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| author | Sergei Petrunia <psergey@askmonty.org> | 2015-04-07 01:29:17 +0300 |
|---|---|---|
| committer | Sergei Petrunia <psergey@askmonty.org> | 2015-04-07 01:29:17 +0300 |
| commit | 2af935c8ec238f57d4ed909a8876031bd36dbb4d (patch) | |
| tree | 5e802608372b90a9e7c28941aab8a7507d607458 /sql/sql_select.h | |
| parent | 2936fb127d551a1abd6f30bdfd50a8a9bcf4e41b (diff) | |
| download | mariadb-git-2af935c8ec238f57d4ed909a8876031bd36dbb4d.tar.gz | |
MDEV-7899: 10.1 is 3% slower than 10.0 in OLTP RO
- Remove ANALYZE's timing code off the the execution path of regular
SELECTs.
- Improve the tracker that tracks counts/execution times of SELECTs or
DML statements:
= regular execution just increments counters
= ANALYZE will also collect timings.
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index f70f30eba83..c1db919ae2c 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -1282,7 +1282,7 @@ public: bool optimized; ///< flag to avoid double optimization in EXPLAIN bool initialized; ///< flag to avoid double init_execution calls - Exec_time_tracker *tracker; + Time_and_counter_tracker *tracker; enum { QEP_NOT_PRESENT_YET, QEP_AVAILABLE, QEP_DELETED} have_query_plan; |