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Functions live in namespaces. Qualified function names work, eg

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SELECT schema1.func2(...).  Aggregate names can be qualified at the
syntactic level, but the qualification is ignored for the moment.
This commit is contained in:
Tom Lane
2002-04-09 20:35:55 +00:00
parent c419c22414
commit f2d70d32eb
36 changed files with 655 additions and 661 deletions
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20
src/backend/commands/trigger.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/trigger.c,v 1.111 2002/04/01 22:36:10 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/trigger.c,v 1.112 2002/04/09 20:35:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -26,6 +26,7 @@
#include "commands/trigger.h"
#include "executor/executor.h"
#include "miscadmin.h"
#include "parser/parse_func.h"
#include "utils/acl.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
@ -163,18 +164,19 @@ CreateTrigger(CreateTrigStmt *stmt)
* Find and validate the trigger function.
*/
MemSet(fargtypes, 0, FUNC_MAX_ARGS * sizeof(Oid));
tuple = SearchSysCache(PROCNAME,
PointerGetDatum(stmt->funcname),
Int32GetDatum(0),
PointerGetDatum(fargtypes),
0);
funcoid = LookupFuncName(stmt->funcname, 0, fargtypes);
if (!OidIsValid(funcoid))
elog(ERROR, "CreateTrigger: function %s() does not exist",
NameListToString(stmt->funcname));
tuple = SearchSysCache(PROCOID,
ObjectIdGetDatum(funcoid),
0, 0, 0);
if (!HeapTupleIsValid(tuple))
elog(ERROR, "CreateTrigger: function %s() does not exist",
stmt->funcname);
NameListToString(stmt->funcname));
if (((Form_pg_proc) GETSTRUCT(tuple))->prorettype != 0)
elog(ERROR, "CreateTrigger: function %s() must return OPAQUE",
stmt->funcname);
funcoid = tuple->t_data->t_oid;
NameListToString(stmt->funcname));
funclang = ((Form_pg_proc) GETSTRUCT(tuple))->prolang;
ReleaseSysCache(tuple);