1 files changed, 1 insertions, 0 deletions
diff --git a/sql/ha_isam.h b/sql/ha_isam.h
index 33ca99b5063..e878f0fe697 100644
--- a/sql/ha_isam.h
+++ b/sql/ha_isam.h
@@ -38,6 +38,7 @@ class ha_isam: public handler
     {}
   ~ha_isam() {}
   const char *table_type() const { return "ISAM"; }
+  const char *index_type(uint key_number) { return "BTREE"; }
   const char **bas_ext() const;
   ulong option_flag() const { return int_option_flag; }
   uint max_record_length() const { return HA_MAX_REC_LENGTH; }