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Commit Graph

9 Commits

Author SHA1 Message Date
ffe0beca25 MDEV-30032: EXPLAIN FORMAT=JSON output: print costs
Basic printout for join and table execution costs.
2023-02-03 11:01:24 +03:00
68ed3a81f2 MDEV-20854: ANALYZE for statements: not clear where the time is spent
Count the "gap" time between table accesses and display it as
r_other_time_ms in the "table" element.

* The advantage of this approach is that it doesn't add any new
  my_timer_cycles() calls.
* The disadvantage is that the definition of what is done during
  "other time" is not that clear: it includes checking the WHERE
  (for this table), constructing index lookup tuple (for the next table)
  writing to GROUP BY temporary table (as we dont account for that time
  separately [yet], etc)
2019-11-12 14:40:00 +03:00
4081b7b27a Merge 10.4 into 10.5 2019-09-06 17:16:40 +03:00
244f0e6dd8 Merge branch '10.3' into 10.4 2019-09-06 11:53:10 +02:00
a071e0e029 Merge branch '10.2' into 10.3 2019-09-03 13:17:32 +03:00
95f35bb75d (1) fix type error
(2) remove empty "--error ER_PARSE_ERROR"
(3) change three members in class select_unit to protected.
2019-08-31 18:56:50 -07:00
a896bebfa6 MDEV-18844 Implement EXCEPT ALL and INTERSECT ALL operations 2019-08-24 21:44:41 +08:00
de745ecf29 MDEV-11953: support of brackets in UNION/EXCEPT/INTERSECT operations 2018-07-04 19:13:55 +02:00
a7abddeffa Create 'main' test directory and move 't' and 'r' there 2018-03-29 13:59:44 +03:00