[SHOW] EXPLAIN UPDATE/DELETE, code re-structuring

- Support "using index for group-by (scanning) " queries
13 years ago · 79392b9383
1 changed files with 6 additions and 0 deletions
--- a/sql/opt_qpf.cc
+++ b/sql/opt_qpf.cc
@ -497,6 +497,12 @@ void QPF_table_access::append_tag_name(String *str, enum Extra_tag tag)
        str->append(extra_tag_text[tag]);
      break;
    }
+    case ET_USING_INDEX_FOR_GROUP_BY:
+    {
+      str->append(extra_tag_text[tag]);
+      str->append(loose_scan_type);
+      break;
+    }
    default:
     str->append(extra_tag_text[tag]);
  }