1 files changed, 1 insertions, 0 deletions
diff --git a/sql/ha_heap.h b/sql/ha_heap.h
index 60e2e84c5d2..33de0156074 100644
--- a/sql/ha_heap.h
+++ b/sql/ha_heap.h
@@ -53,6 +53,7 @@ public:
   }
   const key_map *keys_to_use_for_scanning() { return &btree_keys; }
   uint max_supported_keys()          const { return MAX_KEY; }
+  uint max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
   double scan_time() { return (double) (records+deleted) / 20.0+10; }
   double read_time(uint index, uint ranges, ha_rows rows)
   { return (double) rows /  20.0+1; }