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-rw-r--r--sql/sql_tablespace.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_tablespace.cc b/sql/sql_tablespace.cc
index 954d65ea44e..e7f6b04045e 100644
--- a/sql/sql_tablespace.cc
+++ b/sql/sql_tablespace.cc
@@ -28,7 +28,8 @@ int mysql_alter_tablespace(THD *thd, st_alter_tablespace *ts_info)
If the user haven't defined an engine, this will fallback to using the
default storage engine.
*/
- hton= ha_resolve_by_legacy_type(thd, ts_info->storage_engine);
+ hton= ha_resolve_by_legacy_type(thd, ts_info->storage_engine != DB_TYPE_UNKNOWN ?
+ ts_info->storage_engine : DB_TYPE_DEFAULT);
if (hton->state == SHOW_OPTION_YES &&
hton->alter_tablespace && (error= hton->alter_tablespace(thd, ts_info)))