Line data Source code
1 : /*-------------------------------------------------------------------------
2 : *
3 : * pg_proc.c
4 : * routines to support manipulation of the pg_proc relation
5 : *
6 : * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
7 : * Portions Copyright (c) 1994, Regents of the University of California
8 : *
9 : *
10 : * IDENTIFICATION
11 : * src/backend/catalog/pg_proc.c
12 : *
13 : *-------------------------------------------------------------------------
14 : */
15 : #include "postgres.h"
16 :
17 : #include "access/htup_details.h"
18 : #include "access/table.h"
19 : #include "access/xact.h"
20 : #include "catalog/catalog.h"
21 : #include "catalog/dependency.h"
22 : #include "catalog/indexing.h"
23 : #include "catalog/objectaccess.h"
24 : #include "catalog/pg_language.h"
25 : #include "catalog/pg_namespace.h"
26 : #include "catalog/pg_proc.h"
27 : #include "catalog/pg_transform.h"
28 : #include "catalog/pg_type.h"
29 : #include "commands/defrem.h"
30 : #include "executor/functions.h"
31 : #include "funcapi.h"
32 : #include "mb/pg_wchar.h"
33 : #include "miscadmin.h"
34 : #include "nodes/nodeFuncs.h"
35 : #include "parser/parse_coerce.h"
36 : #include "pgstat.h"
37 : #include "rewrite/rewriteHandler.h"
38 : #include "tcop/pquery.h"
39 : #include "tcop/tcopprot.h"
40 : #include "utils/acl.h"
41 : #include "utils/builtins.h"
42 : #include "utils/lsyscache.h"
43 : #include "utils/regproc.h"
44 : #include "utils/rel.h"
45 : #include "utils/syscache.h"
46 :
47 :
48 : typedef struct
49 : {
50 : char *proname;
51 : char *prosrc;
52 : } parse_error_callback_arg;
53 :
54 : static void sql_function_parse_error_callback(void *arg);
55 : static int match_prosrc_to_query(const char *prosrc, const char *queryText,
56 : int cursorpos);
57 : static bool match_prosrc_to_literal(const char *prosrc, const char *literal,
58 : int cursorpos, int *newcursorpos);
59 :
60 :
61 : /* ----------------------------------------------------------------
62 : * ProcedureCreate
63 : *
64 : * Note: allParameterTypes, parameterModes, parameterNames, trftypes, and proconfig
65 : * are either arrays of the proper types or NULL. We declare them Datum,
66 : * not "ArrayType *", to avoid importing array.h into pg_proc.h.
67 : * ----------------------------------------------------------------
68 : */
69 : ObjectAddress
70 21652 : ProcedureCreate(const char *procedureName,
71 : Oid procNamespace,
72 : bool replace,
73 : bool returnsSet,
74 : Oid returnType,
75 : Oid proowner,
76 : Oid languageObjectId,
77 : Oid languageValidator,
78 : const char *prosrc,
79 : const char *probin,
80 : Node *prosqlbody,
81 : char prokind,
82 : bool security_definer,
83 : bool isLeakProof,
84 : bool isStrict,
85 : char volatility,
86 : char parallel,
87 : oidvector *parameterTypes,
88 : Datum allParameterTypes,
89 : Datum parameterModes,
90 : Datum parameterNames,
91 : List *parameterDefaults,
92 : Datum trftypes,
93 : Datum proconfig,
94 : Oid prosupport,
95 : float4 procost,
96 : float4 prorows)
97 : {
98 : Oid retval;
99 : int parameterCount;
100 : int allParamCount;
101 : Oid *allParams;
102 21652 : char *paramModes = NULL;
103 21652 : Oid variadicType = InvalidOid;
104 21652 : Acl *proacl = NULL;
105 : Relation rel;
106 : HeapTuple tup;
107 : HeapTuple oldtup;
108 : bool nulls[Natts_pg_proc];
109 : Datum values[Natts_pg_proc];
110 : bool replaces[Natts_pg_proc];
111 : NameData procname;
112 : TupleDesc tupDesc;
113 : bool is_update;
114 : ObjectAddress myself,
115 : referenced;
116 : char *detailmsg;
117 : int i;
118 : Oid trfid;
119 : ObjectAddresses *addrs;
120 :
121 : /*
122 : * sanity checks
123 : */
124 : Assert(PointerIsValid(prosrc));
125 :
126 21652 : parameterCount = parameterTypes->dim1;
127 21652 : if (parameterCount < 0 || parameterCount > FUNC_MAX_ARGS)
128 0 : ereport(ERROR,
129 : (errcode(ERRCODE_TOO_MANY_ARGUMENTS),
130 : errmsg_plural("functions cannot have more than %d argument",
131 : "functions cannot have more than %d arguments",
132 : FUNC_MAX_ARGS,
133 : FUNC_MAX_ARGS)));
134 : /* note: the above is correct, we do NOT count output arguments */
135 :
136 : /* Deconstruct array inputs */
137 21652 : if (allParameterTypes != PointerGetDatum(NULL))
138 : {
139 : /*
140 : * We expect the array to be a 1-D OID array; verify that. We don't
141 : * need to use deconstruct_array() since the array data is just going
142 : * to look like a C array of OID values.
143 : */
144 2338 : ArrayType *allParamArray = (ArrayType *) DatumGetPointer(allParameterTypes);
145 :
146 2338 : allParamCount = ARR_DIMS(allParamArray)[0];
147 2338 : if (ARR_NDIM(allParamArray) != 1 ||
148 2338 : allParamCount <= 0 ||
149 2338 : ARR_HASNULL(allParamArray) ||
150 2338 : ARR_ELEMTYPE(allParamArray) != OIDOID)
151 0 : elog(ERROR, "allParameterTypes is not a 1-D Oid array");
152 2338 : allParams = (Oid *) ARR_DATA_PTR(allParamArray);
153 : Assert(allParamCount >= parameterCount);
154 : /* we assume caller got the contents right */
155 : }
156 : else
157 : {
158 19314 : allParamCount = parameterCount;
159 19314 : allParams = parameterTypes->values;
160 : }
161 :
162 21652 : if (parameterModes != PointerGetDatum(NULL))
163 : {
164 : /*
165 : * We expect the array to be a 1-D CHAR array; verify that. We don't
166 : * need to use deconstruct_array() since the array data is just going
167 : * to look like a C array of char values.
168 : */
169 2338 : ArrayType *modesArray = (ArrayType *) DatumGetPointer(parameterModes);
170 :
171 2338 : if (ARR_NDIM(modesArray) != 1 ||
172 2338 : ARR_DIMS(modesArray)[0] != allParamCount ||
173 2338 : ARR_HASNULL(modesArray) ||
174 2338 : ARR_ELEMTYPE(modesArray) != CHAROID)
175 0 : elog(ERROR, "parameterModes is not a 1-D char array");
176 2338 : paramModes = (char *) ARR_DATA_PTR(modesArray);
177 : }
178 :
179 : /*
180 : * Do not allow polymorphic return type unless there is a polymorphic
181 : * input argument that we can use to deduce the actual return type.
182 : */
183 21652 : detailmsg = check_valid_polymorphic_signature(returnType,
184 21652 : parameterTypes->values,
185 : parameterCount);
186 21652 : if (detailmsg)
187 78 : ereport(ERROR,
188 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
189 : errmsg("cannot determine result data type"),
190 : errdetail_internal("%s", detailmsg)));
191 :
192 : /*
193 : * Also, do not allow return type INTERNAL unless at least one input
194 : * argument is INTERNAL.
195 : */
196 21574 : detailmsg = check_valid_internal_signature(returnType,
197 21574 : parameterTypes->values,
198 : parameterCount);
199 21574 : if (detailmsg)
200 0 : ereport(ERROR,
201 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
202 : errmsg("unsafe use of pseudo-type \"internal\""),
203 : errdetail_internal("%s", detailmsg)));
204 :
205 : /*
206 : * Apply the same tests to any OUT arguments.
207 : */
208 21574 : if (allParameterTypes != PointerGetDatum(NULL))
209 : {
210 16392 : for (i = 0; i < allParamCount; i++)
211 : {
212 14102 : if (paramModes == NULL ||
213 14102 : paramModes[i] == PROARGMODE_IN ||
214 10444 : paramModes[i] == PROARGMODE_VARIADIC)
215 4214 : continue; /* ignore input-only params */
216 :
217 9888 : detailmsg = check_valid_polymorphic_signature(allParams[i],
218 9888 : parameterTypes->values,
219 : parameterCount);
220 9888 : if (detailmsg)
221 48 : ereport(ERROR,
222 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
223 : errmsg("cannot determine result data type"),
224 : errdetail_internal("%s", detailmsg)));
225 9840 : detailmsg = check_valid_internal_signature(allParams[i],
226 9840 : parameterTypes->values,
227 : parameterCount);
228 9840 : if (detailmsg)
229 0 : ereport(ERROR,
230 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
231 : errmsg("unsafe use of pseudo-type \"internal\""),
232 : errdetail_internal("%s", detailmsg)));
233 : }
234 : }
235 :
236 : /* Identify variadic argument type, if any */
237 21526 : if (paramModes != NULL)
238 : {
239 : /*
240 : * Only the last input parameter can be variadic; if it is, save its
241 : * element type. Errors here are just elog since caller should have
242 : * checked this already.
243 : */
244 16284 : for (i = 0; i < allParamCount; i++)
245 : {
246 13994 : switch (paramModes[i])
247 : {
248 3754 : case PROARGMODE_IN:
249 : case PROARGMODE_INOUT:
250 3754 : if (OidIsValid(variadicType))
251 0 : elog(ERROR, "variadic parameter must be last");
252 3754 : break;
253 9302 : case PROARGMODE_OUT:
254 9302 : if (OidIsValid(variadicType) && prokind == PROKIND_PROCEDURE)
255 0 : elog(ERROR, "variadic parameter must be last");
256 9302 : break;
257 382 : case PROARGMODE_TABLE:
258 : /* okay */
259 382 : break;
260 556 : case PROARGMODE_VARIADIC:
261 556 : if (OidIsValid(variadicType))
262 0 : elog(ERROR, "variadic parameter must be last");
263 556 : switch (allParams[i])
264 : {
265 8 : case ANYOID:
266 8 : variadicType = ANYOID;
267 8 : break;
268 40 : case ANYARRAYOID:
269 40 : variadicType = ANYELEMENTOID;
270 40 : break;
271 22 : case ANYCOMPATIBLEARRAYOID:
272 22 : variadicType = ANYCOMPATIBLEOID;
273 22 : break;
274 486 : default:
275 486 : variadicType = get_element_type(allParams[i]);
276 486 : if (!OidIsValid(variadicType))
277 0 : elog(ERROR, "variadic parameter is not an array");
278 486 : break;
279 : }
280 556 : break;
281 0 : default:
282 0 : elog(ERROR, "invalid parameter mode '%c'", paramModes[i]);
283 : break;
284 : }
285 : }
286 : }
287 :
288 : /*
289 : * All seems OK; prepare the data to be inserted into pg_proc.
290 : */
291 :
292 667306 : for (i = 0; i < Natts_pg_proc; ++i)
293 : {
294 645780 : nulls[i] = false;
295 645780 : values[i] = (Datum) 0;
296 645780 : replaces[i] = true;
297 : }
298 :
299 21526 : namestrcpy(&procname, procedureName);
300 21526 : values[Anum_pg_proc_proname - 1] = NameGetDatum(&procname);
301 21526 : values[Anum_pg_proc_pronamespace - 1] = ObjectIdGetDatum(procNamespace);
302 21526 : values[Anum_pg_proc_proowner - 1] = ObjectIdGetDatum(proowner);
303 21526 : values[Anum_pg_proc_prolang - 1] = ObjectIdGetDatum(languageObjectId);
304 21526 : values[Anum_pg_proc_procost - 1] = Float4GetDatum(procost);
305 21526 : values[Anum_pg_proc_prorows - 1] = Float4GetDatum(prorows);
306 21526 : values[Anum_pg_proc_provariadic - 1] = ObjectIdGetDatum(variadicType);
307 21526 : values[Anum_pg_proc_prosupport - 1] = ObjectIdGetDatum(prosupport);
308 21526 : values[Anum_pg_proc_prokind - 1] = CharGetDatum(prokind);
309 21526 : values[Anum_pg_proc_prosecdef - 1] = BoolGetDatum(security_definer);
310 21526 : values[Anum_pg_proc_proleakproof - 1] = BoolGetDatum(isLeakProof);
311 21526 : values[Anum_pg_proc_proisstrict - 1] = BoolGetDatum(isStrict);
312 21526 : values[Anum_pg_proc_proretset - 1] = BoolGetDatum(returnsSet);
313 21526 : values[Anum_pg_proc_provolatile - 1] = CharGetDatum(volatility);
314 21526 : values[Anum_pg_proc_proparallel - 1] = CharGetDatum(parallel);
315 21526 : values[Anum_pg_proc_pronargs - 1] = UInt16GetDatum(parameterCount);
316 21526 : values[Anum_pg_proc_pronargdefaults - 1] = UInt16GetDatum(list_length(parameterDefaults));
317 21526 : values[Anum_pg_proc_prorettype - 1] = ObjectIdGetDatum(returnType);
318 21526 : values[Anum_pg_proc_proargtypes - 1] = PointerGetDatum(parameterTypes);
319 21526 : if (allParameterTypes != PointerGetDatum(NULL))
320 2290 : values[Anum_pg_proc_proallargtypes - 1] = allParameterTypes;
321 : else
322 19236 : nulls[Anum_pg_proc_proallargtypes - 1] = true;
323 21526 : if (parameterModes != PointerGetDatum(NULL))
324 2290 : values[Anum_pg_proc_proargmodes - 1] = parameterModes;
325 : else
326 19236 : nulls[Anum_pg_proc_proargmodes - 1] = true;
327 21526 : if (parameterNames != PointerGetDatum(NULL))
328 6342 : values[Anum_pg_proc_proargnames - 1] = parameterNames;
329 : else
330 15184 : nulls[Anum_pg_proc_proargnames - 1] = true;
331 21526 : if (parameterDefaults != NIL)
332 2866 : values[Anum_pg_proc_proargdefaults - 1] = CStringGetTextDatum(nodeToString(parameterDefaults));
333 : else
334 18660 : nulls[Anum_pg_proc_proargdefaults - 1] = true;
335 21526 : if (trftypes != PointerGetDatum(NULL))
336 118 : values[Anum_pg_proc_protrftypes - 1] = trftypes;
337 : else
338 21408 : nulls[Anum_pg_proc_protrftypes - 1] = true;
339 21526 : values[Anum_pg_proc_prosrc - 1] = CStringGetTextDatum(prosrc);
340 21526 : if (probin)
341 4540 : values[Anum_pg_proc_probin - 1] = CStringGetTextDatum(probin);
342 : else
343 16986 : nulls[Anum_pg_proc_probin - 1] = true;
344 21526 : if (prosqlbody)
345 4402 : values[Anum_pg_proc_prosqlbody - 1] = CStringGetTextDatum(nodeToString(prosqlbody));
346 : else
347 17124 : nulls[Anum_pg_proc_prosqlbody - 1] = true;
348 21526 : if (proconfig != PointerGetDatum(NULL))
349 62 : values[Anum_pg_proc_proconfig - 1] = proconfig;
350 : else
351 21464 : nulls[Anum_pg_proc_proconfig - 1] = true;
352 : /* proacl will be determined later */
353 :
354 21526 : rel = table_open(ProcedureRelationId, RowExclusiveLock);
355 21526 : tupDesc = RelationGetDescr(rel);
356 :
357 : /* Check for pre-existing definition */
358 21526 : oldtup = SearchSysCache3(PROCNAMEARGSNSP,
359 : PointerGetDatum(procedureName),
360 : PointerGetDatum(parameterTypes),
361 : ObjectIdGetDatum(procNamespace));
362 :
363 21526 : if (HeapTupleIsValid(oldtup))
364 : {
365 : /* There is one; okay to replace it? */
366 6916 : Form_pg_proc oldproc = (Form_pg_proc) GETSTRUCT(oldtup);
367 : Datum proargnames;
368 : bool isnull;
369 : const char *dropcmd;
370 :
371 6916 : if (!replace)
372 0 : ereport(ERROR,
373 : (errcode(ERRCODE_DUPLICATE_FUNCTION),
374 : errmsg("function \"%s\" already exists with same argument types",
375 : procedureName)));
376 6916 : if (!object_ownercheck(ProcedureRelationId, oldproc->oid, proowner))
377 0 : aclcheck_error(ACLCHECK_NOT_OWNER, OBJECT_FUNCTION,
378 : procedureName);
379 :
380 : /* Not okay to change routine kind */
381 6916 : if (oldproc->prokind != prokind)
382 18 : ereport(ERROR,
383 : (errcode(ERRCODE_WRONG_OBJECT_TYPE),
384 : errmsg("cannot change routine kind"),
385 : (oldproc->prokind == PROKIND_AGGREGATE ?
386 : errdetail("\"%s\" is an aggregate function.", procedureName) :
387 : oldproc->prokind == PROKIND_FUNCTION ?
388 : errdetail("\"%s\" is a function.", procedureName) :
389 : oldproc->prokind == PROKIND_PROCEDURE ?
390 : errdetail("\"%s\" is a procedure.", procedureName) :
391 : oldproc->prokind == PROKIND_WINDOW ?
392 : errdetail("\"%s\" is a window function.", procedureName) :
393 : 0)));
394 :
395 6898 : dropcmd = (prokind == PROKIND_PROCEDURE ? "DROP PROCEDURE" :
396 : prokind == PROKIND_AGGREGATE ? "DROP AGGREGATE" :
397 : "DROP FUNCTION");
398 :
399 : /*
400 : * Not okay to change the return type of the existing proc, since
401 : * existing rules, views, etc may depend on the return type.
402 : *
403 : * In case of a procedure, a changing return type means that whether
404 : * the procedure has output parameters was changed. Since there is no
405 : * user visible return type, we produce a more specific error message.
406 : */
407 6898 : if (returnType != oldproc->prorettype ||
408 6886 : returnsSet != oldproc->proretset)
409 12 : ereport(ERROR,
410 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
411 : prokind == PROKIND_PROCEDURE
412 : ? errmsg("cannot change whether a procedure has output parameters")
413 : : errmsg("cannot change return type of existing function"),
414 :
415 : /*
416 : * translator: first %s is DROP FUNCTION, DROP PROCEDURE, or DROP
417 : * AGGREGATE
418 : */
419 : errhint("Use %s %s first.",
420 : dropcmd,
421 : format_procedure(oldproc->oid))));
422 :
423 : /*
424 : * If it returns RECORD, check for possible change of record type
425 : * implied by OUT parameters
426 : */
427 6886 : if (returnType == RECORDOID)
428 : {
429 : TupleDesc olddesc;
430 : TupleDesc newdesc;
431 :
432 756 : olddesc = build_function_result_tupdesc_t(oldtup);
433 756 : newdesc = build_function_result_tupdesc_d(prokind,
434 : allParameterTypes,
435 : parameterModes,
436 : parameterNames);
437 756 : if (olddesc == NULL && newdesc == NULL)
438 : /* ok, both are runtime-defined RECORDs */ ;
439 732 : else if (olddesc == NULL || newdesc == NULL ||
440 732 : !equalRowTypes(olddesc, newdesc))
441 0 : ereport(ERROR,
442 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
443 : errmsg("cannot change return type of existing function"),
444 : errdetail("Row type defined by OUT parameters is different."),
445 : /* translator: first %s is DROP FUNCTION or DROP PROCEDURE */
446 : errhint("Use %s %s first.",
447 : dropcmd,
448 : format_procedure(oldproc->oid))));
449 : }
450 :
451 : /*
452 : * If there were any named input parameters, check to make sure the
453 : * names have not been changed, as this could break existing calls. We
454 : * allow adding names to formerly unnamed parameters, though.
455 : */
456 6886 : proargnames = SysCacheGetAttr(PROCNAMEARGSNSP, oldtup,
457 : Anum_pg_proc_proargnames,
458 : &isnull);
459 6886 : if (!isnull)
460 : {
461 : Datum proargmodes;
462 : char **old_arg_names;
463 : char **new_arg_names;
464 : int n_old_arg_names;
465 : int n_new_arg_names;
466 : int j;
467 :
468 1160 : proargmodes = SysCacheGetAttr(PROCNAMEARGSNSP, oldtup,
469 : Anum_pg_proc_proargmodes,
470 : &isnull);
471 1160 : if (isnull)
472 410 : proargmodes = PointerGetDatum(NULL); /* just to be sure */
473 :
474 1160 : n_old_arg_names = get_func_input_arg_names(proargnames,
475 : proargmodes,
476 : &old_arg_names);
477 1160 : n_new_arg_names = get_func_input_arg_names(parameterNames,
478 : parameterModes,
479 : &new_arg_names);
480 4448 : for (j = 0; j < n_old_arg_names; j++)
481 : {
482 3306 : if (old_arg_names[j] == NULL)
483 6 : continue;
484 3300 : if (j >= n_new_arg_names || new_arg_names[j] == NULL ||
485 3294 : strcmp(old_arg_names[j], new_arg_names[j]) != 0)
486 18 : ereport(ERROR,
487 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
488 : errmsg("cannot change name of input parameter \"%s\"",
489 : old_arg_names[j]),
490 : /* translator: first %s is DROP FUNCTION or DROP PROCEDURE */
491 : errhint("Use %s %s first.",
492 : dropcmd,
493 : format_procedure(oldproc->oid))));
494 : }
495 : }
496 :
497 : /*
498 : * If there are existing defaults, check compatibility: redefinition
499 : * must not remove any defaults nor change their types. (Removing a
500 : * default might cause a function to fail to satisfy an existing call.
501 : * Changing type would only be possible if the associated parameter is
502 : * polymorphic, and in such cases a change of default type might alter
503 : * the resolved output type of existing calls.)
504 : */
505 6868 : if (oldproc->pronargdefaults != 0)
506 : {
507 : Datum proargdefaults;
508 : List *oldDefaults;
509 : ListCell *oldlc;
510 : ListCell *newlc;
511 :
512 6 : if (list_length(parameterDefaults) < oldproc->pronargdefaults)
513 6 : ereport(ERROR,
514 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
515 : errmsg("cannot remove parameter defaults from existing function"),
516 : /* translator: first %s is DROP FUNCTION or DROP PROCEDURE */
517 : errhint("Use %s %s first.",
518 : dropcmd,
519 : format_procedure(oldproc->oid))));
520 :
521 0 : proargdefaults = SysCacheGetAttrNotNull(PROCNAMEARGSNSP, oldtup,
522 : Anum_pg_proc_proargdefaults);
523 0 : oldDefaults = castNode(List, stringToNode(TextDatumGetCString(proargdefaults)));
524 : Assert(list_length(oldDefaults) == oldproc->pronargdefaults);
525 :
526 : /* new list can have more defaults than old, advance over 'em */
527 0 : newlc = list_nth_cell(parameterDefaults,
528 0 : list_length(parameterDefaults) -
529 0 : oldproc->pronargdefaults);
530 :
531 0 : foreach(oldlc, oldDefaults)
532 : {
533 0 : Node *oldDef = (Node *) lfirst(oldlc);
534 0 : Node *newDef = (Node *) lfirst(newlc);
535 :
536 0 : if (exprType(oldDef) != exprType(newDef))
537 0 : ereport(ERROR,
538 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
539 : errmsg("cannot change data type of existing parameter default value"),
540 : /* translator: first %s is DROP FUNCTION or DROP PROCEDURE */
541 : errhint("Use %s %s first.",
542 : dropcmd,
543 : format_procedure(oldproc->oid))));
544 0 : newlc = lnext(parameterDefaults, newlc);
545 : }
546 : }
547 :
548 : /*
549 : * Do not change existing oid, ownership or permissions, either. Note
550 : * dependency-update code below has to agree with this decision.
551 : */
552 6862 : replaces[Anum_pg_proc_oid - 1] = false;
553 6862 : replaces[Anum_pg_proc_proowner - 1] = false;
554 6862 : replaces[Anum_pg_proc_proacl - 1] = false;
555 :
556 : /* Okay, do it... */
557 6862 : tup = heap_modify_tuple(oldtup, tupDesc, values, nulls, replaces);
558 6862 : CatalogTupleUpdate(rel, &tup->t_self, tup);
559 :
560 6862 : ReleaseSysCache(oldtup);
561 6862 : is_update = true;
562 : }
563 : else
564 : {
565 : /* Creating a new procedure */
566 : Oid newOid;
567 :
568 : /* First, get default permissions and set up proacl */
569 14610 : proacl = get_user_default_acl(OBJECT_FUNCTION, proowner,
570 : procNamespace);
571 14610 : if (proacl != NULL)
572 18 : values[Anum_pg_proc_proacl - 1] = PointerGetDatum(proacl);
573 : else
574 14592 : nulls[Anum_pg_proc_proacl - 1] = true;
575 :
576 14610 : newOid = GetNewOidWithIndex(rel, ProcedureOidIndexId,
577 : Anum_pg_proc_oid);
578 14610 : values[Anum_pg_proc_oid - 1] = ObjectIdGetDatum(newOid);
579 14610 : tup = heap_form_tuple(tupDesc, values, nulls);
580 14610 : CatalogTupleInsert(rel, tup);
581 14610 : is_update = false;
582 : }
583 :
584 :
585 21472 : retval = ((Form_pg_proc) GETSTRUCT(tup))->oid;
586 :
587 : /*
588 : * Create dependencies for the new function. If we are updating an
589 : * existing function, first delete any existing pg_depend entries.
590 : * (However, since we are not changing ownership or permissions, the
591 : * shared dependencies do *not* need to change, and we leave them alone.)
592 : */
593 21472 : if (is_update)
594 6862 : deleteDependencyRecordsFor(ProcedureRelationId, retval, true);
595 :
596 21472 : addrs = new_object_addresses();
597 :
598 21472 : ObjectAddressSet(myself, ProcedureRelationId, retval);
599 :
600 : /* dependency on namespace */
601 21472 : ObjectAddressSet(referenced, NamespaceRelationId, procNamespace);
602 21472 : add_exact_object_address(&referenced, addrs);
603 :
604 : /* dependency on implementation language */
605 21472 : ObjectAddressSet(referenced, LanguageRelationId, languageObjectId);
606 21472 : add_exact_object_address(&referenced, addrs);
607 :
608 : /* dependency on return type */
609 21472 : ObjectAddressSet(referenced, TypeRelationId, returnType);
610 21472 : add_exact_object_address(&referenced, addrs);
611 :
612 : /* dependency on transform used by return type, if any */
613 21472 : if ((trfid = get_transform_oid(returnType, languageObjectId, true)))
614 : {
615 332 : ObjectAddressSet(referenced, TransformRelationId, trfid);
616 332 : add_exact_object_address(&referenced, addrs);
617 : }
618 :
619 : /* dependency on parameter types */
620 66462 : for (i = 0; i < allParamCount; i++)
621 : {
622 44990 : ObjectAddressSet(referenced, TypeRelationId, allParams[i]);
623 44990 : add_exact_object_address(&referenced, addrs);
624 :
625 : /* dependency on transform used by parameter type, if any */
626 44990 : if ((trfid = get_transform_oid(allParams[i], languageObjectId, true)))
627 : {
628 764 : ObjectAddressSet(referenced, TransformRelationId, trfid);
629 764 : add_exact_object_address(&referenced, addrs);
630 : }
631 : }
632 :
633 : /* dependency on support function, if any */
634 21472 : if (OidIsValid(prosupport))
635 : {
636 88 : ObjectAddressSet(referenced, ProcedureRelationId, prosupport);
637 88 : add_exact_object_address(&referenced, addrs);
638 : }
639 :
640 21472 : record_object_address_dependencies(&myself, addrs, DEPENDENCY_NORMAL);
641 21472 : free_object_addresses(addrs);
642 :
643 : /* dependency on SQL routine body */
644 21472 : if (languageObjectId == SQLlanguageId && prosqlbody)
645 4402 : recordDependencyOnExpr(&myself, prosqlbody, NIL, DEPENDENCY_NORMAL);
646 :
647 : /* dependency on parameter default expressions */
648 21472 : if (parameterDefaults)
649 2854 : recordDependencyOnExpr(&myself, (Node *) parameterDefaults,
650 : NIL, DEPENDENCY_NORMAL);
651 :
652 : /* dependency on owner */
653 21472 : if (!is_update)
654 14610 : recordDependencyOnOwner(ProcedureRelationId, retval, proowner);
655 :
656 : /* dependency on any roles mentioned in ACL */
657 21472 : if (!is_update)
658 14610 : recordDependencyOnNewAcl(ProcedureRelationId, retval, 0,
659 : proowner, proacl);
660 :
661 : /* dependency on extension */
662 21472 : recordDependencyOnCurrentExtension(&myself, is_update);
663 :
664 21470 : heap_freetuple(tup);
665 :
666 : /* Post creation hook for new function */
667 21470 : InvokeObjectPostCreateHook(ProcedureRelationId, retval, 0);
668 :
669 21470 : table_close(rel, RowExclusiveLock);
670 :
671 : /* Verify function body */
672 21470 : if (OidIsValid(languageValidator))
673 : {
674 20762 : ArrayType *set_items = NULL;
675 20762 : int save_nestlevel = 0;
676 :
677 : /* Advance command counter so new tuple can be seen by validator */
678 20762 : CommandCounterIncrement();
679 :
680 : /*
681 : * Set per-function configuration parameters so that the validation is
682 : * done with the environment the function expects. However, if
683 : * check_function_bodies is off, we don't do this, because that would
684 : * create dump ordering hazards that pg_dump doesn't know how to deal
685 : * with. (For example, a SET clause might refer to a not-yet-created
686 : * text search configuration.) This means that the validator
687 : * shouldn't complain about anything that might depend on a GUC
688 : * parameter when check_function_bodies is off.
689 : */
690 20762 : if (check_function_bodies)
691 : {
692 15362 : set_items = (ArrayType *) DatumGetPointer(proconfig);
693 15362 : if (set_items) /* Need a new GUC nesting level */
694 : {
695 50 : save_nestlevel = NewGUCNestLevel();
696 50 : ProcessGUCArray(set_items,
697 50 : (superuser() ? PGC_SUSET : PGC_USERSET),
698 : PGC_S_SESSION,
699 : GUC_ACTION_SAVE);
700 : }
701 : }
702 :
703 20750 : OidFunctionCall1(languageValidator, ObjectIdGetDatum(retval));
704 :
705 20574 : if (set_items)
706 38 : AtEOXact_GUC(true, save_nestlevel);
707 : }
708 :
709 : /* ensure that stats are dropped if transaction aborts */
710 21282 : if (!is_update)
711 14422 : pgstat_create_function(retval);
712 :
713 21282 : return myself;
714 : }
715 :
716 :
717 :
718 : /*
719 : * Validator for internal functions
720 : *
721 : * Check that the given internal function name (the "prosrc" value) is
722 : * a known builtin function.
723 : */
724 : Datum
725 4056 : fmgr_internal_validator(PG_FUNCTION_ARGS)
726 : {
727 4056 : Oid funcoid = PG_GETARG_OID(0);
728 : HeapTuple tuple;
729 : Datum tmp;
730 : char *prosrc;
731 :
732 4056 : if (!CheckFunctionValidatorAccess(fcinfo->flinfo->fn_oid, funcoid))
733 0 : PG_RETURN_VOID();
734 :
735 : /*
736 : * We do not honor check_function_bodies since it's unlikely the function
737 : * name will be found later if it isn't there now.
738 : */
739 :
740 4056 : tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcoid));
741 4056 : if (!HeapTupleIsValid(tuple))
742 0 : elog(ERROR, "cache lookup failed for function %u", funcoid);
743 :
744 4056 : tmp = SysCacheGetAttrNotNull(PROCOID, tuple, Anum_pg_proc_prosrc);
745 4056 : prosrc = TextDatumGetCString(tmp);
746 :
747 4056 : if (fmgr_internal_function(prosrc) == InvalidOid)
748 6 : ereport(ERROR,
749 : (errcode(ERRCODE_UNDEFINED_FUNCTION),
750 : errmsg("there is no built-in function named \"%s\"",
751 : prosrc)));
752 :
753 4050 : ReleaseSysCache(tuple);
754 :
755 4050 : PG_RETURN_VOID();
756 : }
757 :
758 :
759 :
760 : /*
761 : * Validator for C language functions
762 : *
763 : * Make sure that the library file exists, is loadable, and contains
764 : * the specified link symbol. Also check for a valid function
765 : * information record.
766 : */
767 : Datum
768 4540 : fmgr_c_validator(PG_FUNCTION_ARGS)
769 : {
770 4540 : Oid funcoid = PG_GETARG_OID(0);
771 : void *libraryhandle;
772 : HeapTuple tuple;
773 : Datum tmp;
774 : char *prosrc;
775 : char *probin;
776 :
777 4540 : if (!CheckFunctionValidatorAccess(fcinfo->flinfo->fn_oid, funcoid))
778 0 : PG_RETURN_VOID();
779 :
780 : /*
781 : * It'd be most consistent to skip the check if !check_function_bodies,
782 : * but the purpose of that switch is to be helpful for pg_dump loading,
783 : * and for pg_dump loading it's much better if we *do* check.
784 : */
785 :
786 4540 : tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcoid));
787 4540 : if (!HeapTupleIsValid(tuple))
788 0 : elog(ERROR, "cache lookup failed for function %u", funcoid);
789 :
790 4540 : tmp = SysCacheGetAttrNotNull(PROCOID, tuple, Anum_pg_proc_prosrc);
791 4540 : prosrc = TextDatumGetCString(tmp);
792 :
793 4540 : tmp = SysCacheGetAttrNotNull(PROCOID, tuple, Anum_pg_proc_probin);
794 4540 : probin = TextDatumGetCString(tmp);
795 :
796 4540 : (void) load_external_function(probin, prosrc, true, &libraryhandle);
797 4528 : (void) fetch_finfo_record(libraryhandle, prosrc);
798 :
799 4528 : ReleaseSysCache(tuple);
800 :
801 4528 : PG_RETURN_VOID();
802 : }
803 :
804 :
805 : /*
806 : * Validator for SQL language functions
807 : *
808 : * Parse it here in order to be sure that it contains no syntax errors.
809 : */
810 : Datum
811 6932 : fmgr_sql_validator(PG_FUNCTION_ARGS)
812 : {
813 6932 : Oid funcoid = PG_GETARG_OID(0);
814 : HeapTuple tuple;
815 : Form_pg_proc proc;
816 : List *raw_parsetree_list;
817 : List *querytree_list;
818 : ListCell *lc;
819 : bool isnull;
820 : Datum tmp;
821 : char *prosrc;
822 : parse_error_callback_arg callback_arg;
823 : ErrorContextCallback sqlerrcontext;
824 : bool haspolyarg;
825 : int i;
826 :
827 6932 : if (!CheckFunctionValidatorAccess(fcinfo->flinfo->fn_oid, funcoid))
828 0 : PG_RETURN_VOID();
829 :
830 6932 : tuple = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcoid));
831 6932 : if (!HeapTupleIsValid(tuple))
832 0 : elog(ERROR, "cache lookup failed for function %u", funcoid);
833 6932 : proc = (Form_pg_proc) GETSTRUCT(tuple);
834 :
835 : /* Disallow pseudotype result */
836 : /* except for RECORD, VOID, or polymorphic */
837 6932 : if (get_typtype(proc->prorettype) == TYPTYPE_PSEUDO &&
838 1316 : proc->prorettype != RECORDOID &&
839 756 : proc->prorettype != VOIDOID &&
840 364 : !IsPolymorphicType(proc->prorettype))
841 6 : ereport(ERROR,
842 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
843 : errmsg("SQL functions cannot return type %s",
844 : format_type_be(proc->prorettype))));
845 :
846 : /* Disallow pseudotypes in arguments */
847 : /* except for polymorphic */
848 6926 : haspolyarg = false;
849 19006 : for (i = 0; i < proc->pronargs; i++)
850 : {
851 12080 : if (get_typtype(proc->proargtypes.values[i]) == TYPTYPE_PSEUDO)
852 : {
853 922 : if (IsPolymorphicType(proc->proargtypes.values[i]))
854 922 : haspolyarg = true;
855 : else
856 0 : ereport(ERROR,
857 : (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
858 : errmsg("SQL functions cannot have arguments of type %s",
859 : format_type_be(proc->proargtypes.values[i]))));
860 : }
861 : }
862 :
863 : /* Postpone body checks if !check_function_bodies */
864 6926 : if (check_function_bodies)
865 : {
866 6596 : tmp = SysCacheGetAttrNotNull(PROCOID, tuple, Anum_pg_proc_prosrc);
867 6596 : prosrc = TextDatumGetCString(tmp);
868 :
869 : /*
870 : * Setup error traceback support for ereport().
871 : */
872 6596 : callback_arg.proname = NameStr(proc->proname);
873 6596 : callback_arg.prosrc = prosrc;
874 :
875 6596 : sqlerrcontext.callback = sql_function_parse_error_callback;
876 6596 : sqlerrcontext.arg = (void *) &callback_arg;
877 6596 : sqlerrcontext.previous = error_context_stack;
878 6596 : error_context_stack = &sqlerrcontext;
879 :
880 : /* If we have prosqlbody, pay attention to that not prosrc */
881 6596 : tmp = SysCacheGetAttr(PROCOID, tuple, Anum_pg_proc_prosqlbody, &isnull);
882 6596 : if (!isnull)
883 : {
884 : Node *n;
885 : List *stored_query_list;
886 :
887 4394 : n = stringToNode(TextDatumGetCString(tmp));
888 4394 : if (IsA(n, List))
889 616 : stored_query_list = linitial(castNode(List, n));
890 : else
891 3778 : stored_query_list = list_make1(n);
892 :
893 4394 : querytree_list = NIL;
894 8788 : foreach(lc, stored_query_list)
895 : {
896 4394 : Query *parsetree = lfirst_node(Query, lc);
897 : List *querytree_sublist;
898 :
899 : /*
900 : * Typically, we'd have acquired locks already while parsing
901 : * the body of the CREATE FUNCTION command. However, a
902 : * validator function cannot assume that it's only called in
903 : * that context.
904 : */
905 4394 : AcquireRewriteLocks(parsetree, true, false);
906 4394 : querytree_sublist = pg_rewrite_query(parsetree);
907 4394 : querytree_list = lappend(querytree_list, querytree_sublist);
908 : }
909 : }
910 : else
911 : {
912 : /*
913 : * We can't do full prechecking of the function definition if
914 : * there are any polymorphic input types, because actual datatypes
915 : * of expression results will be unresolvable. The check will be
916 : * done at runtime instead.
917 : *
918 : * We can run the text through the raw parser though; this will at
919 : * least catch silly syntactic errors.
920 : */
921 2202 : raw_parsetree_list = pg_parse_query(prosrc);
922 2196 : querytree_list = NIL;
923 :
924 2196 : if (!haspolyarg)
925 : {
926 : /*
927 : * OK to do full precheck: analyze and rewrite the queries,
928 : * then verify the result type.
929 : */
930 : SQLFunctionParseInfoPtr pinfo;
931 :
932 : /* But first, set up parameter information */
933 1618 : pinfo = prepare_sql_fn_parse_info(tuple, NULL, InvalidOid);
934 :
935 3342 : foreach(lc, raw_parsetree_list)
936 : {
937 1736 : RawStmt *parsetree = lfirst_node(RawStmt, lc);
938 : List *querytree_sublist;
939 :
940 1736 : querytree_sublist = pg_analyze_and_rewrite_withcb(parsetree,
941 : prosrc,
942 : (ParserSetupHook) sql_fn_parser_setup,
943 : pinfo,
944 : NULL);
945 1724 : querytree_list = lappend(querytree_list,
946 : querytree_sublist);
947 : }
948 : }
949 : }
950 :
951 6578 : if (!haspolyarg)
952 : {
953 : Oid rettype;
954 : TupleDesc rettupdesc;
955 :
956 6000 : check_sql_fn_statements(querytree_list);
957 :
958 5994 : (void) get_func_result_type(funcoid, &rettype, &rettupdesc);
959 :
960 5994 : (void) check_sql_fn_retval(querytree_list,
961 : rettype, rettupdesc,
962 5994 : proc->prokind,
963 : false, NULL);
964 : }
965 :
966 6560 : error_context_stack = sqlerrcontext.previous;
967 : }
968 :
969 6890 : ReleaseSysCache(tuple);
970 :
971 6890 : PG_RETURN_VOID();
972 : }
973 :
974 : /*
975 : * Error context callback for handling errors in SQL function definitions
976 : */
977 : static void
978 36 : sql_function_parse_error_callback(void *arg)
979 : {
980 36 : parse_error_callback_arg *callback_arg = (parse_error_callback_arg *) arg;
981 :
982 : /* See if it's a syntax error; if so, transpose to CREATE FUNCTION */
983 36 : if (!function_parse_error_transpose(callback_arg->prosrc))
984 : {
985 : /* If it's not a syntax error, push info onto context stack */
986 18 : errcontext("SQL function \"%s\"", callback_arg->proname);
987 : }
988 36 : }
989 :
990 : /*
991 : * Adjust a syntax error occurring inside the function body of a CREATE
992 : * FUNCTION or DO command. This can be used by any function validator or
993 : * anonymous-block handler, not only for SQL-language functions.
994 : * It is assumed that the syntax error position is initially relative to the
995 : * function body string (as passed in). If possible, we adjust the position
996 : * to reference the original command text; if we can't manage that, we set
997 : * up an "internal query" syntax error instead.
998 : *
999 : * Returns true if a syntax error was processed, false if not.
1000 : */
1001 : bool
1002 266 : function_parse_error_transpose(const char *prosrc)
1003 : {
1004 : int origerrposition;
1005 : int newerrposition;
1006 :
1007 : /*
1008 : * Nothing to do unless we are dealing with a syntax error that has a
1009 : * cursor position.
1010 : *
1011 : * Some PLs may prefer to report the error position as an internal error
1012 : * to begin with, so check that too.
1013 : */
1014 266 : origerrposition = geterrposition();
1015 266 : if (origerrposition <= 0)
1016 : {
1017 236 : origerrposition = getinternalerrposition();
1018 236 : if (origerrposition <= 0)
1019 64 : return false;
1020 : }
1021 :
1022 : /* We can get the original query text from the active portal (hack...) */
1023 202 : if (ActivePortal && ActivePortal->status == PORTAL_ACTIVE)
1024 202 : {
1025 202 : const char *queryText = ActivePortal->sourceText;
1026 :
1027 : /* Try to locate the prosrc in the original text */
1028 202 : newerrposition = match_prosrc_to_query(prosrc, queryText,
1029 : origerrposition);
1030 : }
1031 : else
1032 : {
1033 : /*
1034 : * Quietly give up if no ActivePortal. This is an unusual situation
1035 : * but it can happen in, e.g., logical replication workers.
1036 : */
1037 0 : newerrposition = -1;
1038 : }
1039 :
1040 202 : if (newerrposition > 0)
1041 : {
1042 : /* Successful, so fix error position to reference original query */
1043 202 : errposition(newerrposition);
1044 : /* Get rid of any report of the error as an "internal query" */
1045 202 : internalerrposition(0);
1046 202 : internalerrquery(NULL);
1047 : }
1048 : else
1049 : {
1050 : /*
1051 : * If unsuccessful, convert the position to an internal position
1052 : * marker and give the function text as the internal query.
1053 : */
1054 0 : errposition(0);
1055 0 : internalerrposition(origerrposition);
1056 0 : internalerrquery(prosrc);
1057 : }
1058 :
1059 202 : return true;
1060 : }
1061 :
1062 : /*
1063 : * Try to locate the string literal containing the function body in the
1064 : * given text of the CREATE FUNCTION or DO command. If successful, return
1065 : * the character (not byte) index within the command corresponding to the
1066 : * given character index within the literal. If not successful, return 0.
1067 : */
1068 : static int
1069 202 : match_prosrc_to_query(const char *prosrc, const char *queryText,
1070 : int cursorpos)
1071 : {
1072 : /*
1073 : * Rather than fully parsing the original command, we just scan the
1074 : * command looking for $prosrc$ or 'prosrc'. This could be fooled (though
1075 : * not in any very probable scenarios), so fail if we find more than one
1076 : * match.
1077 : */
1078 202 : int prosrclen = strlen(prosrc);
1079 202 : int querylen = strlen(queryText);
1080 202 : int matchpos = 0;
1081 : int curpos;
1082 : int newcursorpos;
1083 :
1084 13966 : for (curpos = 0; curpos < querylen - prosrclen; curpos++)
1085 : {
1086 13764 : if (queryText[curpos] == '$' &&
1087 380 : strncmp(prosrc, &queryText[curpos + 1], prosrclen) == 0 &&
1088 190 : queryText[curpos + 1 + prosrclen] == '$')
1089 : {
1090 : /*
1091 : * Found a $foo$ match. Since there are no embedded quoting
1092 : * characters in a dollar-quoted literal, we don't have to do any
1093 : * fancy arithmetic; just offset by the starting position.
1094 : */
1095 190 : if (matchpos)
1096 0 : return 0; /* multiple matches, fail */
1097 190 : matchpos = pg_mbstrlen_with_len(queryText, curpos + 1)
1098 : + cursorpos;
1099 : }
1100 13586 : else if (queryText[curpos] == '\'' &&
1101 12 : match_prosrc_to_literal(prosrc, &queryText[curpos + 1],
1102 : cursorpos, &newcursorpos))
1103 : {
1104 : /*
1105 : * Found a 'foo' match. match_prosrc_to_literal() has adjusted
1106 : * for any quotes or backslashes embedded in the literal.
1107 : */
1108 12 : if (matchpos)
1109 0 : return 0; /* multiple matches, fail */
1110 12 : matchpos = pg_mbstrlen_with_len(queryText, curpos + 1)
1111 12 : + newcursorpos;
1112 : }
1113 : }
1114 :
1115 202 : return matchpos;
1116 : }
1117 :
1118 : /*
1119 : * Try to match the given source text to a single-quoted literal.
1120 : * If successful, adjust newcursorpos to correspond to the character
1121 : * (not byte) index corresponding to cursorpos in the source text.
1122 : *
1123 : * At entry, literal points just past a ' character. We must check for the
1124 : * trailing quote.
1125 : */
1126 : static bool
1127 12 : match_prosrc_to_literal(const char *prosrc, const char *literal,
1128 : int cursorpos, int *newcursorpos)
1129 : {
1130 12 : int newcp = cursorpos;
1131 : int chlen;
1132 :
1133 : /*
1134 : * This implementation handles backslashes and doubled quotes in the
1135 : * string literal. It does not handle the SQL syntax for literals
1136 : * continued across line boundaries.
1137 : *
1138 : * We do the comparison a character at a time, not a byte at a time, so
1139 : * that we can do the correct cursorpos math.
1140 : */
1141 144 : while (*prosrc)
1142 : {
1143 132 : cursorpos--; /* characters left before cursor */
1144 :
1145 : /*
1146 : * Check for backslashes and doubled quotes in the literal; adjust
1147 : * newcp when one is found before the cursor.
1148 : */
1149 132 : if (*literal == '\\')
1150 : {
1151 0 : literal++;
1152 0 : if (cursorpos > 0)
1153 0 : newcp++;
1154 : }
1155 132 : else if (*literal == '\'')
1156 : {
1157 0 : if (literal[1] != '\'')
1158 0 : goto fail;
1159 0 : literal++;
1160 0 : if (cursorpos > 0)
1161 0 : newcp++;
1162 : }
1163 132 : chlen = pg_mblen(prosrc);
1164 132 : if (strncmp(prosrc, literal, chlen) != 0)
1165 0 : goto fail;
1166 132 : prosrc += chlen;
1167 132 : literal += chlen;
1168 : }
1169 :
1170 12 : if (*literal == '\'' && literal[1] != '\'')
1171 : {
1172 : /* success */
1173 12 : *newcursorpos = newcp;
1174 12 : return true;
1175 : }
1176 :
1177 0 : fail:
1178 : /* Must set *newcursorpos to suppress compiler warning */
1179 0 : *newcursorpos = newcp;
1180 0 : return false;
1181 : }
1182 :
1183 : List *
1184 120 : oid_array_to_list(Datum datum)
1185 : {
1186 120 : ArrayType *array = DatumGetArrayTypeP(datum);
1187 : Datum *values;
1188 : int nelems;
1189 : int i;
1190 120 : List *result = NIL;
1191 :
1192 120 : deconstruct_array_builtin(array, OIDOID, &values, NULL, &nelems);
1193 244 : for (i = 0; i < nelems; i++)
1194 124 : result = lappend_oid(result, values[i]);
1195 120 : return result;
1196 : }
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