storage: don't normalize key for multiple column index

This is incompatible change. You need to recreate multiple column index defined by mroonga 2.02 or ealier. You can recreate index online by DROP INDEX and ADD INDEX.
mroonga · May 28, 2012 · db6f8f5 · db6f8f5
1 parent ae13b57
commit db6f8f5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/ha_mroonga.cpp b/ha_mroonga.cpp
@@ -2729,8 +2729,8 @@ int ha_mroonga::storage_create_index(TABLE *table, const char *grn_table_name,
     index_table_flags |= GRN_OBJ_TABLE_HASH_KEY;
   } else {
     index_table_flags |= GRN_OBJ_TABLE_PAT_KEY;
-    if (is_need_normalize(&key_info->key_part->field[0]))
-    {
+    if (!is_multiple_column_index &&
+        is_need_normalize(&key_info->key_part->field[0])) {
       index_table_flags |= GRN_OBJ_KEY_NORMALIZE;
     }
   }