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-rw-r--r--src/backend/access/index/indexam.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/backend/access/index/indexam.c b/src/backend/access/index/indexam.c
index 00c1d693766..2b27e732f13 100644
--- a/src/backend/access/index/indexam.c
+++ b/src/backend/access/index/indexam.c
@@ -722,11 +722,14 @@ index_vacuum_cleanup(IndexVacuumInfo *info,
}
/* ----------------
- * index_can_return - does index support index-only scans?
+ * index_can_return
+ *
+ * Does the index access method support index-only scans for the given
+ * column?
* ----------------
*/
bool
-index_can_return(Relation indexRelation)
+index_can_return(Relation indexRelation, int attno)
{
FmgrInfo *procedure;
@@ -738,8 +741,9 @@ index_can_return(Relation indexRelation)
GET_REL_PROCEDURE(amcanreturn);
- return DatumGetBool(FunctionCall1(procedure,
- PointerGetDatum(indexRelation)));
+ return DatumGetBool(FunctionCall2(procedure,
+ PointerGetDatum(indexRelation),
+ Int32GetDatum(attno)));
}
/* ----------------