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| author | Sergei Petrunia <psergey@askmonty.org> | 2014-11-27 19:32:48 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2014-11-27 19:32:48 +0300 |
| commit | 37c444e1a079b25d0a34efbbc2fadfae17999966 (patch) | |
| tree | 9f6a6cb52ad06d5fd7caf23bd401414421432caa /sql/sql_explain.h | |
| parent | 3d5f97fd708e12201636179baee2c8bc0093c109 (diff) | |
| download | mariadb-git-37c444e1a079b25d0a34efbbc2fadfae17999966.tar.gz | |
EXPLAIN FORMAT=JSON: further development
Writing JSON:
- Fix a bug in Single_line_formatting_helper
- Add Json_writer_nesting_guard - safety class
EXPLAIN JSON support
- Add basic subquery support
- Add tests for UNION/UNION ALL.
Diffstat (limited to 'sql/sql_explain.h')
| -rw-r--r-- | sql/sql_explain.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/sql_explain.h b/sql/sql_explain.h index 9c0c8ec0c11..39392d370d9 100644 --- a/sql/sql_explain.h +++ b/sql/sql_explain.h @@ -112,6 +112,8 @@ public: int print_explain_for_children(Explain_query *query, select_result_sink *output, uint8 explain_flags, bool is_analyze); + void print_explain_json_for_children(Explain_query *query, + Json_writer *writer, bool is_analyze); virtual ~Explain_node(){} }; |