diff options
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 37 |
1 files changed, 5 insertions, 32 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index e383ab892d1..9b5b4cd6f13 100644 --- a/src/backend/utils/cache/lsyscache.c +++ b/src/backend/utils/cache/lsyscache.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.76 2002/07/12 18:43:18 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.77 2002/08/02 18:15:08 tgl Exp $ * * NOTES * Eventually, the index information should go through here, too. @@ -115,16 +115,15 @@ get_attname(Oid relid, AttrNumber attnum) * * Given the relation id and the attribute name, * return the "attnum" field from the attribute relation. + * + * Returns InvalidAttrNumber if the attr doesn't exist (or is dropped). */ AttrNumber -get_attnum(Oid relid, char *attname) +get_attnum(Oid relid, const char *attname) { HeapTuple tp; - tp = SearchSysCache(ATTNAME, - ObjectIdGetDatum(relid), - PointerGetDatum(attname), - 0, 0); + tp = SearchSysCacheAttName(relid, attname); if (HeapTupleIsValid(tp)) { Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); @@ -166,32 +165,6 @@ get_atttype(Oid relid, AttrNumber attnum) return InvalidOid; } -/* This routine uses the attname instead of the attnum because it - * replaces the routine find_atttype, which is called sometimes when - * only the attname, not the attno, is available. - */ -bool -get_attisset(Oid relid, char *attname) -{ - HeapTuple tp; - - tp = SearchSysCache(ATTNAME, - ObjectIdGetDatum(relid), - PointerGetDatum(attname), - 0, 0); - if (HeapTupleIsValid(tp)) - { - Form_pg_attribute att_tup = (Form_pg_attribute) GETSTRUCT(tp); - bool result; - - result = att_tup->attisset; - ReleaseSysCache(tp); - return result; - } - else - return false; -} - /* * get_atttypmod * |