diff options
Diffstat (limited to 'src/backend/catalog/catalog.c')
| -rw-r--r-- | src/backend/catalog/catalog.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/backend/catalog/catalog.c b/src/backend/catalog/catalog.c index 78b566532ef..2a6ddf11ff3 100644 --- a/src/backend/catalog/catalog.c +++ b/src/backend/catalog/catalog.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/catalog/catalog.c,v 1.43 2001/08/10 18:57:33 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/catalog/catalog.c,v 1.44 2001/11/16 23:30:35 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -77,6 +77,10 @@ GetDatabasePath(Oid tblNode) * IsSystemRelationName * True iff name is the name of a system catalog relation. * + * NB: TOAST relations are considered system relations by this test. + * This is appropriate in many places but not all. Where it's not, + * also check IsToastRelationName. + * * We now make a new requirement where system catalog relns must begin * with pg_ while user relns are forbidden to do so. Make the test * trivial and instantaneous. @@ -86,12 +90,20 @@ GetDatabasePath(Oid tblNode) bool IsSystemRelationName(const char *relname) { - if (relname[0] && relname[1] && relname[2]) - return (relname[0] == 'p' && - relname[1] == 'g' && - relname[2] == '_'); - else - return FALSE; + /* ugly coding for speed */ + return (relname[0] == 'p' && + relname[1] == 'g' && + relname[2] == '_'); +} + +/* + * IsToastRelationName + * True iff name is the name of a TOAST support relation (or index). + */ +bool +IsToastRelationName(const char *relname) +{ + return strncmp(relname, "pg_toast_", 9) == 0; } /* |