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Adjust many backend functions to return OID rather than void.

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Extracted from a larger patch by Dimitri Fontaine.  It is hoped that
this will provide infrastructure for enriching the new event trigger
functionality, but it seems possibly useful for other purposes as
well.
This commit is contained in:
Robert Haas
2012-12-23 18:25:03 -05:00
parent 31bc839724
commit c504513f83
39 changed files with 385 additions and 276 deletions
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7
src/backend/commands/proclang.c
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@ -537,9 +537,10 @@ DropProceduralLanguageById(Oid langOid)
/*
* Rename language
*/
void
Oid
RenameLanguage(const char *oldname, const char *newname)
{
Oid lanId;
HeapTuple tup;
Relation rel;
@ -551,6 +552,8 @@ RenameLanguage(const char *oldname, const char *newname)
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("language \"%s\" does not exist", oldname)));
lanId = HeapTupleGetOid(tup);
/* make sure the new name doesn't exist */
if (SearchSysCacheExists1(LANGNAME, CStringGetDatum(newname)))
ereport(ERROR,
@ -569,6 +572,8 @@ RenameLanguage(const char *oldname, const char *newname)
heap_close(rel, NoLock);
heap_freetuple(tup);
return lanId;
}
/*