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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-03-26 19:17:02 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-03-26 19:17:02 +0000 |
| commit | 1dbf8aa7a8159875bb46f6ee6ab0116eee76869b (patch) | |
| tree | 9aa08b4247dc230b6d35aa9c34b488b36b716693 /src/backend/utils/cache/lsyscache.c | |
| parent | da631e931f9da4bc5df4bfd39f0c42684adfb8e5 (diff) | |
| download | postgresql-1dbf8aa7a8159875bb46f6ee6ab0116eee76869b.tar.gz | |
pg_class has a relnamespace column. You can create and access tables
in schemas other than the system namespace; however, there's no search
path yet, and not all operations work yet on tables outside the system
namespace.
Diffstat (limited to 'src/backend/utils/cache/lsyscache.c')
| -rw-r--r-- | src/backend/utils/cache/lsyscache.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c index 1157780111..82be75ac79 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 1.65 2002/03/22 02:56:35 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.66 2002/03/26 19:16:09 tgl Exp $ * * NOTES * Eventually, the index information should go through here, too. @@ -634,6 +634,21 @@ func_iscachable(Oid funcid) /* ---------- RELATION CACHE ---------- */ +/* + * get_relname_relid + * Given name and namespace of a relation, look up the OID. + * + * Returns InvalidOid if there is no such relation. + */ +Oid +get_relname_relid(const char *relname, Oid relnamespace) +{ + return GetSysCacheOid(RELNAMENSP, + PointerGetDatum(relname), + ObjectIdGetDatum(relnamespace), + 0, 0); +} + #ifdef NOT_USED /* * get_relnatts @@ -664,10 +679,12 @@ get_relnatts(Oid relid) /* * get_rel_name - * * Returns the name of a given relation. * - * Note: returns a palloc'd copy of the string, or NULL if no such relation. + * Returns a palloc'd copy of the string, or NULL if no such relation. + * + * NOTE: since relation name is not unique, be wary of code that uses this + * for anything except preparing error messages. */ char * get_rel_name(Oid relid) |