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3 Commits

Author SHA1 Message Date
Sergei Petrunia
4938b82263 MDEV-7836: ANALYZE FORMAT=JSON should provide info about GROUP/ORDER BY 
Provide basic info about sorting/grouping done by the queries.
 2015-04-12 04:48:42 +03:00
Sergei Petrunia
2af935c8ec 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.
 2015-04-07 01:29:17 +03:00
Sergei Petrunia
77e16ce7d6 MDEV-7648: Extra data in ANALYZE FORMAT=JSON $stmt 
Switch from relying on PERFORMANCE_SCHEMA to using our
own hooks for counting the time spent reading rows from
tables.
 2015-03-24 16:17:41 +03:00