diff options
Diffstat (limited to 'sql/sql_class.cc')
| -rw-r--r-- | sql/sql_class.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc index b84bcf1df72..c090f2336c1 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -357,6 +357,28 @@ CHANGED_TABLE_LIST* THD::changed_table_dup(TABLE *table) return new_table; } +int THD::send_explain_fields(select_result *result) +{ + List<Item> field_list; + Item *item; + field_list.push_back(new Item_int("id",0,3)); + field_list.push_back(new Item_empty_string("select_type",19)); + field_list.push_back(new Item_empty_string("table",NAME_LEN)); + field_list.push_back(new Item_empty_string("type",10)); + field_list.push_back(item=new Item_empty_string("possible_keys", + NAME_LEN*MAX_KEY)); + item->maybe_null=1; + field_list.push_back(item=new Item_empty_string("key",NAME_LEN)); + item->maybe_null=1; + field_list.push_back(item=new Item_int("key_len",0,3)); + item->maybe_null=1; + field_list.push_back(item=new Item_empty_string("ref", + NAME_LEN*MAX_REF_PARTS)); + item->maybe_null=1; + field_list.push_back(new Item_real("rows",0.0,0,10)); + field_list.push_back(new Item_empty_string("Extra",255)); + return (result->send_fields(field_list,1)); +} /***************************************************************************** ** Functions to provide a interface to select results |