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Diffstat (limited to 'src/backend/utils/adt/misc.c')
| -rw-r--r-- | src/backend/utils/adt/misc.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/backend/utils/adt/misc.c b/src/backend/utils/adt/misc.c index 1ec7f32470a..7dcecb2f0f6 100644 --- a/src/backend/utils/adt/misc.c +++ b/src/backend/utils/adt/misc.c @@ -982,3 +982,23 @@ pg_current_logfile_1arg(PG_FUNCTION_ARGS) { return pg_current_logfile(fcinfo); } + +/* + * SQL wrapper around RelationGetReplicaIndex(). + */ +Datum +pg_get_replica_identity_index(PG_FUNCTION_ARGS) +{ + Oid reloid = PG_GETARG_OID(0); + Oid idxoid; + Relation rel; + + rel = heap_open(reloid, AccessShareLock); + idxoid = RelationGetReplicaIndex(rel); + heap_close(rel, AccessShareLock); + + if (OidIsValid(idxoid)) + PG_RETURN_OID(idxoid); + else + PG_RETURN_NULL(); +} |