateTableAsStmt:
1678 address = ExecCreateTableAs(pstate, (CreateTableAsStmt *) parsetree,
1679 params, queryEnv, qc);
1680 break;
1681
1682 case T_RefreshMatViewStmt:
1683
1684 /*
1685 * REFRESH CONCURRENTLY executes some DDL commands internally.
1686 * Inhibit DDL command collection here to avoid those commands
1687 * from showing up in the deparsed command queue. The refresh
1688 * command itself is queued, which is enough.
1689 */
1690 EventTriggerInhibitCommandCollection();
1691 PG_TRY(2);
1692 {
1693 address = ExecRefreshMatView((RefreshMatViewStmt *) parsetree,
1694 queryString, qc);
1695 }
1696 PG_FINALLY(2);
1697 {
1698 EventTriggerUndoInhibitCommandCollection();
1699 }
1700 PG_END_TRY(2);
1701 break;
1702
1703 case T_CreateTrigStmt:
1704 address = CreateTrigger((CreateTrigStmt *) parsetree,
1705 queryString, InvalidOid, InvalidOid,
1706 InvalidOid, InvalidOid, InvalidOid,
1707 InvalidOid, NULL, false, false);
1708 break;
1709
1710 case T_CreatePLangStmt:
1711 address = CreateProceduralLanguage((CreatePLangStmt *) parsetree);
1712 break;
1713
1714 case T_CreateDomainStmt:
1715 address = DefineDomain(pstate, (CreateDomainStmt *) parsetree);
1716 break;
1717
1718 case T_CreateConversionStmt:
1719 address = CreateConversionCommand((CreateConversionStmt *) parsetree);
1720 break;
1721
1722 case T_CreateCastStmt:
1723 address = CreateCast((CreateCastStmt *) parsetree);
1724 break;
1725
1726 case T_CreateOpClassStmt:
1727 DefineOpClass((CreateOpClassStmt *) parsetree);
1728 /* command is stashed in DefineOpClass */
1729 commandCollected = true;
1730 break;
1731
1732 case T_CreateOpFamilyStmt:
1733 address = DefineOpFamily((CreateOpFamilyStmt *) parsetree);
1734
1735 /*
1736 * DefineOpFamily calls EventTriggerCollectSimpleCommand
1737 * directly.
1738 */
1739 commandCollected = true;
1740 break;
1741
1742 case T_CreateTransformStmt:
1743 address = CreateTransform((CreateTransformStmt *) parsetree);
1744 break;
1745
1746 case T_AlterOpFamilyStmt:
1747 AlterOpFamily((AlterOpFamilyStmt *) parsetree);
1748 /* commands are stashed in AlterOpFamily */
1749 commandCollected = true;
1750 break;
1751
1752 case T_AlterTSDictionaryStmt:
1753 address = AlterTSDictionary((AlterTSDictionaryStmt *) parsetree);
1754 break;
1755
1756 case T_AlterTSConfigurationStmt:
1757 AlterTSConfiguration((AlterTSConfigurationStmt *) parsetree);
1758
1759 /*
1760 * Commands are stashed in MakeConfigurationMapping and
1761 * DropConfigurationMapping, which are called from
1762 * AlterTSConfiguration
1763 */
1764 commandCollected = true;
1765 break;
1766
1767 case T_AlterTableMoveAllStmt:
1768 AlterTableMoveAll((AlterTableMoveAllStmt *) parsetree);
1769 /* commands are stashed in AlterTableMoveAll */
1770 commandCollected = true;
1771 break;
1772
1773 case T_DropStmt:
1774 ExecDropStmt((DropStmt *) parsetree, isTopLevel);
1775 /* no commands stashed for DROP */
1776 commandCollected = true;
1777 break;
1778
1779 case T_RenameStmt:
1780 address = ExecRenameStmt((RenameStmt *) parsetree);
1781 break;
1782
1783 case T_AlterObjectDependsStmt:
1784 address =
1785 ExecAlterObjectDependsStmt((AlterObjectDependsStmt *) parsetree,
1786 &secondaryObject);
1787 break;
1788
1789 case T_AlterObjectSchemaStmt:
1790 address =
1791 ExecAlterObjectSchemaStmt((AlterObjectSchemaStmt *) parsetree,
1792 &secondaryObject);
1793 break;
1794
1795 case T_AlterOwnerStmt:
1796 address = ExecAlterOwnerStmt((AlterOwnerStmt *) parsetree);
1797 break;
1798
1799 case T_AlterOperatorStmt:
1800 address = AlterOperator((AlterOperatorStmt *) parsetree);
1801 break;
1802
1803 case T_AlterTypeStmt:
1804 address = AlterType((AlterTypeStmt *) parsetree);
1805 break;
1806
1807 case T_CommentStmt:
1808 address = CommentObject((CommentStmt *) parsetree);
1809 break;
1810
1811 case T_GrantStmt:
1812 ExecuteGrantStmt((GrantStmt *) parsetree);
1813 /* commands are stashed in ExecGrantStmt_oids */
1814 commandCollected = true;
1815 break;
1816
1817 case T_DropOwnedStmt:
1818 DropOwnedObjects((DropOwnedStmt *) parsetree);
1819 /* no commands stashed for DROP */
1820 commandCollected = true;
1821 break;
1822
1823 case T_AlterDefaultPrivilegesStmt:
1824 ExecAlterDefaultPrivilegesStmt(pstate, (AlterDefaultPrivilegesStmt *) parsetree);
1825 EventTriggerCollectAlterDefPrivs((AlterDefaultPrivilegesStmt *) parsetree);
1826 commandCollected = true;
1827 break;
1828
1829 case T_CreatePolicyStmt: /* CREATE POLICY */
1830 address = CreatePolicy((CreatePolicyStmt *) parsetree);
1831 break;
1832
1833 case T_AlterPolicyStmt: /* ALTER POLICY */
1834 address = AlterPolicy((AlterPolicyStmt *) parsetree);
1835 break;
1836
1837 case T_SecLabelStmt:
1838 address = ExecSecLabelStmt((SecLabelStmt *) parsetree);
1839 break;
1840
1841 case T_CreateAmStmt:
1842 address = CreateAccessMethod((CreateAmStmt *) parsetree);
1843 break;
1844
1845 case T_CreatePublicationStmt:
1846 address = CreatePublication(pstate, (CreatePublicationStmt *) parsetree);
1847 break;
1848
1849 case T_AlterPublicationStmt:
1850 AlterPublication(pstate, (AlterPublicationStmt *) parsetree);
1851
1852 /*
1853 * AlterPublication calls EventTriggerCollectSimpleCommand
1854 * directly
1855 */
1856 commandCollected = true;
1857 break;
1858
1859 case T_CreateSubscriptionStmt:
1860 address = CreateSubscription(pstate,
1861 (CreateSubscriptionStmt *) parsetree,
1862 isTopLevel);
1863 break;
1864
1865 case T_AlterSubscriptionStmt:
1866 address = AlterSubscription(pstate,
1867 (AlterSubscriptionStmt *) parsetree,
1868 isTopLevel);
1869 break;
1870
1871 case T_DropSubscriptionStmt:
1872 DropSubscription((DropSubscriptionStmt *) parsetree, isTopLevel);
1873 /* no commands stashed for DROP */
1874 commandCollected = true;
1875 break;
1876
1877 case T_CreateStatsStmt:
1878 {
1879 Oid relid;
1880 CreateStatsStmt *stmt = (CreateStatsStmt *) parsetree;
1881 RangeVar *rel = (RangeVar *) linitial(stmt->relations);
1882
1883 if (!IsA(rel, RangeVar))
1884 ereport(ERROR,
1885 (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
1886 errmsg("CREATE STATISTICS only supports relation names in the FROM clause")));
1887
1888 /*
1889 * CREATE STATISTICS will influence future execution plans
1890 * but does not interfere with currently executing plans.
1891 * So it should be enough to take ShareUpdateExclusiveLock
1892 * on relation, conflicting with ANALYZE and other DDL
1893 * that sets statistical information, but not with normal
1894 * queries.
1895 *
1896 * XXX RangeVarCallbackOwnsRelation not needed here, to
1897 * keep the same behavior as before.
1898 */
1899 relid = RangeVarGetRelid(rel, ShareUpdateExclusiveLock, false);
1900
1901 /* Run parse analysis ... */
1902 stmt = transformStatsStmt(relid, stmt, queryString);
1903
1904 address = CreateStatistics(stmt, true);
1905 }
1906 break;
1907
1908 case T_AlterStatsStmt:
1909 address = AlterStatistics((AlterStatsStmt *) parsetree);
1910 break;
1911
1912 case T_AlterCollationStmt:
1913 address = AlterCollation((AlterCollationStmt *) parsetree);
1914 break;
1915
1916 default:
1917 elog(ERROR, "unrecognized node type: %d",
1918 (int) nodeTag(parsetree));
1919 break;
1920 }
1921
1922 /*
1923 * Remember the object so that ddl_command_end event triggers have
1924 * access to it.
1925 */
1926 if (!commandCollected)
1927 EventTriggerCollectSimpleCommand(address, secondaryObject,
1928 parsetree);
1929
1930 if (isCompleteQuery)
1931 {
1932 EventTriggerSQLDrop(parsetree);
1933 EventTriggerDDLCommandEnd(parsetree);
1934 }
1935 }
1936 PG_FINALLY();
1937 {
1938 if (needCleanup)
1939 EventTriggerEndCompleteQuery();
1940 }
1941 PG_END_TRY();
1942}
1943
1944/*
1945 * ProcessUtilityForAlterTable
1946 * Recursive entry from ALTER TABLE
1947 *
1948 * ALTER TABLE sometimes generates subcommands such as CREATE INDEX.
1949 * It calls this, not the main entry point ProcessUtility, to execute
1950 * such subcommands.
1951 *
1952 * stmt: the utility command to execute
1953 * context: opaque passthrough struct with the info we need
1954 *
1955 * It's caller's responsibility to do CommandCounterIncrement after
1956 * calling this, if needed.
1957 */
1958void
1959ProcessUtilityForAlterTable(Node *stmt, AlterTableUtilityContext *context)
1960{
1961 PlannedStmt *wrapper;
1962
1963 /*
1964 * For event triggers, we must "close" the current complex-command set,
1965 * and start a new one afterwards; this is needed to ensure the ordering
1966 * of command events is consistent with the way they were executed.
1967 */
1968 EventTriggerAlterTableEnd();
1969
1970 /* Create a suitable wrapper */
1971 wrapper = makeNode(PlannedStmt);
1972 wrapper->commandType = CMD_UTILITY;
1973 wrapper->canSetTag = false;
1974 wrapper->utilityStmt = stmt;
1975 wrapper->stmt_location = context->pstmt->stmt_location;
1976 wrapper->stmt_len = context->pstmt->stmt_len;
1977 wrapper->planOrigin = PLAN_STMT_INTERNAL;
1978
1979 ProcessUtility(wrapper,
1980 context->queryString,
1981 false,
1982 PROCESS_UTILITY_SUBCOMMAND,
1983 context->params,
1984 context->queryEnv,
1985 None_Receiver,
1986 NULL);
1987
1988 EventTriggerAlterTableStart(context->pstmt->utilityStmt);
1989 EventTriggerAlterTableRelid(context->relid);
1990}
1991
1992/*
1993 * Dispatch function for DropStmt
1994 */
1995static void
1996ExecDropStmt(DropStmt *stmt, bool isTopLevel)
1997{
1998 switch (stmt->removeType)
1999 {
2000 case OBJECT_INDEX:
2001 if (stmt->concurrent)
2002 PreventInTransactionBlock(isTopLevel,
2003 "DROP INDEX CONCURRENTLY");
2004 /* fall through */
2005
2006 case OBJECT_TABLE:
2007 case OBJECT_SEQUENCE:
2008 case OBJECT_VIEW:
2009 case OBJECT_MATVIEW:
2010 case OBJECT_FOREIGN_TABLE:
2011 RemoveRelations(stmt);
2012 break;
2013 default:
2014 RemoveObjects(stmt);
2015 break;
2016 }
2017}
2018
2019
2020/*
2021 * UtilityReturnsTuples
2022 * Return "true" if this utility statement will send output to the
2023 * destination.
2024 *
2025 * Generally, there should be a case here for each case in ProcessUtility
2026 * where "dest" is passed on.
2027 */
2028bool
2029UtilityReturnsTuples(Node *parsetree)
2030{
2031 switch (nodeTag(parsetree))
2032 {
2033 case T_CallStmt:
2034 {
2035 CallStmt *stmt = (CallStmt *) parsetree;
2036
2037 return (stmt->funcexpr->funcresulttype == RECORDOID);
2038 }
2039 case T_FetchStmt:
2040 {
2041 FetchStmt *stmt = (FetchStmt *) parsetree;
2042 Portal portal;
2043
2044 if (stmt->ismove)
2045 return false;
2046 portal = GetPortalByName(stmt->portalname);
2047 if (!PortalIsValid(portal))
2048 return false; /* not our business to raise error */
2049 return portal->tupDesc ? true : false;
2050 }
2051
2052 case T_ExecuteStmt:
2053 {
2054 ExecuteStmt *stmt = (ExecuteStmt *) parsetree;
2055 PreparedStatement *entry;
2056
2057 entry = FetchPreparedStatement(stmt->name, false);
2058 if (!entry)
2059 return false; /* not our business to raise error */
2060 if (entry->plansource->resultDesc)
2061 return true;
2062 return false;
2063 }
2064
2065 case T_ExplainStmt:
2066 return true;
2067
2068 case T_VariableShowStmt:
2069 return true;
2070
2071 case T_WaitStmt:
2072 return true;
2073
2074 default:
2075 return false;
2076 }
2077}
2078
2079/*
2080 * UtilityTupleDescriptor
2081 * Fetch the actual output tuple descriptor for a utility statement
2082 * for which UtilityReturnsTuples() previously returned "true".
2083 *
2084 * The returned descriptor is created in (or copied into) the current memory
2085 * context.
2086 */
2087TupleDesc
2088UtilityTupleDescriptor(Node *parsetree)
2089{
2090 switch (nodeTag(parsetree))
2091 {
2092 case T_CallStmt:
2093 return CallStmtResultDesc((CallStmt *) parsetree);
2094
2095 case T_FetchStmt:
2096 {
2097 FetchStmt *stmt = (FetchStmt *) parsetree;
2098 Portal portal;
2099
2100 if (stmt->ismove)
2101 return NULL;
2102 portal = GetPortalByName(stmt->portalname);
2103 if (!PortalIsValid(portal))
2104 return NULL; /* not our business to raise error */
2105 return CreateTupleDescCopy(portal->tupDesc);
2106 }
2107
2108 case T_ExecuteStmt:
2109 {
2110 ExecuteStmt *stmt = (ExecuteStmt *) parsetree;
2111 PreparedStatement *entry;
2112
2113 entry = FetchPreparedStatement(stmt->name, false);
2114 if (!entry)
2115 return NULL; /* not our business to raise error */
2116 return FetchPreparedStatementResultDesc(entry);
2117 }
2118
2119 case T_ExplainStmt:
2120 return ExplainResultDesc((ExplainStmt *) parsetree);
2121
2122 case T_VariableShowStmt:
2123 {
2124 VariableShowStmt *n = (VariableShowStmt *) parsetree;
2125
2126 return GetPGVariableResultDesc(n->name);
2127 }
2128
2129 case T_WaitStmt:
2130 return WaitStmtResultDesc((WaitStmt *) parsetree);
2131
2132 default:
2133 return NULL;
2134 }
2135}
2136
2137
2138/*
2139 * QueryReturnsTuples
2140 * Return "true" if this Query will send output to the destination.
2141 */
2142#ifdef NOT_USED
2143bool
2144QueryReturnsTuples(Query *parsetree)
2145{
2146 switch (parsetree->commandType)
2147 {
2148 case CMD_SELECT:
2149 /* returns tuples */
2150 return true;
2151 case CMD_INSERT:
2152 case CMD_UPDATE:
2153 case CMD_DELETE:
2154 case CMD_MERGE:
2155 /* the forms with RETURNING return tuples */
2156 if (parsetree->returningList)
2157 return true;
2158 break;
2159 case CMD_UTILITY:
2160 return UtilityReturnsTuples(parsetree->utilityStmt);
2161 case CMD_UNKNOWN:
2162 case CMD_NOTHING:
2163 /* probably shouldn't get here */
2164 break;
2165 }
2166 return false; /* default */
2167}
2168#endif
2169
2170
2171/*
2172 * UtilityContainsQuery
2173 * Return the contained Query, or NULL if there is none
2174 *
2175 * Certain utility statements, such as EXPLAIN, contain a plannable Query.
2176 * This function encapsulates knowledge of exactly which ones do.
2177 * We assume it is invoked only on already-parse-analyzed statements
2178 * (else the contained parsetree isn't a Query yet).
2179 *
2180 * In some cases (currently, only EXPLAIN of CREATE TABLE AS/SELECT INTO and
2181 * CREATE MATERIALIZED VIEW), potentially Query-containing utility statements
2182 * can be nested. This function will drill down to a non-utility Query, or
2183 * return NULL if none.
2184 */
2185Query *
2186UtilityContainsQuery(Node *parsetree)
2187{
2188 Query *qry;
2189
2190 switch (nodeTag(parsetree))
2191 {
2192 case T_DeclareCursorStmt:
2193 qry = castNode(Query, ((DeclareCursorStmt *) parsetree)->query);
2194 if (qry->commandType == CMD_UTILITY)
2195 return UtilityContainsQuery(qry->utilityStmt);
2196 return qry;
2197
2198 case T_ExplainStmt:
2199 qry = castNode(Query, ((ExplainStmt *) parsetree)->query);
2200 if (qry->commandType == CMD_UTILITY)
2201 return UtilityContainsQuery(qry->utilityStmt);
2202 return qry;
2203
2204 case T_CreateTableAsStmt:
2205 qry = castNode(Query, ((CreateTableAsStmt *) parsetree)->query);
2206 if (qry->commandType == CMD_UTILITY)
2207 return UtilityContainsQuery(qry->utilityStmt);
2208 return qry;
2209
2210 default:
2211 return NULL;
2212 }
2213}
2214
2215
2216/*
2217 * AlterObjectTypeCommandTag
2218 * helper function for CreateCommandTag
2219 *
2220 * This covers most cases where ALTER is used with an ObjectType enum.
2221 */
2222static CommandTag
2223AlterObjectTypeCommandTag(ObjectType objtype)
2224{
2225 CommandTag tag;
2226
2227 switch (objtype)
2228 {
2229 case OBJECT_AGGREGATE:
2230 tag = CMDTAG_ALTER_AGGREGATE;
2231 break;
2232 case OBJECT_ATTRIBUTE:
2233 tag = CMDTAG_ALTER_TYPE;
2234 break;
2235 case OBJECT_CAST:
2236 tag = CMDTAG_ALTER_CAST;
2237 break;
2238 case OBJECT_COLLATION:
2239 tag = CMDTAG_ALTER_COLLATION;
2240 break;
2241 case OBJECT_COLUMN:
2242 tag = CMDTAG_ALTER_TABLE;
2243 break;
2244 case OBJECT_CONVERSION:
2245 tag = CMDTAG_ALTER_CONVERSION;
2246 break;
2247 case OBJECT_DATABASE:
2248 tag = CMDTAG_ALTER_DATABASE;
2249 break;
2250 case OBJECT_DOMAIN:
2251 case OBJECT_DOMCONSTRAINT:
2252 tag = CMDTAG_ALTER_DOMAIN;
2253 break;
2254 case OBJECT_EXTENSION:
2255 tag = CMDTAG_ALTER_EXTENSION;
2256 break;
2257 case OBJECT_FDW:
2258 tag = CMDTAG_ALTER_FOREIGN_DATA_WRAPPER;
2259 break;
2260 case OBJECT_FOREIGN_SERVER:
2261 tag = CMDTAG_ALTER_SERVER;
2262 break;
2263 case OBJECT_FOREIGN_TABLE:
2264 tag = CMDTAG_ALTER_FOREIGN_TABLE;
2265 break;
2266 case OBJECT_FUNCTION:
2267 tag = CMDTAG_ALTER_FUNCTION;
2268 break;
2269 case OBJECT_INDEX:
2270 tag = CMDTAG_ALTER_INDEX;
2271 break;
2272 case OBJECT_LANGUAGE:
2273 tag = CMDTAG_ALTER_LANGUAGE;
2274 break;
2275 case OBJECT_LARGEOBJECT:
2276 tag = CMDTAG_ALTER_LARGE_OBJECT;
2277 break;
2278 case OBJECT_OPCLASS:
2279 tag = CMDTAG_ALTER_OPERATOR_CLASS;
2280 break;
2281 case OBJECT_OPERATOR:
2282 tag = CMDTAG_ALTER_OPERATOR;
2283 break;
2284 case OBJECT_OPFAMILY:
2285 tag = CMDTAG_ALTER_OPERATOR_FAMILY;
2286 break;
2287 case OBJECT_POLICY:
2288 tag = CMDTAG_ALTER_POLICY;
2289 break;
2290 case OBJECT_PROCEDURE:
2291 tag = CMDTAG_ALTER_PROCEDURE;
2292 break;
2293 case OBJECT_ROLE:
2294 tag = CMDTAG_ALTER_ROLE;
2295 break;
2296 case OBJECT_ROUTINE:
2297 tag = CMDTAG_ALTER_ROUTINE;
2298 break;
2299 case OBJECT_RULE:
2300 tag = CMDTAG_ALTER_RULE;
2301 break;
2302 case OBJECT_SCHEMA:
2303 tag = CMDTAG_ALTER_SCHEMA;
2304 break;
2305 case OBJECT_SEQUENCE:
2306 tag = CMDTAG_ALTER_SEQUENCE;
2307 break;
2308 case OBJECT_TABLE:
2309 case OBJECT_TABCONSTRAINT:
2310 tag = CMDTAG_ALTER_TABLE;
2311 break;
2312 case OBJECT_TABLESPACE:
2313 tag = CMDTAG_ALTER_TABLESPACE;
2314 break;
2315 case OBJECT_TRIGGER:
2316 tag = CMDTAG_ALTER_TRIGGER;
2317 break;
2318 case OBJECT_EVENT_TRIGGER:
2319 tag = CMDTAG_ALTER_EVENT_TRIGGER;
2320 break;
2321 case OBJECT_TSCONFIGURATION:
2322 tag = CMDTAG_ALTER_TEXT_SEARCH_CONFIGURATION;
2323 break;
2324 case OBJECT_TSDICTIONARY:
2325 tag = CMDTAG_ALTER_TEXT_SEARCH_DICTIONARY;
2326 break;
2327 case OBJECT_TSPARSER:
2328 tag = CMDTAG_ALTER_TEXT_SEARCH_PARSER;
2329 break;
2330 case OBJECT_TSTEMPLATE:
2331 tag = CMDTAG_ALTER_TEXT_SEARCH_TEMPLATE;
2332 break;
2333 case OBJECT_TYPE:
2334 tag = CMDTAG_ALTER_TYPE;
2335 break;
2336 case OBJECT_VIEW:
2337 tag = CMDTAG_ALTER_VIEW;
2338 break;
2339 case OBJECT_MATVIEW:
2340 tag = CMDTAG_ALTER_MATERIALIZED_VIEW;
2341 break;
2342 case OBJECT_PUBLICATION:
2343 tag = CMDTAG_ALTER_PUBLICATION;
2344 break;
2345 case OBJECT_SUBSCRIPTION:
2346 tag = CMDTAG_ALTER_SUBSCRIPTION;
2347 break;
2348 case OBJECT_STATISTIC_EXT:
2349 tag = CMDTAG_ALTER_STATISTICS;
2350 break;
2351 default:
2352 tag = CMDTAG_UNKNOWN;
2353 break;
2354 }
2355
2356 return tag;
2357}
2358
2359/*
2360 * CreateCommandTag
2361 * utility to get a CommandTag for the command operation,
2362 * given either a raw (un-analyzed) parsetree, an analyzed Query,
2363 * or a PlannedStmt.
2364 *
2365 * This must handle all command types, but since the vast majority
2366 * of 'em are utility commands, it seems sensible to keep it here.
2367 */
2368CommandTag
2369CreateCommandTag(Node *parsetree)
2370{
2371 CommandTag tag;
2372
2373 switch (nodeTag(parsetree))
2374 {
2375 /* recurse if we're given a RawStmt */
2376 case T_RawStmt:
2377 tag = CreateCommandTag(((RawStmt *) parsetree)->stmt);
2378 break;
2379
2380 /* raw plannable queries */
2381 case T_InsertStmt:
2382 tag = CMDTAG_INSERT;
2383 break;
2384
2385 case T_DeleteStmt:
2386 tag = CMDTAG_DELETE;
2387 break;
2388
2389 case T_UpdateStmt:
2390 tag = CMDTAG_UPDATE;
2391 break;
2392
2393 case T_MergeStmt:
2394 tag = CMDTAG_MERGE;
2395 break;
2396
2397 case T_SelectStmt:
2398 tag = CMDTAG_SELECT;
2399 break;
2400
2401 case T_PLAssignStmt:
2402 tag = CMDTAG_SELECT;
2403 break;
2404
2405 /* utility statements --- same whether raw or cooked */
2406 case T_TransactionStmt:
2407 {
2408 TransactionStmt *stmt = (TransactionStmt *) parsetree;
2409
2410 switch (stmt->kind)
2411 {
2412 case TRANS_STMT_BEGIN:
2413 tag = CMDTAG_BEGIN;
2414 break;
2415
2416 case TRANS_STMT_START:
2417 tag = CMDTAG_START_TRANSACTION;
2418 break;
2419
2420 case TRANS_STMT_COMMIT:
2421 tag = CMDTAG_COMMIT;
2422 break;
2423
2424 case TRANS_STMT_ROLLBACK:
2425 case TRANS_STMT_ROLLBACK_TO:
2426 tag = CMDTAG_ROLLBACK;
2427 break;
2428
2429 case TRANS_STMT_SAVEPOINT:
2430 tag = CMDTAG_SAVEPOINT;
2431 break;
2432
2433 case TRANS_STMT_RELEASE:
2434 tag = CMDTAG_RELEASE;
2435 break;
2436
2437 case TRANS_STMT_PREPARE:
2438 tag = CMDTAG_PREPARE_TRANSACTION;
2439 break;
2440
2441 case TRANS_STMT_COMMIT_PREPARED:
2442 tag = CMDTAG_COMMIT_PREPARED;
2443 break;
2444
2445 case TRANS_STMT_ROLLBACK_PREPARED:
2446 tag = CMDTAG_ROLLBACK_PREPARED;
2447 break;
2448
2449 default:
2450 tag = CMDTAG_UNKNOWN;
2451 break;
2452 }
2453 }
2454 break;
2455
2456 case T_DeclareCursorStmt:
2457 tag = CMDTAG_DECLARE_CURSOR;
2458 break;
2459
2460 case T_ClosePortalStmt:
2461 {
2462 ClosePortalStmt *stmt = (ClosePortalStmt *) parsetree;
2463
2464 if (stmt->portalname == NULL)
2465 tag = CMDTAG_CLOSE_CURSOR_ALL;
2466 else
2467 tag = CMDTAG_CLOSE_CURSOR;
2468 }
2469 break;
2470
2471 case T_FetchStmt:
2472 {
2473 FetchStmt *stmt = (FetchStmt *) parsetree;
2474
2475 tag = (stmt->ismove) ? CMDTAG_MOVE : CMDTAG_FETCH;
2476 }
2477 break;
2478
2479 case T_CreateDomainStmt:
2480 tag = CMDTAG_CREATE_DOMAIN;
2481 break;
2482
2483 case T_CreateSchemaStmt:
2484 tag = CMDTAG_CREATE_SCHEMA;
2485 break;
2486
2487 case T_CreateStmt:
2488 tag = CMDTAG_CREATE_TABLE;
2489 break;
2490
2491 case T_CreateTableSpaceStmt:
2492 tag = CMDTAG_CREATE_TABLESPACE;
2493 break;
2494
2495 case T_DropTableSpaceStmt:
2496 tag = CMDTAG_DROP_TABLESPACE;
2497 break;
2498
2499 case T_AlterTableSpaceOptionsStmt:
2500 tag = CMDTAG_ALTER_TABLESPACE;
2501 break;
2502
2503 case T_CreateExtensionStmt:
2504 tag = CMDTAG_CREATE_EXTENSION;
2505 break;
2506
2507 case T_AlterExtensionStmt:
2508 tag = CMDTAG_ALTER_EXTENSION;
2509 break;
2510
2511 case T_AlterExtensionContentsStmt:
2512 tag = CMDTAG_ALTER_EXTENSION;
2513 break;
2514
2515 case T_CreateFdwStmt:
2516 tag = CMDTAG_CREATE_FOREIGN_DATA_WRAPPER;
2517 break;
2518
2519 case T_AlterFdwStmt:
2520 tag = CMDTAG_ALTER_FOREIGN_DATA_WRAPPER;
2521 break;
2522
2523 case T_CreateForeignServerStmt:
2524 tag = CMDTAG_CREATE_SERVER;
2525 break;
2526
2527 case T_AlterForeignServerStmt:
2528 tag = CMDTAG_ALTER_SERVER;
2529 break;
2530
2531 case T_CreateUserMappingStmt:
2532 tag = CMDTAG_CREATE_USER_MAPPING;
2533 break;
2534
2535 case T_AlterUserMappingStmt:
2536 tag = CMDTAG_ALTER_USER_MAPPING;
2537 break;
2538
2539 case T_DropUserMappingStmt:
2540 tag = CMDTAG_DROP_USER_MAPPING;
2541 break;
2542
2543 case T_CreateForeignTableStmt:
2544 tag = CMDTAG_CREATE_FOREIGN_TABLE;
2545 break;
2546
2547 case T_ImportForeignSchemaStmt:
2548 tag = CMDTAG_IMPORT_FOREIGN_SCHEMA;
2549 break;
2550
2551 case T_DropStmt:
2552 switch (((DropStmt *) parsetree)->removeType)
2553 {
2554 case OBJECT_TABLE:
2555 tag = CMDTAG_DROP_TABLE;
2556 break;
2557 case OBJECT_SEQUENCE:
2558 tag = CMDTAG_DROP_SEQUENCE;
2559 break;
2560 case OBJECT_VIEW:
2561 tag = CMDTAG_DROP_VIEW;
2562 break;
2563 case OBJECT_MATVIEW:
2564 tag = CMDTAG_DROP_MATERIALIZED_VIEW;
2565 break;
2566 case OBJECT_INDEX:
2567 tag = CMDTAG_DROP_INDEX;
2568 break;
2569 case OBJECT_TYPE:
2570 tag = CMDTAG_DROP_TYPE;
2571 break;
2572 case OBJECT_DOMAIN:
2573 tag = CMDTAG_DROP_DOMAIN;
2574 break;
2575 case OBJECT_COLLATION:
2576 tag = CMDTAG_DROP_COLLATION;
2577 break;
2578 case OBJECT_CONVERSION:
2579 tag = CMDTAG_DROP_CONVERSION;
2580 break;
2581 case OBJECT_SCHEMA:
2582 tag = CMDTAG_DROP_SCHEMA;
2583 break;
2584 case OBJECT_TSPARSER:
2585 tag = CMDTAG_DROP_TEXT_SEARCH_PARSER;
2586 break;
2587 case OBJECT_TSDICTIONARY:
2588 tag = CMDTAG_DROP_TEXT_SEARCH_DICTIONARY;
2589 break;
2590 case OBJECT_TSTEMPLATE:
2591 tag = CMDTAG_DROP_TEXT_SEARCH_TEMPLATE;
2592 break;
2593 case OBJECT_TSCONFIGURATION:
2594 tag = CMDTAG_DROP_TEXT_SEARCH_CONFIGURATION;
2595 break;
2596 case OBJECT_FOREIGN_TABLE:
2597 tag = CMDTAG_DROP_FOREIGN_TABLE;
2598 break;
2599 case OBJECT_EXTENSION:
2600 tag = CMDTAG_DROP_EXTENSION;
2601 break;
2602 case OBJECT_FUNCTION:
2603 tag = CMDTAG_DROP_FUNCTION;
2604 break;
2605 case OBJECT_PROCEDURE:
2606 tag = CMDTAG_DROP_PROCEDURE;
2607 break;
2608 case OBJECT_ROUTINE:
2609 tag = CMDTAG_DROP_ROUTINE;
2610 break;
2611 case OBJECT_AGGREGATE:
2612 tag = CMDTAG_DROP_AGGREGATE;
2613 break;
2614 case OBJECT_OPERATOR:
2615 tag = CMDTAG_DROP_OPERATOR;
2616 break;
2617 case OBJECT_LANGUAGE:
2618 tag = CMDTAG_DROP_LANGUAGE;
2619 break;
2620 case OBJECT_CAST:
2621 tag = CMDTAG_DROP_CAST;
2622 break;
2623 case OBJECT_TRIGGER:
2624 tag = CMDTAG_DROP_TRIGGER;
2625 break;
2626 case OBJECT_EVENT_TRIGGER:
2627 tag = CMDTAG_DROP_EVENT_TRIGGER;
2628 break;
2629 case OBJECT_RULE:
2630 tag = CMDTAG_DROP_RULE;
2631 break;
2632 case OBJECT_FDW:
2633 tag = CMDTAG_DROP_FOREIGN_DATA_WRAPPER;
2634 break;
2635 case OBJECT_FOREIGN_SERVER:
2636 tag = CMDTAG_DROP_SERVER;
2637 break;
2638 case OBJECT_OPCLASS:
2639 tag = CMDTAG_DROP_OPERATOR_CLASS;
2640 break;
2641 case OBJECT_OPFAMILY:
2642 tag = CMDTAG_DROP_OPERATOR_FAMILY;
2643 break;
2644 case OBJECT_POLICY:
2645 tag = CMDTAG_DROP_POLICY;
2646 break;
2647 case OBJECT_TRANSFORM:
2648 tag = CMDTAG_DROP_TRANSFORM;
2649 break;
2650 case OBJECT_ACCESS_METHOD:
2651 tag = CMDTAG_DROP_ACCESS_METHOD;
2652 break;
2653 case OBJECT_PUBLICATION:
2654 tag = CMDTAG_DROP_PUBLICATION;
2655 break;
2656 case OBJECT_STATISTIC_EXT:
2657 tag = CMDTAG_DROP_STATISTICS;
2658 break;
2659 default:
2660 tag = CMDTAG_UNKNOWN;
2661 }
2662 break;
2663
2664 case T_TruncateStmt:
2665 tag = CMDTAG_TRUNCATE_TABLE;
2666 break;
2667
2668 case T_CommentStmt:
2669 tag = CMDTAG_COMMENT;
2670 break;
2671
2672 case T_SecLabelStmt:
2673 tag = CMDTAG_SECURITY_LABEL;
2674 break;
2675
2676 case T_CopyStmt:
2677 tag = CMDTAG_COPY;
2678 break;
2679
2680 case T_RenameStmt:
2681
2682 /*
2683 * When the column is renamed, the command tag is created from its
2684 * relation type
2685 */
2686 tag = AlterObjectTypeCommandTag(((RenameStmt *) parsetree)->renameType == OBJECT_COLUMN ?
2687 ((RenameStmt *) parsetree)->relationType :
2688 ((RenameStmt *) parsetree)->renameType);
2689 break;
2690
2691 case T_AlterObjectDependsStmt:
2692 tag = AlterObjectTypeCommandTag(((AlterObjectDependsStmt *) parsetree)->objectType);
2693 break;
2694
2695 case T_AlterObjectSchemaStmt:
2696 tag = AlterObjectTypeCommandTag(((AlterObjectSchemaStmt *) parsetree)->objectType);
2697 break;
2698
2699 case T_AlterOwnerStmt:
2700 tag = AlterObjectTypeCommandTag(((AlterOwnerStmt *) parsetree)->objectType);
2701 break;
2702
2703 case T_AlterTableMoveAllStmt:
2704 tag = AlterObjectTypeCommandTag(((AlterTableMoveAllStmt *) parsetree)->objtype);
2705 break;
2706
2707 case T_AlterTableStmt:
2708 tag = AlterObjectTypeCommandTag(((AlterTableStmt *) parsetree)->objtype);
2709 break;
2710
2711 case T_AlterDomainStmt:
2712 tag = CMDTAG_ALTER_DOMAIN;
2713 break;
2714
2715 case T_AlterFunctionStmt:
2716 switch (((AlterFunctionStmt *) parsetree)->objtype)
2717 {
2718 case OBJECT_FUNCTION:
2719 tag = CMDTAG_ALTER_FUNCTION;
2720 break;
2721 case OBJECT_PROCEDURE:
2722 tag = CMDTAG_ALTER_PROCEDURE;
2723 break;
2724 case OBJECT_ROUTINE:
2725 tag = CMDTAG_ALTER_ROUTINE;
2726 break;
2727 default:
2728 tag = CMDTAG_UNKNOWN;
2729 }
2730 break;
2731
2732 case T_GrantStmt:
2733 {
2734 GrantStmt *stmt = (GrantStmt *) parsetree;
2735
2736 tag = (stmt->is_grant) ? CMDTAG_GRANT : CMDTAG_REVOKE;
2737 }
2738 break;
2739
2740 case T_GrantRoleStmt:
2741 {
2742 GrantRoleStmt *stmt = (GrantRoleStmt *) parsetree;
2743
2744 tag = (stmt->is_grant) ? CMDTAG_GRANT_ROLE : CMDTAG_REVOKE_ROLE;
2745 }
2746 break;
2747
2748 case T_AlterDefaultPrivilegesStmt:
2749 tag = CMDTAG_ALTER_DEFAULT_PRIVILEGES;
2750 break;
2751
2752 case T_DefineStmt:
2753 switch (((DefineStmt *) parsetree)->kind)
2754 {
2755 case OBJECT_AGGREGATE:
2756 tag = CMDTAG_CREATE_AGGREGATE;
2757 break;
2758 case OBJECT_OPERATOR:
2759 tag = CMDTAG_CREATE_OPERATOR;
2760 break;
2761 case OBJECT_TYPE:
2762 tag = CMDTAG_CREATE_TYPE;
2763 break;
2764 case OBJECT_TSPARSER:
2765 tag = CMDTAG_CREATE_TEXT_SEARCH_PARSER;
2766 break;
2767 case OBJECT_TSDICTIONARY:
2768 tag = CMDTAG_CREATE_TEXT_SEARCH_DICTIONARY;
2769 break;
2770 case OBJECT_TSTEMPLATE:
2771 tag = CMDTAG_CREATE_TEXT_SEARCH_TEMPLATE;
2772 break;
2773 case OBJECT_TSCONFIGURATION:
2774 tag = CMDTAG_CREATE_TEXT_SEARCH_CONFIGURATION;
2775 break;
2776 case OBJECT_COLLATION:
2777 tag = CMDTAG_CREATE_COLLATION;
2778 break;
2779 case OBJECT_ACCESS_METHOD:
2780 tag = CMDTAG_CREATE_ACCESS_METHOD;
2781 break;
2782 default:
2783 tag = CMDTAG_UNKNOWN;
2784 }
2785 break;
2786
2787 case T_CompositeTypeStmt:
2788 tag = CMDTAG_CREATE_TYPE;
2789 break;
2790
2791 case T_CreateEnumStmt:
2792 tag = CMDTAG_CREATE_TYPE;
2793 break;
2794
2795 case T_CreateRangeStmt:
2796 tag = CMDTAG_CREATE_TYPE;
2797 break;
2798
2799 case T_AlterEnumStmt:
2800 tag = CMDTAG_ALTER_TYPE;
2801 break;
2802
2803 case T_ViewStmt:
2804 tag = CMDTAG_CREATE_VIEW;
2805 break;
2806
2807 case T_CreateFunctionStmt:
2808 if (((CreateFunctionStmt *) parsetree)->is_procedure)
2809 tag = CMDTAG_CREATE_PROCEDURE;
2810 else
2811 tag = CMDTAG_CREATE_FUNCTION;
2812 break;
2813
2814 case T_IndexStmt:
2815 tag = CMDTAG_CREATE_INDEX;
2816 break;
2817
2818 case T_RuleStmt:
2819 tag = CMDTAG_CREATE_RULE;
2820 break;
2821
2822 case T_CreateSeqStmt:
2823 tag = CMDTAG_CREATE_SEQUENCE;
2824 break;
2825
2826 case T_AlterSeqStmt:
2827 tag = CMDTAG_ALTER_SEQUENCE;
2828 break;
2829
2830 case T_DoStmt:
2831 tag = CMDTAG_DO;
2832 break;
2833
2834 case T_CreatedbStmt:
2835 tag = CMDTAG_CREATE_DATABASE;
2836 break;
2837
2838 case T_AlterDatabaseStmt:
2839 case T_AlterDatabaseRefreshCollStmt:
2840 case T_AlterDatabaseSetStmt:
2841 tag = CMDTAG_ALTER_DATABASE;
2842 break;
2843
2844 case T_DropdbStmt:
2845 tag = CMDTAG_DROP_DATABASE;
2846 break;
2847
2848 case T_NotifyStmt:
2849 tag = CMDTAG_NOTIFY;
2850 break;
2851
2852 case T_ListenStmt:
2853 tag = CMDTAG_LISTEN;
2854 break;
2855
2856 case T_UnlistenStmt:
2857 tag = CMDTAG_UNLISTEN;
2858 break;
2859
2860 case T_LoadStmt:
2861 tag = CMDTAG_LOAD;
2862 break;
2863
2864 case T_CallStmt:
2865 tag = CMDTAG_CALL;
2866 break;
2867
2868 case T_ClusterStmt:
2869 tag = CMDTAG_CLUSTER;
2870 break;
2871
2872 case T_VacuumStmt:
2873 if (((VacuumStmt *) parsetree)->is_vacuumcmd)
2874 tag = CMDTAG_VACUUM;
2875 else
2876 tag = CMDTAG_ANALYZE;
2877 break;
2878
2879 case T_ExplainStmt:
2880 tag = CMDTAG_EXPLAIN;
2881 break;
2882
2883 case T_CreateTableAsStmt:
2884 switch (((CreateTableAsStmt *) parsetree)->objtype)
2885 {
2886 case OBJECT_TABLE:
2887 if (((CreateTableAsStmt *) parsetree)->is_select_into)
2888 tag = CMDTAG_SELECT_INTO;
2889 else
2890 tag = CMDTAG_CREATE_TABLE_AS;
2891 break;
2892 case OBJECT_MATVIEW:
2893 tag = CMDTAG_CREATE_MATERIALIZED_VIEW;
2894 break;
2895 default:
2896 tag = CMDTAG_UNKNOWN;
2897 }
2898 break;
2899
2900 case T_RefreshMatViewStmt:
2901 tag = CMDTAG_REFRESH_MATERIALIZED_VIEW;
2902 break;
2903
2904 case T_AlterSystemStmt:
2905 tag = CMDTAG_ALTER_SYSTEM;
2906 break;
2907
2908 case T_VariableSetStmt:
2909 switch (((VariableSetStmt *) parsetree)->kind)
2910 {
2911 case VAR_SET_VALUE:
2912 case VAR_SET_CURRENT:
2913 case VAR_SET_DEFAULT:
2914 case VAR_SET_MULTI:
2915 tag = CMDTAG_SET;
2916 break;
2917 case VAR_RESET:
2918 case VAR_RESET_ALL:
2919 tag = CMDTAG_RESET;
2920 break;
2921 default:
2922 tag = CMDTAG_UNKNOWN;
2923 }
2924 break;
2925
2926 case T_VariableShowStmt:
2927 tag = CMDTAG_SHOW;
2928 break;
2929
2930 case T_DiscardStmt:
2931 switch (((DiscardStmt *) parsetree)->target)
2932 {
2933 case DISCARD_ALL:
2934 tag = CMDTAG_DISCARD_ALL;
2935 break;
2936 case DISCARD_PLANS:
2937 tag = CMDTAG_DISCARD_PLANS;
2938 break;
2939 case DISCARD_TEMP:
2940 tag = CMDTAG_DISCARD_TEMP;
2941 break;
2942 case DISCARD_SEQUENCES:
2943 tag = CMDTAG_DISCARD_SEQUENCES;
2944 break;
2945 default:
2946 tag = CMDTAG_UNKNOWN;
2947 }
2948 break;
2949
2950 case T_CreateTransformStmt:
2951 tag = CMDTAG_CREATE_TRANSFORM;
2952 break;
2953
2954 case T_CreateTrigStmt:
2955 tag = CMDTAG_CREATE_TRIGGER;
2956 break;
2957
2958 case T_CreateEventTrigStmt:
2959 tag = CMDTAG_CREATE_EVENT_TRIGGER;
2960 break;
2961
2962 case T_AlterEventTrigStmt:
2963 tag = CMDTAG_ALTER_EVENT_TRIGGER;
2964 break;
2965
2966 case T_CreatePLangStmt:
2967 tag = CMDTAG_CREATE_LANGUAGE;
2968 break;
2969
2970 case T_CreateRoleStmt:
2971 tag = CMDTAG_CREATE_ROLE;
2972 break;
2973
2974 case T_AlterRoleStmt:
2975 tag = CMDTAG_ALTER_ROLE;
2976 break;
2977
2978 case T_AlterRoleSetStmt:
2979 tag = CMDTAG_ALTER_ROLE;
2980 break;
2981
2982 case T_DropRoleStmt:
2983 tag = CMDTAG_DROP_ROLE;
2984 break;
2985
2986 case T_DropOwnedStmt:
2987 tag = CMDTAG_DROP_OWNED;
2988 break;
2989
2990 case T_ReassignOwnedStmt:
2991 tag = CMDTAG_REASSIGN_OWNED;
2992 break;
2993
2994 case T_LockStmt:
2995 tag = CMDTAG_LOCK_TABLE;
2996 break;
2997
2998 case T_ConstraintsSetStmt:
2999 tag = CMDTAG_SET_CONSTRAINTS;
3000 break;
3001
3002 case T_CheckPointStmt:
3003 tag = CMDTAG_CHECKPOINT;
3004 break;
3005
3006 case T_ReindexStmt:
3007 tag = CMDTAG_REINDEX;
3008 break;
3009
3010 case T_CreateConversionStmt:
3011 tag = CMDTAG_CREATE_CONVERSION;
3012 break;
3013
3014 case T_CreateCastStmt:
3015 tag = CMDTAG_CREATE_CAST;
3016 break;
3017
3018 case T_CreateOpClassStmt:
3019 tag = CMDTAG_CREATE_OPERATOR_CLASS;
3020 break;
3021
3022 case T_CreateOpFamilyStmt:
3023 tag = CMDTAG_CREATE_OPERATOR_FAMILY;
3024 break;
3025
3026 case T_AlterOpFamilyStmt:
3027 tag = CMDTAG_ALTER_OPERATOR_FAMILY;
3028 break;
3029
3030 case T_AlterOperatorStmt:
3031 tag = CMDTAG_ALTER_OPERATOR;
3032 break;
3033
3034 case T_AlterTypeStmt:
3035 tag = CMDTAG_ALTER_TYPE;
3036 break;
3037
3038 case T_AlterTSDictionaryStmt:
3039 tag = CMDTAG_ALTER_TEXT_SEARCH_DICTIONARY;
3040 break;
3041
3042 case T_AlterTSConfigurationStmt:
3043 tag = CMDTAG_ALTER_TEXT_SEARCH_CONFIGURATION;
3044 break;
3045
3046 case T_CreatePolicyStmt:
3047 tag = CMDTAG_CREATE_POLICY;
3048 break;
3049
3050 case T_AlterPolicyStmt:
3051 tag = CMDTAG_ALTER_POLICY;
3052 break;
3053
3054 case T_CreateAmStmt:
3055 tag = CMDTAG_CREATE_ACCESS_METHOD;
3056 break;
3057
3058 case T_CreatePublicationStmt:
3059 tag = CMDTAG_CREATE_PUBLICATION;
3060 break;
3061
3062 case T_AlterPublicationStmt:
3063 tag = CMDTAG_ALTER_PUBLICATION;
3064 break;
3065
3066 case T_CreateSubscriptionStmt:
3067 tag = CMDTAG_CREATE_SUBSCRIPTION;
3068 break;
3069
3070 case T_AlterSubscriptionStmt:
3071 tag = CMDTAG_ALTER_SUBSCRIPTION;
3072 break;
3073
3074 case T_DropSubscriptionStmt:
3075 tag = CMDTAG_DROP_SUBSCRIPTION;
3076 break;
3077
3078 case T_AlterCollationStmt:
3079 tag = CMDTAG_ALTER_COLLATION;
3080 break;
3081
3082 case T_PrepareStmt:
3083 tag = CMDTAG_PREPARE;
3084 break;
3085
3086 case T_ExecuteStmt:
3087 tag = CMDTAG_EXECUTE;
3088 break;
3089
3090 case T_CreateStatsStmt:
3091 tag = CMDTAG_CREATE_STATISTICS;
3092 break;
3093
3094 case T_AlterStatsStmt:
3095 tag = CMDTAG_ALTER_STATISTICS;
3096 break;
3097
3098 case T_DeallocateStmt:
3099 {
3100 DeallocateStmt *stmt = (DeallocateStmt *) parsetree;
3101
3102 if (stmt->name == NULL)
3103 tag = CMDTAG_DEALLOCATE_ALL;
3104 else
3105 tag = CMDTAG_DEALLOCATE;
3106 }
3107 break;
3108
3109 case T_WaitStmt:
3110 tag = CMDTAG_WAIT;
3111 break;
3112
3113 /* already-planned queries */
3114 case T_PlannedStmt:
3115 {
3116 PlannedStmt *stmt = (PlannedStmt *) parsetree;
3117
3118 switch (stmt->commandType)
3119 {
3120 case CMD_SELECT:
3121
3122 /*
3123 * We take a little extra care here so that the result
3124 * will be useful for complaints about read-only
3125 * statements
3126 */
3127 if (stmt->rowMarks != NIL)
3128 {
3129 /* not 100% but probably close enough */
3130 switch (((PlanRowMark *) linitial(stmt->rowMarks))->strength)
3131 {
3132 case LCS_FORKEYSHARE:
3133 tag = CMDTAG_SELECT_FOR_KEY_SHARE;
3134 break;
3135 case LCS_FORSHARE:
3136 tag = CMDTAG_SELECT_FOR_SHARE;
3137 break;
3138 case LCS_FORNOKEYUPDATE:
3139 tag = CMDTAG_SELECT_FOR_NO_KEY_UPDATE;
3140 break;
3141 case LCS_FORUPDATE:
3142 tag = CMDTAG_SELECT_FOR_UPDATE;
3143 break;
3144 default:
3145 tag = CMDTAG_SELECT;
3146 break;
3147 }
3148 }
3149 else
3150 tag = CMDTAG_SELECT;
3151 break;
3152 case CMD_UPDATE:
3153 tag = CMDTAG_UPDATE;
3154 break;
3155 case CMD_INSERT:
3156 tag = CMDTAG_INSERT;
3157 break;
3158 case CMD_DELETE:
3159 tag = CMDTAG_DELETE;
3160 break;
3161 case CMD_MERGE:
3162 tag = CMDTAG_MERGE;
3163 break;
3164 case CMD_UTILITY:
3165 tag = CreateCommandTag(stmt->utilityStmt);
3166 break;
3167 default:
3168 elog(WARNING, "unrecognized commandType: %d",
3169 (int) stmt->commandType);
3170 tag = CMDTAG_UNKNOWN;
3171 break;
3172 }
3173 }
3174 break;
3175
3176 /* parsed-and-rewritten-but-not-planned queries */
3177 case T_Query:
3178 {
3179 Query *stmt = (Query *) parsetree;
3180
3181 switch (stmt->commandType)
3182 {
3183 case CMD_SELECT:
3184
3185 /*
3186 * We take a little extra care here so that the result
3187 * will be useful for complaints about read-only
3188 * statements
3189 */
3190 if (stmt->rowMarks != NIL)
3191 {
3192 /* not 100% but probably close enough */
3193 switch (((RowMarkClause *) linitial(stmt->rowMarks))->strength)
3194 {
3195 case LCS_FORKEYSHARE:
3196 tag = CMDTAG_SELECT_FOR_KEY_SHARE;
3197 break;
3198 case LCS_FORSHARE:
3199 tag = CMDTAG_SELECT_FOR_SHARE;
3200 break;
3201 case LCS_FORNOKEYUPDATE:
3202 tag = CMDTAG_SELECT_FOR_NO_KEY_UPDATE;
3203 break;
3204 case LCS_FORUPDATE:
3205 tag = CMDTAG_SELECT_FOR_UPDATE;
3206 break;
3207 default:
3208 tag = CMDTAG_UNKNOWN;
3209 break;
3210 }
3211 }
3212 else
3213 tag = CMDTAG_SELECT;
3214 break;
3215 case CMD_UPDATE:
3216 tag = CMDTAG_UPDATE;
3217 break;
3218 case CMD_INSERT:
3219 tag = CMDTAG_INSERT;
3220 break;
3221 case CMD_DELETE:
3222 tag = CMDTAG_DELETE;
3223 break;
3224 case CMD_MERGE:
3225 tag = CMDTAG_MERGE;
3226 break;
3227 case CMD_UTILITY:
3228 tag = CreateCommandTag(stmt->utilityStmt);
3229 break;
3230 default:
3231 elog(WARNING, "unrecognized commandType: %d",
3232 (int) stmt->commandType);
3233 tag = CMDTAG_UNKNOWN;
3234 break;
3235 }
3236 }
3237 break;
3238
3239 default:
3240 elog(WARNING, "unrecognized node type: %d",
3241 (int) nodeTag(parsetree));
3242 tag = CMDTAG_UNKNOWN;
3243 break;
3244 }
3245
3246 return tag;
3247}
3248
3249
3250/*
3251 * GetCommandLogLevel
3252 * utility to get the minimum log_statement level for a command,
3253 * given either a raw (un-analyzed) parsetree, an analyzed Query,
3254 * or a PlannedStmt.
3255 *
3256 * This must handle all command types, but since the vast majority
3257 * of 'em are utility commands, it seems sensible to keep it here.
3258 */
3259LogStmtLevel
3260GetCommandLogLevel(Node *parsetree)
3261{
3262 LogStmtLevel lev;
3263
3264 switch (nodeTag(parsetree))
3265 {
3266 /* recurse if we're given a RawStmt */
3267 case T_RawStmt:
3268 lev = GetCommandLogLevel(((RawStmt *) parsetree)->stmt);
3269 break;
3270
3271 /* raw plannable queries */
3272 case T_InsertStmt:
3273 case T_DeleteStmt:
3274 case T_UpdateStmt:
3275 case T_MergeStmt:
3276 lev = LOGSTMT_MOD;
3277 break;
3278
3279 case T_SelectStmt:
3280 if (((SelectStmt *) parsetree)->intoClause)
3281 lev = LOGSTMT_DDL; /* SELECT INTO */
3282 else
3283 lev = LOGSTMT_ALL;
3284 break;
3285
3286 case T_PLAssignStmt:
3287 lev = LOGSTMT_ALL;
3288 break;
3289
3290 /* utility statements --- same whether raw or cooked */
3291 case T_TransactionStmt:
3292 lev = LOGSTMT_ALL;
3293 break;
3294
3295 case T_DeclareCursorStmt:
3296 lev = LOGSTMT_ALL;
3297 break;
3298
3299 case T_ClosePortalStmt:
3300 lev = LOGSTMT_ALL;
3301 break;
3302
3303 case T_FetchStmt:
3304 lev = LOGSTMT_ALL;
3305 break;
3306
3307 case T_CreateSchemaStmt:
3308 lev = LOGSTMT_DDL;
3309 break;
3310
3311 case T_CreateStmt:
3312 case T_CreateForeignTableStmt:
3313 lev = LOGSTMT_DDL;
3314 break;
3315
3316 case T_CreateTableSpaceStmt:
3317 case T_DropTableSpaceStmt:
3318 case T_AlterTableSpaceOptionsStmt:
3319 lev = LOGSTMT_DDL;
3320 break;
3321
3322 case T_CreateExtensionStmt:
3323 case T_AlterExtensionStmt:
3324 case T_AlterExtensionContentsStmt:
3325 lev = LOGSTMT_DDL;
3326 break;
3327
3328 case T_CreateFdwStmt:
3329 case T_AlterFdwStmt:
3330 case T_CreateForeignServerStmt:
3331 case T_AlterForeignServerStmt:
3332 case T_CreateUserMappingStmt:
3333 case T_AlterUserMappingStmt:
3334 case T_DropUserMappingStmt:
3335 case T_ImportForeignSchemaStmt:
3336 lev = LOGSTMT_DDL;
3337 break;
3338
3339 case T_DropStmt:
3340 lev = LOGSTMT_DDL;
3341 break;
3342
3343 case T_TruncateStmt:
3344 lev = LOGSTMT_MOD;
3345 break;
3346
3347 case T_CommentStmt:
3348 lev = LOGSTMT_DDL;
3349 break;
3350
3351 case T_SecLabelStmt:
3352 lev = LOGSTMT_DDL;
3353 break;
3354
3355 case T_CopyStmt:
3356 if (((CopyStmt *) parsetree)->is_from)
3357 lev = LOGSTMT_MOD;
3358 else
3359 lev = LOGSTMT_ALL;
3360 break;
3361
3362 case T_PrepareStmt:
3363 {
3364 PrepareStmt *stmt = (PrepareStmt *) parsetree;
3365
3366 /* Look through a PREPARE to the contained stmt */
3367 lev = GetCommandLogLevel(stmt->query);
3368 }
3369 break;
3370
3371 case T_ExecuteStmt:
3372 {
3373 ExecuteStmt *stmt = (ExecuteStmt *) parsetree;
3374 PreparedStatement *ps;
3375
3376 /* Look through an EXECUTE to the referenced stmt */
3377 ps = FetchPreparedStatement(stmt->name, false);
3378 if (ps && ps->plansource->raw_parse_tree)
3379 lev = GetCommandLogLevel(ps->plansource->raw_parse_tree->stmt);
3380 else
3381 lev = LOGSTMT_ALL;
3382 }
3383 break;
3384
3385 case T_DeallocateStmt:
3386 lev = LOGSTMT_ALL;
3387 break;
3388
3389 case T_RenameStmt:
3390 lev = LOGSTMT_DDL;
3391 break;
3392
3393 case T_AlterObjectDependsStmt:
3394 lev = LOGSTMT_DDL;
3395 break;
3396
3397 case T_AlterObjectSchemaStmt:
3398 lev = LOGSTMT_DDL;
3399 break;
3400
3401 case T_AlterOwnerStmt:
3402 lev = LOGSTMT_DDL;
3403 break;
3404
3405 case T_AlterOperatorStmt:
3406 lev = LOGSTMT_DDL;
3407 break;
3408
3409 case T_AlterTypeStmt:
3410 lev = LOGSTMT_DDL;
3411 break;
3412
3413 case T_AlterTableMoveAllStmt:
3414 case T_AlterTableStmt:
3415 lev = LOGSTMT_DDL;
3416 break;
3417
3418 case T_AlterDomainStmt:
3419 lev = LOGSTMT_DDL;
3420 break;
3421
3422 case T_GrantStmt:
3423 lev = LOGSTMT_DDL;
3424 break;
3425
3426 case T_GrantRoleStmt:
3427 lev = LOGSTMT_DDL;
3428 break;
3429
3430 case T_AlterDefaultPrivilegesStmt:
3431 lev = LOGSTMT_DDL;
3432 break;
3433
3434 case T_DefineStmt:
3435 lev = LOGSTMT_DDL;
3436 break;
3437
3438 case T_CompositeTypeStmt:
3439 lev = LOGSTMT_DDL;
3440 break;
3441
3442 case T_CreateEnumStmt:
3443 lev = LOGSTMT_DDL;
3444 break;
3445
3446 case T_CreateRangeStmt:
3447 lev = LOGSTMT_DDL;
3448 break;
3449
3450 case T_AlterEnumStmt:
3451 lev = LOGSTMT_DDL;
3452 break;
3453
3454 case T_ViewStmt:
3455 lev = LOGSTMT_DDL;
3456 break;
3457
3458 case T_CreateFunctionStmt:
3459 lev = LOGSTMT_DDL;
3460 break;
3461
3462 case T_AlterFunctionStmt:
3463 lev = LOGSTMT_DDL;
3464 break;
3465
3466 case T_IndexStmt:
3467 lev = LOGSTMT_DDL;
3468 break;
3469
3470 case T_RuleStmt:
3471 lev = LOGSTMT_DDL;
3472 break;
3473
3474 case T_CreateSeqStmt:
3475 lev = LOGSTMT_DDL;
3476 break;
3477
3478 case T_AlterSeqStmt:
3479 lev = LOGSTMT_DDL;
3480 break;
3481
3482 case T_DoStmt:
3483 lev = LOGSTMT_ALL;
3484 break;
3485
3486 case T_CreatedbStmt:
3487 lev = LOGSTMT_DDL;
3488 break;
3489
3490 case T_AlterDatabaseStmt:
3491 case T_AlterDatabaseRefreshCollStmt:
3492 case T_AlterDatabaseSetStmt:
3493 lev = LOGSTMT_DDL;
3494 break;
3495
3496 case T_DropdbStmt:
3497 lev = LOGSTMT_DDL;
3498 break;
3499
3500 case T_NotifyStmt:
3501 lev = LOGSTMT_ALL;
3502 break;
3503
3504 case T_ListenStmt:
3505 lev = LOGSTMT_ALL;
3506 break;
3507
3508 case T_UnlistenStmt:
3509 lev = LOGSTMT_ALL;
3510 break;
3511
3512 case T_LoadStmt:
3513 lev = LOGSTMT_ALL;
3514 break;
3515
3516 case T_CallStmt:
3517 lev = LOGSTMT_ALL;
3518 break;
3519
3520 case T_ClusterStmt:
3521 lev = LOGSTMT_DDL;
3522 break;
3523
3524 case T_VacuumStmt:
3525 lev = LOGSTMT_ALL;
3526 break;
3527
3528 case T_ExplainStmt:
3529 {
3530 ExplainStmt *stmt = (ExplainStmt *) parsetree;
3531 bool analyze = false;
3532 ListCell *lc;
3533
3534 /* Look through an EXPLAIN ANALYZE to the contained stmt */
3535 foreach(lc, stmt->options)
3536 {
3537 DefElem *opt = (DefElem *) lfirst(lc);
3538
3539 if (strcmp(opt->defname, "analyze") == 0)
3540 analyze = defGetBoolean(opt);
3541 /* don't "break", as explain.c will use the last value */
3542 }
3543 if (analyze)
3544 return GetCommandLogLevel(stmt->query);
3545
3546 /* Plain EXPLAIN isn't so interesting */
3547 lev = LOGSTMT_ALL;
3548 }
3549 break;
3550
3551 case T_CreateTableAsStmt:
3552 lev = LOGSTMT_DDL;
3553 break;
3554
3555 case T_RefreshMatViewStmt:
3556 lev = LOGSTMT_DDL;
3557 break;
3558
3559 case T_AlterSystemStmt:
3560 lev = LOGSTMT_DDL;
3561 break;
3562
3563 case T_VariableSetStmt:
3564 lev = LOGSTMT_ALL;
3565 break;
3566
3567 case T_VariableShowStmt:
3568 lev = LOGSTMT_ALL;
3569 break;
3570
3571 case T_DiscardStmt:
3572 lev = LOGSTMT_ALL;
3573 break;
3574
3575 case T_CreateTrigStmt:
3576 lev = LOGSTMT_DDL;
3577 break;
3578
3579 case T_CreateEventTrigStmt:
3580 lev = LOGSTMT_DDL;
3581 break;
3582
3583 case T_AlterEventTrigStmt:
3584 lev = LOGSTMT_DDL;
3585 break;
3586
3587 case T_CreatePLangStmt:
3588 lev = LOGSTMT_DDL;
3589 break;
3590
3591 case T_CreateDomainStmt:
3592 lev = LOGSTMT_DDL;
3593 break;
3594
3595 case T_CreateRoleStmt:
3596 lev = LOGSTMT_DDL;
3597 break;
3598
3599 case T_AlterRoleStmt:
3600 lev = LOGSTMT_DDL;
3601 break;
3602
3603 case T_AlterRoleSetStmt:
3604 lev = LOGSTMT_DDL;
3605 break;
3606
3607 case T_DropRoleStmt:
3608 lev = LOGSTMT_DDL;
3609 break;
3610
3611 case T_DropOwnedStmt:
3612 lev = LOGSTMT_DDL;
3613 break;
3614
3615 case T_ReassignOwnedStmt:
3616 lev = LOGSTMT_DDL;
3617 break;
3618
3619 case T_LockStmt:
3620 lev = LOGSTMT_ALL;
3621 break;
3622
3623 case T_ConstraintsSetStmt:
3624 lev = LOGSTMT_ALL;
3625 break;
3626
3627 case T_CheckPointStmt:
3628 lev = LOGSTMT_ALL;
3629 break;
3630
3631 case T_ReindexStmt:
3632 lev = LOGSTMT_ALL; /* should this be DDL? */
3633 break;
3634
3635 case T_CreateConversionStmt:
3636 lev = LOGSTMT_DDL;
3637 break;
3638
3639 case T_CreateCastStmt:
3640 lev = LOGSTMT_DDL;
3641 break;
3642
3643 case T_CreateOpClassStmt:
3644 lev = LOGSTMT_DDL;
3645 break;
3646
3647 case T_CreateOpFamilyStmt:
3648 lev = LOGSTMT_DDL;
3649 break;
3650
3651 case T_CreateTransformStmt:
3652 lev = LOGSTMT_DDL;
3653 break;
3654
3655 case T_AlterOpFamilyStmt:
3656 lev = LOGSTMT_DDL;
3657 break;
3658
3659 case T_CreatePolicyStmt:
3660 lev = LOGSTMT_DDL;
3661 break;
3662
3663 case T_AlterPolicyStmt:
3664 lev = LOGSTMT_DDL;
3665 break;
3666
3667 case T_AlterTSDictionaryStmt:
3668 lev = LOGSTMT_DDL;
3669 break;
3670
3671 case T_AlterTSConfigurationStmt:
3672 lev = LOGSTMT_DDL;
3673 break;
3674
3675 case T_CreateAmStmt:
3676 lev = LOGSTMT_DDL;
3677 break;
3678
3679 case T_CreatePublicationStmt:
3680 lev = LOGSTMT_DDL;
3681 break;
3682
3683 case T_AlterPublicationStmt:
3684 lev = LOGSTMT_DDL;
3685 break;
3686
3687 case T_CreateSubscriptionStmt:
3688 lev = LOGSTMT_DDL;
3689 break;
3690
3691 case T_AlterSubscriptionStmt:
3692 lev = LOGSTMT_DDL;
3693 break;
3694
3695 case T_DropSubscriptionStmt:
3696 lev = LOGSTMT_DDL;
3697 break;
3698
3699 case T_CreateStatsStmt:
3700 lev = LOGSTMT_DDL;
3701 break;
3702
3703 case T_AlterStatsStmt:
3704 lev = LOGSTMT_DDL;
3705 break;
3706
3707 case T_AlterCollationStmt:
3708 lev = LOGSTMT_DDL;
3709 break;
3710
3711 case T_WaitStmt:
3712 lev = LOGSTMT_ALL;
3713 break;
3714
3715 /* already-planned queries */
3716 case T_PlannedStmt:
3717 {
3718 PlannedStmt *stmt = (PlannedStmt *) parsetree;
3719
3720 switch (stmt->commandType)
3721 {
3722 case CMD_SELECT:
3723 lev = LOGSTMT_ALL;
3724 break;
3725
3726 case CMD_UPDATE:
3727 case CMD_INSERT:
3728 case CMD_DELETE:
3729 case CMD_MERGE:
3730 lev = LOGSTMT_MOD;
3731 break;
3732
3733 case CMD_UTILITY:
3734 lev = GetCommandLogLevel(stmt->utilityStmt);
3735 break;
3736
3737 default:
3738 elog(WARNING, "unrecognized commandType: %d",
3739 (int) stmt->commandType);
3740 lev = LOGSTMT_ALL;
3741 break;
3742 }
3743 }
3744 break;
3745
3746 /* parsed-and-rewritten-but-not-planned queries */
3747 case T_Query:
3748 {
3749 Query *stmt = (Query *) parsetree;
3750
3751 switch (stmt->commandType)
3752 {
3753 case CMD_SELECT:
3754 lev = LOGSTMT_ALL;
3755 break;
3756
3757 case CMD_UPDATE:
3758 case CMD_INSERT:
3759 case CMD_DELETE:
3760 case CMD_MERGE:
3761 lev = LOGSTMT_MOD;
3762 break;
3763
3764 case CMD_UTILITY:
3765 lev = GetCommandLogLevel(stmt->utilityStmt);
3766 break;
3767
3768 default:
3769 elog(WARNING, "unrecognized commandType: %d",
3770 (int) stmt->commandType);
3771 lev = LOGSTMT_ALL;
3772 break;
3773 }
3774 }
3775 break;
3776
3777 default:
3778 elog(WARNING, "unrecognized node type: %d",
3779 (int) nodeTag(parsetree));
3780 lev = LOGSTMT_ALL;
3781 break;
3782 }
3783
3784 return lev;
3785}
ExecuteGrantStmt
void ExecuteGrantStmt(GrantStmt *stmt)
Definition aclchk.c:391
ExecAlterDefaultPrivilegesStmt
void ExecAlterDefaultPrivilegesStmt(ParseState *pstate, AlterDefaultPrivilegesStmt *stmt)
Definition aclchk.c:916
DefineAggregate
ObjectAddress DefineAggregate(ParseState *pstate, List *name, List *args, bool oldstyle, List *parameters, bool replace)
Definition aggregatecmds.c:53
ExecAlterOwnerStmt
ObjectAddress ExecAlterOwnerStmt(AlterOwnerStmt *stmt)
Definition alter.c:831
ExecAlterObjectDependsStmt
ObjectAddress ExecAlterObjectDependsStmt(AlterObjectDependsStmt *stmt, ObjectAddress *refAddress)
Definition alter.c:465
ExecRenameStmt
ObjectAddress ExecRenameStmt(RenameStmt *stmt)
Definition alter.c:367
ExecAlterObjectSchemaStmt
ObjectAddress ExecAlterObjectSchemaStmt(AlterObjectSchemaStmt *stmt, ObjectAddress *oldSchemaAddr)
Definition alter.c:528
CreateAccessMethod
ObjectAddress CreateAccessMethod(CreateAmStmt *stmt)
Definition amcmds.c:43
Async_UnlistenAll
void Async_UnlistenAll(void)
Definition async.c:1066
Async_Unlisten
void Async_Unlisten(const char *channel)
Definition async.c:1048
Async_Listen
void Async_Listen(const char *channel)
Definition async.c:1034
Async_Notify
void Async_Notify(const char *channel, const char *payload)
Definition async.c:885
DoCopy
void DoCopy(ParseState *pstate, const CopyStmt *stmt, int stmt_location, int stmt_len, uint64 *processed)
Definition copy.c:63
PrepareQuery
void PrepareQuery(ParseState *pstate, PrepareStmt *stmt, int stmt_location, int stmt_len)
Definition prepare.c:59
FetchPreparedStatementResultDesc
TupleDesc FetchPreparedStatementResultDesc(PreparedStatement *stmt)
Definition prepare.c:466
FetchPreparedStatement
PreparedStatement * FetchPreparedStatement(const char *stmt_name, bool throwError)
Definition prepare.c:434
ExecuteQuery
void ExecuteQuery(ParseState *pstate, ExecuteStmt *stmt, IntoClause *intoClause, ParamListInfo params, DestReceiver *dest, QueryCompletion *qc)
Definition prepare.c:150
DeallocateQuery
void DeallocateQuery(DeallocateStmt *stmt)
Definition prepare.c:505
AlterTableSpaceOptions
Oid AlterTableSpaceOptions(AlterTableSpaceOptionsStmt *stmt)
Definition tablespace.c:1015
DropTableSpace
void DropTableSpace(DropTableSpaceStmt *stmt)
Definition tablespace.c:395
CreateTableSpace
Oid CreateTableSpace(CreateTableSpaceStmt *stmt)
Definition tablespace.c:208
Assert
#define Assert(condition)
Definition c.h:873
uint64
uint64_t uint64
Definition c.h:547
OidIsValid
#define OidIsValid(objectId)
Definition c.h:788
ExecCheckpoint
void ExecCheckpoint(ParseState *pstate, CheckPointStmt *stmt)
Definition checkpointer.c:1012
cluster
void cluster(ParseState *pstate, ClusterStmt *stmt, bool isTopLevel)
Definition cluster.c:107
GetCommandTagName
const char * GetCommandTagName(CommandTag commandTag)
Definition cmdtag.c:47
SetQueryCompletion
static void SetQueryCompletion(QueryCompletion *qc, CommandTag commandTag, uint64 nprocessed)
Definition cmdtag.h:37
CommandTag
CommandTag
Definition cmdtag.h:23
AlterCollation
ObjectAddress AlterCollation(AlterCollationStmt *stmt)
Definition collationcmds.c:429
DefineCollation
ObjectAddress DefineCollation(ParseState *pstate, List *names, List *parameters, bool if_not_exists)
Definition collationcmds.c:58
DefineSequence
ObjectAddress DefineSequence(ParseState *pstate, CreateSeqStmt *seq)
Definition sequence.c:112
AlterSequence
ObjectAddress AlterSequence(ParseState *pstate, AlterSeqStmt *stmt)
Definition sequence.c:429
CommentObject
ObjectAddress CommentObject(CommentStmt *stmt)
Definition comment.c:40
CreateConversionCommand
ObjectAddress CreateConversionCommand(CreateConversionStmt *stmt)
Definition conversioncmds.c:32
ExecCreateTableAs
ObjectAddress ExecCreateTableAs(ParseState *pstate, CreateTableAsStmt *stmt, ParamListInfo params, QueryEnvironment *queryEnv, QueryCompletion *qc)
Definition createas.c:223
AlterDatabaseRefreshColl
ObjectAddress AlterDatabaseRefreshColl(AlterDatabaseRefreshCollStmt *stmt)
Definition dbcommands.c:2542
createdb
Oid createdb(ParseState *pstate, const CreatedbStmt *stmt)
Definition dbcommands.c:685
AlterDatabase
Oid AlterDatabase(ParseState *pstate, AlterDatabaseStmt *stmt, bool isTopLevel)
Definition dbcommands.c:2369
DropDatabase
void DropDatabase(ParseState *pstate, DropdbStmt *stmt)
Definition dbcommands.c:2343
AlterDatabaseSet
Oid AlterDatabaseSet(AlterDatabaseSetStmt *stmt)
Definition dbcommands.c:2639
defGetBoolean
bool defGetBoolean(DefElem *def)
Definition define.c:93
None_Receiver
DestReceiver * None_Receiver
Definition dest.c:96
load_file
void load_file(const char *filename, bool restricted)
Definition dfmgr.c:149
DiscardCommand
void DiscardCommand(DiscardStmt *stmt, bool isTopLevel)
Definition discard.c:31
RemoveObjects
void RemoveObjects(DropStmt *stmt)
Definition dropcmds.c:53
errdetail
int errdetail(const char *fmt,...)
Definition elog.c:1216
errcode
int errcode(int sqlerrcode)
Definition elog.c:863
errmsg
int errmsg(const char *fmt,...)
Definition elog.c:1080
PG_TRY
#define PG_TRY(...)
Definition elog.h:372
WARNING
#define WARNING
Definition elog.h:36
PG_END_TRY
#define PG_END_TRY(...)
Definition elog.h:397
ERROR
#define ERROR
Definition elog.h:39
elog
#define elog(elevel,...)
Definition elog.h:226
NOTICE
#define NOTICE
Definition elog.h:35
PG_FINALLY
#define PG_FINALLY(...)
Definition elog.h:389
ereport
#define ereport(elevel,...)
Definition elog.h:150
EventTriggerUndoInhibitCommandCollection
void EventTriggerUndoInhibitCommandCollection(void)
Definition event_trigger.c:1693
EventTriggerAlterTableStart
void EventTriggerAlterTableStart(Node *parsetree)
Definition event_trigger.c:1753
EventTriggerCollectAlterDefPrivs
void EventTriggerCollectAlterDefPrivs(AlterDefaultPrivilegesStmt *stmt)
Definition event_trigger.c:2024
EventTriggerDDLCommandStart
void EventTriggerDDLCommandStart(Node *parsetree)
Definition event_trigger.c:725
EventTriggerInhibitCommandCollection
void EventTriggerInhibitCommandCollection(void)
Definition event_trigger.c:1681
EventTriggerBeginCompleteQuery
bool EventTriggerBeginCompleteQuery(void)
Definition event_trigger.c:1183
EventTriggerSupportsObjectType
bool EventTriggerSupportsObjectType(ObjectType obtype)
Definition event_trigger.c:1133
CreateEventTrigger
Oid CreateEventTrigger(CreateEventTrigStmt *stmt)
Definition event_trigger.c:124
AlterEventTrigger
Oid AlterEventTrigger(AlterEventTrigStmt *stmt)
Definition event_trigger.c:427
EventTriggerSQLDrop
void EventTriggerSQLDrop(Node *parsetree)
Definition event_trigger.c:824
EventTriggerEndCompleteQuery
void EventTriggerEndCompleteQuery(void)
Definition event_trigger.c:1227
EventTriggerAlterTableRelid
void EventTriggerAlterTableRelid(Oid objectId)
Definition event_trigger.c:1787
EventTriggerAlterTableEnd
void EventTriggerAlterTableEnd(void)
Definition event_trigger.c:1840
EventTriggerCollectSimpleCommand
void EventTriggerCollectSimpleCommand(ObjectAddress address, ObjectAddress secondaryObject, Node *parsetree)
Definition event_trigger.c:1715
EventTriggerDDLCommandEnd
void EventTriggerDDLCommandEnd(Node *parsetree)
Definition event_trigger.c:776
event_trigger.h
ExplainQuery
void ExplainQuery(ParseState *pstate, ExplainStmt *stmt, ParamListInfo params, DestReceiver *dest)
Definition explain.c:177
ExplainResultDesc
TupleDesc ExplainResultDesc(ExplainStmt *stmt)
Definition explain.c:255
CreateExtension
ObjectAddress CreateExtension(ParseState *pstate, CreateExtensionStmt *stmt)
Definition extension.c:2013
ExecAlterExtensionStmt
ObjectAddress ExecAlterExtensionStmt(ParseState *pstate, AlterExtensionStmt *stmt)
Definition extension.c:3337
ExecAlterExtensionContentsStmt
ObjectAddress ExecAlterExtensionContentsStmt(AlterExtensionContentsStmt *stmt, ObjectAddress *objAddr)
Definition extension.c:3642
closeAllVfds
void closeAllVfds(void)
Definition fd.c:3064
ImportForeignSchema
void ImportForeignSchema(ImportForeignSchemaStmt *stmt)
Definition foreigncmds.c:1495
AlterForeignServer
ObjectAddress AlterForeignServer(AlterForeignServerStmt *stmt)
Definition foreigncmds.c:985
AlterForeignDataWrapper
ObjectAddress AlterForeignDataWrapper(ParseState *pstate, AlterFdwStmt *stmt)
Definition foreigncmds.c:685
CreateForeignServer
ObjectAddress CreateForeignServer(CreateForeignServerStmt *stmt)
Definition foreigncmds.c:849
RemoveUserMapping
Oid RemoveUserMapping(DropUserMappingStmt *stmt)
Definition foreigncmds.c:1335
CreateForeignDataWrapper
ObjectAddress CreateForeignDataWrapper(ParseState *pstate, CreateFdwStmt *stmt)
Definition foreigncmds.c:569
AlterUserMapping
ObjectAddress AlterUserMapping(AlterUserMappingStmt *stmt)
Definition foreigncmds.c:1237
CreateForeignTable
void CreateForeignTable(CreateForeignTableStmt *stmt, Oid relid)
Definition foreigncmds.c:1415
CreateUserMapping
ObjectAddress CreateUserMapping(CreateUserMappingStmt *stmt)
Definition foreigncmds.c:1111
ExecuteCallStmt
void ExecuteCallStmt(CallStmt *stmt, ParamListInfo params, bool atomic, DestReceiver *dest)
Definition functioncmds.c:2208
CreateCast
ObjectAddress CreateCast(CreateCastStmt *stmt)
Definition functioncmds.c:1541
CreateFunction
ObjectAddress CreateFunction(ParseState *pstate, CreateFunctionStmt *stmt)
Definition functioncmds.c:1028
AlterFunction
ObjectAddress AlterFunction(ParseState *pstate, AlterFunctionStmt *stmt)
Definition functioncmds.c:1363
CallStmtResultDesc
TupleDesc CallStmtResultDesc(CallStmt *stmt)
Definition functioncmds.c:2385
ExecuteDoStmt
void ExecuteDoStmt(ParseState *pstate, DoStmt *stmt, bool atomic)
Definition functioncmds.c:2086
CreateTransform
ObjectAddress CreateTransform(CreateTransformStmt *stmt)
Definition functioncmds.c:1834
AlterSystemSetConfigFile
void AlterSystemSetConfigFile(AlterSystemStmt *altersysstmt)
Definition guc.c:4470
GetPGVariable
void GetPGVariable(const char *name, DestReceiver *dest)
Definition guc_funcs.c:408
GetPGVariableResultDesc
TupleDesc GetPGVariableResultDesc(const char *name)
Definition guc_funcs.c:420
SetPGVariable
void SetPGVariable(const char *name, List *args, bool is_local)
Definition guc_funcs.c:341
ExecSetVariableStmt
void ExecSetVariableStmt(VariableSetStmt *stmt, bool isTopLevel)
Definition guc_funcs.c:43
stmt
#define stmt
Definition indent_codes.h:59
ps
struct parser_state ps
ExecReindex
void ExecReindex(ParseState *pstate, const ReindexStmt *stmt, bool isTopLevel)
Definition indexcmds.c:2849
DefineIndex
ObjectAddress DefineIndex(ParseState *pstate, Oid tableId, IndexStmt *stmt, Oid indexRelationId, Oid parentIndexId, Oid parentConstraintId, int total_parts, bool is_alter_table, bool check_rights, bool check_not_in_use, bool skip_build, bool quiet)
Definition indexcmds.c:544
true
return true
Definition isn.c:130
list_delete_first
List * list_delete_first(List *list)
Definition list.c:943
list_concat
List * list_concat(List *list1, const List *list2)
Definition list.c:561
list_free
void list_free(List *list)
Definition list.c:1546
LockTableCommand
void LockTableCommand(LockStmt *lockstmt)
Definition lockcmds.c:41
LOCKMODE
int LOCKMODE
Definition lockdefs.h:26
ShareUpdateExclusiveLock
#define ShareUpdateExclusiveLock
Definition lockdefs.h:39
ShareLock
#define ShareLock
Definition lockdefs.h:40
RowExclusiveLock
#define RowExclusiveLock
Definition lockdefs.h:38
LCS_FORUPDATE
@ LCS_FORUPDATE
Definition lockoptions.h:27
LCS_FORSHARE
@ LCS_FORSHARE
Definition lockoptions.h:25
LCS_FORKEYSHARE
@ LCS_FORKEYSHARE
Definition lockoptions.h:24
LCS_FORNOKEYUPDATE
@ LCS_FORNOKEYUPDATE
Definition lockoptions.h:26
get_rel_relkind
char get_rel_relkind(Oid relid)
Definition lsyscache.c:2153
ExecRefreshMatView
ObjectAddress ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString, QueryCompletion *qc)
Definition matview.c:120
B_BACKEND
@ B_BACKEND
Definition miscadmin.h:342
InSecurityRestrictedOperation
bool InSecurityRestrictedOperation(void)
Definition miscinit.c:639
MyBackendType
BackendType MyBackendType
Definition miscinit.c:64
RangeVarGetRelidExtended
Oid RangeVarGetRelidExtended(const RangeVar *relation, LOCKMODE lockmode, uint32 flags, RangeVarGetRelidCallback callback, void *callback_arg)
Definition namespace.c:440
RangeVarGetRelid
#define RangeVarGetRelid(relation, lockmode, missing_ok)
Definition namespace.h:98
IsA
#define IsA(nodeptr, _type_)
Definition nodes.h:164
copyObject
#define copyObject(obj)
Definition nodes.h:232
nodeTag
#define nodeTag(nodeptr)
Definition nodes.h:139
CMD_MERGE
@ CMD_MERGE
Definition nodes.h:279
CMD_UTILITY
@ CMD_UTILITY
Definition nodes.h:280
CMD_INSERT
@ CMD_INSERT
Definition nodes.h:277
CMD_DELETE
@ CMD_DELETE
Definition nodes.h:278
CMD_UNKNOWN
@ CMD_UNKNOWN
Definition nodes.h:274
CMD_UPDATE
@ CMD_UPDATE
Definition nodes.h:276
CMD_SELECT
@ CMD_SELECT
Definition nodes.h:275
CMD_NOTHING
@ CMD_NOTHING
Definition nodes.h:282
makeNode
#define makeNode(_type_)
Definition nodes.h:161
castNode
#define castNode(_type_, nodeptr)
Definition nodes.h:182
InvalidObjectAddress
const ObjectAddress InvalidObjectAddress
Definition objectaddress.c:836
DefineOpClass
ObjectAddress DefineOpClass(CreateOpClassStmt *stmt)
Definition opclasscmds.c:333
DefineOpFamily
ObjectAddress DefineOpFamily(CreateOpFamilyStmt *stmt)
Definition opclasscmds.c:792
AlterOpFamily
Oid AlterOpFamily(AlterOpFamilyStmt *stmt)
Definition opclasscmds.c:837
AlterOperator
ObjectAddress AlterOperator(AlterOperatorStmt *stmt)
Definition operatorcmds.c:462
DefineOperator
ObjectAddress DefineOperator(List *names, List *parameters)
Definition operatorcmds.c:67
free_parsestate
void free_parsestate(ParseState *pstate)
Definition parse_node.c:72
make_parsestate
ParseState * make_parsestate(ParseState *parentParseState)
Definition parse_node.c:39
transformCreateStmt
List * transformCreateStmt(CreateStmt *stmt, const char *queryString)
Definition parse_utilcmd.c:167
transformIndexStmt
IndexStmt * transformIndexStmt(Oid relid, IndexStmt *stmt, const char *queryString)
Definition parse_utilcmd.c:3058
expandTableLikeClause
List * expandTableLikeClause(RangeVar *heapRel, TableLikeClause *table_like_clause)
Definition parse_utilcmd.c:1347
transformStatsStmt
CreateStatsStmt * transformStatsStmt(Oid relid, CreateStatsStmt *stmt, const char *queryString)
Definition parse_utilcmd.c:3153
parse_utilcmd.h
AD_AddConstraint
@ AD_AddConstraint
Definition parsenodes.h:2576
AD_DropConstraint
@ AD_DropConstraint
Definition parsenodes.h:2577
AD_AlterDefault
@ AD_AlterDefault
Definition parsenodes.h:2573
AD_DropNotNull
@ AD_DropNotNull
Definition parsenodes.h:2574
AD_ValidateConstraint
@ AD_ValidateConstraint
Definition parsenodes.h:2578
AD_SetNotNull
@ AD_SetNotNull
Definition parsenodes.h:2575
TRANS_STMT_ROLLBACK_TO
@ TRANS_STMT_ROLLBACK_TO
Definition parsenodes.h:3826
TRANS_STMT_START
@ TRANS_STMT_START
Definition parsenodes.h:3821
TRANS_STMT_SAVEPOINT
@ TRANS_STMT_SAVEPOINT
Definition parsenodes.h:3824
TRANS_STMT_BEGIN
@ TRANS_STMT_BEGIN
Definition parsenodes.h:3820
TRANS_STMT_ROLLBACK
@ TRANS_STMT_ROLLBACK
Definition parsenodes.h:3823
TRANS_STMT_COMMIT_PREPARED
@ TRANS_STMT_COMMIT_PREPARED
Definition parsenodes.h:3828
TRANS_STMT_COMMIT
@ TRANS_STMT_COMMIT
Definition parsenodes.h:3822
TRANS_STMT_ROLLBACK_PREPARED
@ TRANS_STMT_ROLLBACK_PREPARED
Definition parsenodes.h:3829
TRANS_STMT_PREPARE
@ TRANS_STMT_PREPARE
Definition parsenodes.h:3827
TRANS_STMT_RELEASE
@ TRANS_STMT_RELEASE
Definition parsenodes.h:3825
VAR_SET_DEFAULT
@ VAR_SET_DEFAULT
Definition parsenodes.h:2724
VAR_RESET
@ VAR_RESET
Definition parsenodes.h:2727
VAR_SET_MULTI
@ VAR_SET_MULTI
Definition parsenodes.h:2726
VAR_SET_VALUE
@ VAR_SET_VALUE
Definition parsenodes.h:2723
VAR_SET_CURRENT
@ VAR_SET_CURRENT
Definition parsenodes.h:2725
VAR_RESET_ALL
@ VAR_RESET_ALL
Definition parsenodes.h:2728
ObjectType
ObjectType
Definition parsenodes.h:2351
OBJECT_EVENT_TRIGGER
@ OBJECT_EVENT_TRIGGER
Definition parsenodes.h:2366
OBJECT_FDW
@ OBJECT_FDW
Definition parsenodes.h:2368
OBJECT_TSPARSER
@ OBJECT_TSPARSER
Definition parsenodes.h:2399
OBJECT_COLLATION
@ OBJECT_COLLATION
Definition parsenodes.h:2359
OBJECT_ACCESS_METHOD
@ OBJECT_ACCESS_METHOD
Definition parsenodes.h:2352
OBJECT_OPCLASS
@ OBJECT_OPCLASS
Definition parsenodes.h:2376
OBJECT_AGGREGATE
@ OBJECT_AGGREGATE
Definition parsenodes.h:2353
OBJECT_MATVIEW
@ OBJECT_MATVIEW
Definition parsenodes.h:2375
OBJECT_SCHEMA
@ OBJECT_SCHEMA
Definition parsenodes.h:2388
OBJECT_POLICY
@ OBJECT_POLICY
Definition parsenodes.h:2380
OBJECT_OPERATOR
@ OBJECT_OPERATOR
Definition parsenodes.h:2377
OBJECT_FOREIGN_TABLE
@ OBJECT_FOREIGN_TABLE
Definition parsenodes.h:2370
OBJECT_TSCONFIGURATION
@ OBJECT_TSCONFIGURATION
Definition parsenodes.h:2397
OBJECT_OPFAMILY
@ OBJECT_OPFAMILY
Definition parsenodes.h:2378
OBJECT_DOMAIN
@ OBJECT_DOMAIN
Definition parsenodes.h:2364
OBJECT_COLUMN
@ OBJECT_COLUMN
Definition parsenodes.h:2358
OBJECT_TABLESPACE
@ OBJECT_TABLESPACE
Definition parsenodes.h:2394
OBJECT_ROLE
@ OBJECT_ROLE
Definition parsenodes.h:2385
OBJECT_ROUTINE
@ OBJECT_ROUTINE
Definition parsenodes.h:2386
OBJECT_LARGEOBJECT
@ OBJECT_LARGEOBJECT
Definition parsenodes.h:2374
OBJECT_PROCEDURE
@ OBJECT_PROCEDURE
Definition parsenodes.h:2381
OBJECT_EXTENSION
@ OBJECT_EXTENSION
Definition parsenodes.h:2367
OBJECT_INDEX
@ OBJECT_INDEX
Definition parsenodes.h:2372
OBJECT_DATABASE
@ OBJECT_DATABASE
Definition parsenodes.h:2361
OBJECT_SEQUENCE
@ OBJECT_SEQUENCE
Definition parsenodes.h:2389
OBJECT_TSTEMPLATE
@ OBJECT_TSTEMPLATE
Definition parsenodes.h:2400
OBJECT_LANGUAGE
@ OBJECT_LANGUAGE
Definition parsenodes.h:2373
OBJECT_FOREIGN_SERVER
@ OBJECT_FOREIGN_SERVER
Definition parsenodes.h:2369
OBJECT_TSDICTIONARY
@ OBJECT_TSDICTIONARY
Definition parsenodes.h:2398
OBJECT_ATTRIBUTE
@ OBJECT_ATTRIBUTE
Definition parsenodes.h:2356
OBJECT_PUBLICATION
@ OBJECT_PUBLICATION
Definition parsenodes.h:2382
OBJECT_RULE
@ OBJECT_RULE
Definition parsenodes.h:2387
OBJECT_CONVERSION
@ OBJECT_CONVERSION
Definition parsenodes.h:2360
OBJECT_TABLE
@ OBJECT_TABLE
Definition parsenodes.h:2393
OBJECT_VIEW
@ OBJECT_VIEW
Definition parsenodes.h:2403
OBJECT_TYPE
@ OBJECT_TYPE
Definition parsenodes.h:2401
OBJECT_FUNCTION
@ OBJECT_FUNCTION
Definition parsenodes.h:2371
OBJECT_TABCONSTRAINT
@ OBJECT_TABCONSTRAINT
Definition parsenodes.h:2392
OBJECT_DOMCONSTRAINT
@ OBJECT_DOMCONSTRAINT
Definition parsenodes.h:2365
OBJECT_SUBSCRIPTION
@ OBJECT_SUBSCRIPTION
Definition parsenodes.h:2390
OBJECT_STATISTIC_EXT
@ OBJECT_STATISTIC_EXT
Definition parsenodes.h:2391
OBJECT_CAST
@ OBJECT_CAST
Definition parsenodes.h:2357
OBJECT_TRIGGER
@ OBJECT_TRIGGER
Definition parsenodes.h:2396
OBJECT_TRANSFORM
@ OBJECT_TRANSFORM
Definition parsenodes.h:2395
AT_DetachPartition
@ AT_DetachPartition
Definition parsenodes.h:2504
DISCARD_ALL
@ DISCARD_ALL
Definition parsenodes.h:4092
DISCARD_PLANS
@ DISCARD_PLANS
Definition parsenodes.h:4093
DISCARD_SEQUENCES
@ DISCARD_SEQUENCES
Definition parsenodes.h:4094
DISCARD_TEMP
@ DISCARD_TEMP
Definition parsenodes.h:4095
pg_authid.h
find_all_inheritors
List * find_all_inheritors(Oid parentrelId, LOCKMODE lockmode, List **numparents)
Definition pg_inherits.c:255
pg_inherits.h
lfirst
#define lfirst(lc)
Definition pg_list.h:172
list_length
static int list_length(const List *l)
Definition pg_list.h:152
NIL
#define NIL
Definition pg_list.h:68
list_make1
#define list_make1(x1)
Definition pg_list.h:212
linitial
#define linitial(l)
Definition pg_list.h:178
lfirst_oid
#define lfirst_oid(lc)
Definition pg_list.h:174
PLAN_STMT_INTERNAL
@ PLAN_STMT_INTERNAL
Definition plannodes.h:40
CreatePolicy
ObjectAddress CreatePolicy(CreatePolicyStmt *stmt)
Definition policy.c:569
AlterPolicy
ObjectAddress AlterPolicy(AlterPolicyStmt *stmt)
Definition policy.c:768
PortalIsValid
#define PortalIsValid(p)
Definition portal.h:211
PerformCursorOpen
void PerformCursorOpen(ParseState *pstate, DeclareCursorStmt *cstmt, ParamListInfo params, bool isTopLevel)
Definition portalcmds.c:45
PerformPortalClose
void PerformPortalClose(const char *name)
Definition portalcmds.c:225
PerformPortalFetch
void PerformPortalFetch(FetchStmt *stmt, DestReceiver *dest, QueryCompletion *qc)
Definition portalcmds.c:178
GetPortalByName
Portal GetPortalByName(const char *name)
Definition portalmem.c:130
Datum
uint64_t Datum
Definition postgres.h:70
InvalidOid
#define InvalidOid
Definition postgres_ext.h:37
Oid
unsigned int Oid
Definition postgres_ext.h:32
fb
static int fb(int x)
Definition preproc-init.c:92
CreateProceduralLanguage
ObjectAddress CreateProceduralLanguage(CreatePLangStmt *stmt)
Definition proclang.c:38
CreatePublication
ObjectAddress CreatePublication(ParseState *pstate, CreatePublicationStmt *stmt)
Definition publicationcmds.c:831
AlterPublication
void AlterPublication(ParseState *pstate, AlterPublicationStmt *stmt)
Definition publicationcmds.c:1540
analyze
static long analyze(struct nfa *nfa)
Definition regc_nfa.c:3051
transformRelOptions
Datum transformRelOptions(Datum oldOptions, List *defList, const char *nameSpace, const char *const validnsps[], bool acceptOidsOff, bool isReset)
Definition reloptions.c:1256
heap_reloptions
bytea * heap_reloptions(char relkind, Datum reloptions, bool validate)
Definition reloptions.c:2152
HEAP_RELOPT_NAMESPACES
#define HEAP_RELOPT_NAMESPACES
Definition reloptions.h:62
DefineRule
ObjectAddress DefineRule(RuleStmt *stmt, const char *queryString)
Definition rewriteDefine.c:190
CreateSchemaCommand
Oid CreateSchemaCommand(CreateSchemaStmt *stmt, const char *queryString, int stmt_location, int stmt_len)
Definition schemacmds.c:52
ExecSecLabelStmt
ObjectAddress ExecSecLabelStmt(SecLabelStmt *stmt)
Definition seclabel.c:115
check_stack_depth
void check_stack_depth(void)
Definition stack_depth.c:95
CreateStatistics
ObjectAddress CreateStatistics(CreateStatsStmt *stmt, bool check_rights)
Definition statscmds.c:63
AlterStatistics
ObjectAddress AlterStatistics(AlterStatsStmt *stmt)
Definition statscmds.c:639
AlterTableCmd::subtype
AlterTableType subtype
Definition parsenodes.h:2517
AlterTableUtilityContext::params
ParamListInfo params
Definition utility.h:35
AlterTableUtilityContext::queryEnv
QueryEnvironment * queryEnv
Definition utility.h:36
AlterTableUtilityContext::pstmt
PlannedStmt * pstmt
Definition utility.h:32
AlterTableUtilityContext::queryString
const char * queryString
Definition utility.h:33
CachedPlanSource::resultDesc
TupleDesc resultDesc
Definition plancache.h:120
CreateStmt::relation
RangeVar * relation
Definition parsenodes.h:2779
DefElem::defname
char * defname
Definition parsenodes.h:844
DefElem::arg
Node * arg
Definition parsenodes.h:845
List
Definition pg_list.h:54
Node
Definition nodes.h:135
ParseState::p_queryEnv
QueryEnvironment * p_queryEnv
Definition parse_node.h:223
ParseState::p_sourcetext
const char * p_sourcetext
Definition parse_node.h:195
PlannedStmt::hasModifyingCTE
bool hasModifyingCTE
Definition plannodes.h:83
PlannedStmt::canSetTag
bool canSetTag
Definition plannodes.h:86
PlannedStmt::rowMarks
List * rowMarks
Definition plannodes.h:138
PlannedStmt::stmt_len
ParseLoc stmt_len
Definition plannodes.h:165
PlannedStmt::planOrigin
PlannedStmtOrigin planOrigin
Definition plannodes.h:77
PlannedStmt::stmt_location
ParseLoc stmt_location
Definition plannodes.h:163
PlannedStmt::commandType
CmdType commandType
Definition plannodes.h:68
PlannedStmt::utilityStmt
Node * utilityStmt
Definition plannodes.h:150
PortalData::tupDesc
TupleDesc tupDesc
Definition portal.h:159
PreparedStatement::plansource
CachedPlanSource * plansource
Definition prepare.h:32
QueryCompletion::commandTag
CommandTag commandTag
Definition cmdtag.h:31
Query::returningList
List * returningList
Definition parsenodes.h:214
Query::commandType
CmdType commandType
Definition parsenodes.h:121
Query::utilityStmt
Node * utilityStmt
Definition parsenodes.h:141
_DestReceiver
Definition dest.h:116
DropSubscription
void DropSubscription(DropSubscriptionStmt *stmt, bool isTopLevel)
Definition subscriptioncmds.c:2010
CreateSubscription
ObjectAddress CreateSubscription(ParseState *pstate, CreateSubscriptionStmt *stmt, bool isTopLevel)
Definition subscriptioncmds.c:586
AlterSubscription
ObjectAddress AlterSubscription(ParseState *pstate, AlterSubscriptionStmt *stmt, bool isTopLevel)
Definition subscriptioncmds.c:1333
superuser
bool superuser(void)
Definition superuser.c:46
AlterTable
void AlterTable(AlterTableStmt *stmt, LOCKMODE lockmode, AlterTableUtilityContext *context)
Definition tablecmds.c:4532
RemoveRelations
void RemoveRelations(DropStmt *drop)
Definition tablecmds.c:1534
AlterTableGetLockLevel
LOCKMODE AlterTableGetLockLevel(List *cmds)
Definition tablecmds.c:4606
ExecuteTruncate
void ExecuteTruncate(TruncateStmt *stmt)
Definition tablecmds.c:1857
AlterTableLookupRelation
Oid AlterTableLookupRelation(AlterTableStmt *stmt, LOCKMODE lockmode)
Definition tablecmds.c:4473
DefineRelation
ObjectAddress DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId, ObjectAddress *typaddress, const char *queryString)
Definition tablecmds.c:769
AlterTableMoveAll
Oid AlterTableMoveAll(AlterTableMoveAllStmt *stmt)
Definition tablecmds.c:17015
RangeVarCallbackOwnsRelation
void RangeVarCallbackOwnsRelation(const RangeVar *relation, Oid relId, Oid oldRelId, void *arg)
Definition tablecmds.c:19582
LogStmtLevel
LogStmtLevel
Definition tcopprot.h:33
LOGSTMT_MOD
@ LOGSTMT_MOD
Definition tcopprot.h:36
LOGSTMT_DDL
@ LOGSTMT_DDL
Definition tcopprot.h:35
LOGSTMT_ALL
@ LOGSTMT_ALL
Definition tcopprot.h:37
NewRelationCreateToastTable
void NewRelationCreateToastTable(Oid relOid, Datum reloptions)
Definition toasting.c:71
AfterTriggerSetState
void AfterTriggerSetState(ConstraintsSetStmt *stmt)
Definition trigger.c:5766
CreateTrigger
ObjectAddress CreateTrigger(CreateTrigStmt *stmt, const char *queryString, Oid relOid, Oid refRelOid, Oid constraintOid, Oid indexOid, Oid funcoid, Oid parentTriggerOid, Node *whenClause, bool isInternal, bool in_partition)
Definition trigger.c:160
AlterTSConfiguration
ObjectAddress AlterTSConfiguration(AlterTSConfigurationStmt *stmt)
Definition tsearchcmds.c:1156
DefineTSTemplate
ObjectAddress DefineTSTemplate(List *names, List *parameters)
Definition tsearchcmds.c:690
DefineTSDictionary
ObjectAddress DefineTSDictionary(List *names, List *parameters)
Definition tsearchcmds.c:397
DefineTSConfiguration
ObjectAddress DefineTSConfiguration(List *names, List *parameters, ObjectAddress *copied)
Definition tsearchcmds.c:899
AlterTSDictionary
ObjectAddress AlterTSDictionary(AlterTSDictionaryStmt *stmt)
Definition tsearchcmds.c:493
DefineTSParser
ObjectAddress DefineTSParser(List *names, List *parameters)
Definition tsearchcmds.c:184
CreateTupleDescCopy
TupleDesc CreateTupleDescCopy(TupleDesc tupdesc)
Definition tupdesc.c:252
FinishPreparedTransaction
void FinishPreparedTransaction(const char *gid, bool isCommit)
Definition twophase.c:1497
AlterDomainNotNull
ObjectAddress AlterDomainNotNull(List *names, bool notNull)
Definition typecmds.c:2768
DefineType
ObjectAddress DefineType(ParseState *pstate, List *names, List *parameters)
Definition typecmds.c:154
DefineEnum
ObjectAddress DefineEnum(CreateEnumStmt *stmt)
Definition typecmds.c:1183
AlterDomainDropConstraint
ObjectAddress AlterDomainDropConstraint(List *names, const char *constrName, DropBehavior behavior, bool missing_ok)
Definition typecmds.c:2854
AlterEnum
ObjectAddress AlterEnum(AlterEnumStmt *stmt)
Definition typecmds.c:1307
AlterDomainAddConstraint
ObjectAddress AlterDomainAddConstraint(List *names, Node *newConstraint, ObjectAddress *constrAddr)
Definition typecmds.c:2960
DefineDomain
ObjectAddress DefineDomain(ParseState *pstate, CreateDomainStmt *stmt)
Definition typecmds.c:699
AlterDomainValidateConstraint
ObjectAddress AlterDomainValidateConstraint(List *names, const char *constrName)
Definition typecmds.c:3057
AlterDomainDefault
ObjectAddress AlterDomainDefault(List *names, Node *defaultRaw)
Definition typecmds.c:2639
DefineCompositeType
ObjectAddress DefineCompositeType(RangeVar *typevar, List *coldeflist)
Definition typecmds.c:2581
AlterType
ObjectAddress AlterType(AlterTypeStmt *stmt)
Definition typecmds.c:4347
DefineRange
ObjectAddress DefineRange(ParseState *pstate, CreateRangeStmt *stmt)
Definition typecmds.c:1382
ReassignOwnedObjects
void ReassignOwnedObjects(ReassignOwnedStmt *stmt)
Definition user.c:1612
AlterRole
Oid AlterRole(ParseState *pstate, AlterRoleStmt *stmt)
Definition user.c:620
AlterRoleSet
Oid AlterRoleSet(AlterRoleSetStmt *stmt)
Definition user.c:1001
DropRole
void DropRole(DropRoleStmt *stmt)
Definition user.c:1091
CreateRole
Oid CreateRole(ParseState *pstate, CreateRoleStmt *stmt)
Definition user.c:133
GrantRole
void GrantRole(ParseState *pstate, GrantRoleStmt *stmt)
Definition user.c:1481
DropOwnedObjects
void DropOwnedObjects(DropOwnedStmt *stmt)
Definition user.c:1584
ClassifyUtilityCommandAsReadOnly
static int ClassifyUtilityCommandAsReadOnly(Node *parsetree)
Definition utility.c:129
standard_ProcessUtility
void standard_ProcessUtility(PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition utility.c:545
PreventCommandIfReadOnly
void PreventCommandIfReadOnly(const char *cmdname)
Definition utility.c:406
ProcessUtility
void ProcessUtility(PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition utility.c:501
PreventCommandIfParallelMode
void PreventCommandIfParallelMode(const char *cmdname)
Definition utility.c:424
UtilityReturnsTuples
bool UtilityReturnsTuples(Node *parsetree)
Definition utility.c:2029
ExecDropStmt
static void ExecDropStmt(DropStmt *stmt, bool isTopLevel)
Definition utility.c:1996
CommandIsReadOnly
bool CommandIsReadOnly(PlannedStmt *pstmt)
Definition utility.c:95
CheckRestrictedOperation
static void CheckRestrictedOperation(const char *cmdname)
Definition utility.c:461
CreateCommandTag
CommandTag CreateCommandTag(Node *parsetree)
Definition utility.c:2369
AlterObjectTypeCommandTag
static CommandTag AlterObjectTypeCommandTag(ObjectType objtype)
Definition utility.c:2223
ProcessUtilityForAlterTable
void ProcessUtilityForAlterTable(Node *stmt, AlterTableUtilityContext *context)
Definition utility.c:1959
ProcessUtility_hook
ProcessUtility_hook_type ProcessUtility_hook
Definition utility.c:71
PreventCommandDuringRecovery
void PreventCommandDuringRecovery(const char *cmdname)
Definition utility.c:443
UtilityContainsQuery
Query * UtilityContainsQuery(Node *parsetree)
Definition utility.c:2186
UtilityTupleDescriptor
TupleDesc UtilityTupleDescriptor(Node *parsetree)
Definition utility.c:2088
GetCommandLogLevel
LogStmtLevel GetCommandLogLevel(Node *parsetree)
Definition utility.c:3260
ProcessUtilitySlow
static void ProcessUtilitySlow(ParseState *pstate, PlannedStmt *pstmt, const char *queryString, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition utility.c:1090
COMMAND_OK_IN_PARALLEL_MODE
#define COMMAND_OK_IN_PARALLEL_MODE
Definition utility.h:57
COMMAND_OK_IN_RECOVERY
#define COMMAND_OK_IN_RECOVERY
Definition utility.h:58
COMMAND_IS_STRICTLY_READ_ONLY
#define COMMAND_IS_STRICTLY_READ_ONLY
Definition utility.h:65
ProcessUtility_hook_type
void(* ProcessUtility_hook_type)(PlannedStmt *pstmt, const char *queryString, bool readOnlyTree, ProcessUtilityContext context, ParamListInfo params, QueryEnvironment *queryEnv, DestReceiver *dest, QueryCompletion *qc)
Definition utility.h:71
COMMAND_IS_NOT_READ_ONLY
#define COMMAND_IS_NOT_READ_ONLY
Definition utility.h:68
ProcessUtilityContext
ProcessUtilityContext
Definition utility.h:21
PROCESS_UTILITY_SUBCOMMAND
@ PROCESS_UTILITY_SUBCOMMAND
Definition utility.h:26
PROCESS_UTILITY_TOPLEVEL
@ PROCESS_UTILITY_TOPLEVEL
Definition utility.h:22
PROCESS_UTILITY_QUERY_NONATOMIC
@ PROCESS_UTILITY_QUERY_NONATOMIC
Definition utility.h:24
COMMAND_OK_IN_READ_ONLY_TXN
#define COMMAND_OK_IN_READ_ONLY_TXN
Definition utility.h:56
ExecVacuum
void ExecVacuum(ParseState *pstate, VacuumStmt *vacstmt, bool isTopLevel)
Definition vacuum.c:162
DefineView
ObjectAddress DefineView(ViewStmt *stmt, const char *queryString, int stmt_location, int stmt_len)
Definition view.c:355
ExecWaitStmt
void ExecWaitStmt(ParseState *pstate, WaitStmt *stmt, DestReceiver *dest)
Definition wait.c:33
WaitStmtResultDesc
TupleDesc WaitStmtResultDesc(WaitStmt *stmt)
Definition wait.c:333
WarnNoTransactionBlock
void WarnNoTransactionBlock(bool isTopLevel, const char *stmtType)
Definition xact.c:3732
UserAbortTransactionBlock
void UserAbortTransactionBlock(bool chain)
Definition xact.c:4226
PrepareTransactionBlock
bool PrepareTransactionBlock(const char *gid)
Definition xact.c:4014
RequireTransactionBlock
void RequireTransactionBlock(bool isTopLevel, const char *stmtType)
Definition xact.c:3738
DefineSavepoint
void DefineSavepoint(const char *name)
Definition xact.c:4395
XactReadOnly
bool XactReadOnly
Definition xact.c:83
CommandCounterIncrement
void CommandCounterIncrement(void)
Definition xact.c:1101
PreventInTransactionBlock
void PreventInTransactionBlock(bool isTopLevel, const char *stmtType)
Definition xact.c:3669
ReleaseSavepoint
void ReleaseSavepoint(const char *name)
Definition xact.c:4480
IsTransactionBlock
bool IsTransactionBlock(void)
Definition xact.c:4993
IsInParallelMode
bool IsInParallelMode(void)
Definition xact.c:1090
BeginTransactionBlock
void BeginTransactionBlock(void)
Definition xact.c:3946
RollbackToSavepoint
void RollbackToSavepoint(const char *name)
Definition xact.c:4589
EndTransactionBlock
bool EndTransactionBlock(bool chain)
Definition xact.c:4066
RecoveryInProgress
bool RecoveryInProgress(void)
Definition xlog.c:6460