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Add HINT if CREATE FUNCTION specifies a valid language, but the language 

isn't loaded into the database.
This commit is contained in:
Bruce Momjian 2003-09-10 19:59:23 +00:00
parent a72fce035d
commit d16b877612
1 changed files with 16 additions and 3 deletions
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19
src/backend/commands/functioncmds.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/functioncmds.c,v 1.33 2003/08/04 02:39:58 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/functioncmds.c,v 1.34 2003/09/10 19:59:23 momjian Exp $
*
* DESCRIPTION
* These routines take the parse tree and pick out the
@ -435,10 +435,23 @@ CreateFunction(CreateFunctionStmt *stmt)
PointerGetDatum(languageName),
0, 0, 0);
if (!HeapTupleIsValid(languageTuple))
/* Add any new languages to this list to invoke the hint. */
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("language \"%s\" does not exist", languageName)));
errmsg("language \"%s\" does not exist", languageName),
(strcmp(languageName, "plperl") == 0 ||
strcmp(languageName, "plperlu") == 0 ||
strcmp(languageName, "plphp") == 0 ||
strcmp(languageName, "plpgsql") == 0 ||
strcmp(languageName, "plpython") == 0 ||
strcmp(languageName, "plpythonu") == 0 ||
strcmp(languageName, "plr") == 0 ||
strcmp(languageName, "plruby") == 0 ||
strcmp(languageName, "plsh") == 0 ||
strcmp(languageName, "pltcl") == 0 ||
strcmp(languageName, "pltclu") == 0) ?
errhint("You need to use 'createlang' to load the language into the database.") : 0));
languageOid = HeapTupleGetOid(languageTuple);
languageStruct = (Form_pg_language) GETSTRUCT(languageTuple);