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Add a bunch of pseudo-types to replace the behavior formerly associated

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with OPAQUE, as per recent pghackers discussion.  I still want to do some
more work on the 'cstring' pseudo-type, but I'm going to commit the bulk
of the changes now before the tree starts shifting under me ...
This commit is contained in:
Tom Lane
2002-08-22 00:01:51 +00:00
parent 606c9b9d4f
commit b663f3443b
126 changed files with 2005 additions and 1205 deletions
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14
src/backend/commands/proclang.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/proclang.c,v 1.40 2002/08/13 17:22:08 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/proclang.c,v 1.41 2002/08/22 00:01:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -71,17 +71,18 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
elog(ERROR, "Language %s already exists", languageName);
/*
* Lookup the PL handler function and check that it is of return type
* Opaque
* Lookup the PL handler function and check that it is of the expected
* return type
*/
MemSet(typev, 0, sizeof(typev));
procOid = LookupFuncName(stmt->plhandler, 0, typev);
if (!OidIsValid(procOid))
elog(ERROR, "function %s() doesn't exist",
NameListToString(stmt->plhandler));
if (get_func_rettype(procOid) != InvalidOid)
elog(ERROR, "function %s() does not return type \"opaque\"",
NameListToString(stmt->plhandler));
if (get_func_rettype(procOid) != LANGUAGE_HANDLEROID)
elog(ERROR, "function %s() does not return type %s",
NameListToString(stmt->plhandler),
format_type_be(LANGUAGE_HANDLEROID));
/* validate the validator function */
if (stmt->plvalidator)
@ -91,6 +92,7 @@ CreateProceduralLanguage(CreatePLangStmt *stmt)
if (!OidIsValid(valProcOid))
elog(ERROR, "function %s(oid) doesn't exist",
NameListToString(stmt->plvalidator));
/* return value is ignored, so we don't check the type */
}
else
valProcOid = InvalidOid;