diff options
| -rw-r--r-- | src/backend/utils/cache/relcache.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c index d0138fc7e84..a59950e45a0 100644 --- a/src/backend/utils/cache/relcache.c +++ b/src/backend/utils/cache/relcache.c @@ -3351,15 +3351,30 @@ RelationGetIndexList(Relation relation) while (HeapTupleIsValid(htup = systable_getnext(indscan))) { Form_pg_index index = (Form_pg_index) GETSTRUCT(htup); + Datum indclassDatum; + oidvector *indclass; + bool isnull; /* Add index's OID to result list in the proper order */ result = insert_ordered_oid(result, index->indexrelid); + /* + * indclass cannot be referenced directly through the C struct, because + * it comes after the variable-width indkey field. Must extract the + * datum the hard way... + */ + indclassDatum = heap_getattr(htup, + Anum_pg_index_indclass, + GetPgIndexDescriptor(), + &isnull); + Assert(!isnull); + indclass = (oidvector *) DatumGetPointer(indclassDatum); + /* Check to see if it is a unique, non-partial btree index on OID */ if (index->indnatts == 1 && index->indisunique && index->indimmediate && index->indkey.values[0] == ObjectIdAttributeNumber && - index->indclass.values[0] == OID_BTREE_OPS_OID && + indclass->values[0] == OID_BTREE_OPS_OID && heap_attisnull(htup, Anum_pg_index_indpred)) oidIndex = index->indexrelid; } |