1 files changed, 25 insertions, 0 deletions
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c
index e39c1d45cd1..5cf32e01785 100644
--- a/src/backend/utils/cache/lsyscache.c
+++ b/src/backend/utils/cache/lsyscache.c
@@ -3088,3 +3088,28 @@ get_range_collation(Oid rangeOid)
 	else
 		return InvalidOid;
 }
+
+/*				---------- PG_INDEX CACHE ----------				 */
+
+/*
+ * get_index_isreplident
+ *
+ *		Given the index OID, return pg_index.indisreplident.
+ */
+bool
+get_index_isreplident(Oid index_oid)
+{
+	HeapTuple		tuple;
+	Form_pg_index	rd_index;
+	bool			result;
+
+	tuple = SearchSysCache1(INDEXRELID, ObjectIdGetDatum(index_oid));
+	if (!HeapTupleIsValid(tuple))
+		return false;
+
+	rd_index = (Form_pg_index) GETSTRUCT(tuple);
+	result = rd_index->indisreplident;
+	ReleaseSysCache(tuple);
+
+	return result;
+}