diff options
Diffstat (limited to 'src/backend/commands/indexcmds.c')
| -rw-r--r-- | src/backend/commands/indexcmds.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c index 07654e455ab..0a19168179f 100644 --- a/src/backend/commands/indexcmds.c +++ b/src/backend/commands/indexcmds.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/indexcmds.c,v 1.134 2005/10/15 02:49:15 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/commands/indexcmds.c,v 1.135 2005/11/07 17:36:45 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -226,10 +226,27 @@ DefineIndex(RangeVar *heapRelation, PointerGetDatum(accessMethodName), 0, 0, 0); if (!HeapTupleIsValid(tuple)) - ereport(ERROR, - (errcode(ERRCODE_UNDEFINED_OBJECT), - errmsg("access method \"%s\" does not exist", - accessMethodName))); + { + /* + * Hack to provide more-or-less-transparent updating of old RTREE + * indexes to GIST: if RTREE is requested and not found, use GIST. + */ + if (strcmp(accessMethodName, "rtree") == 0) + { + ereport(NOTICE, + (errmsg("substituting access method \"gist\" for obsolete method \"rtree\""))); + accessMethodName = "gist"; + tuple = SearchSysCache(AMNAME, + PointerGetDatum(accessMethodName), + 0, 0, 0); + } + + if (!HeapTupleIsValid(tuple)) + ereport(ERROR, + (errcode(ERRCODE_UNDEFINED_OBJECT), + errmsg("access method \"%s\" does not exist", + accessMethodName))); + } accessMethodId = HeapTupleGetOid(tuple); accessMethodForm = (Form_pg_am) GETSTRUCT(tuple); |