diff options
Diffstat (limited to 'sql/sql_class.cc')
| -rw-r--r-- | sql/sql_class.cc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 90c550d6a30..a9eec4fcf29 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -2370,7 +2370,11 @@ CHANGED_TABLE_LIST* THD::changed_table_dup(const char *key, long key_length) int THD::send_explain_fields(select_result *result, uint8 explain_flags, bool is_analyze) { List<Item> field_list; - make_explain_field_list(field_list, explain_flags, is_analyze); + if (lex->explain_json) + make_explain_json_field_list(field_list); + else + make_explain_field_list(field_list, explain_flags, is_analyze); + result->prepare(field_list, NULL); return (result->send_result_set_metadata(field_list, Protocol::SEND_NUM_ROWS | @@ -2378,6 +2382,13 @@ int THD::send_explain_fields(select_result *result, uint8 explain_flags, bool is } +void THD::make_explain_json_field_list(List<Item> &field_list) +{ + Item *item= new Item_empty_string("EXPLAIN", 78, system_charset_info); + field_list.push_back(item); +} + + /* Populate the provided field_list with EXPLAIN output columns. this->lex->describe has the EXPLAIN flags |