Bug #83287 | created_tmp_tables statistic is wrong | ||
---|---|---|---|
Submitted: | 6 Oct 2016 12:54 | Modified: | 16 Nov 2016 19:02 |
Reporter: | Guilhem Bichot | Email Updates: | |
Status: | Closed | Impact on me: | |
Category: | MySQL Server: Optimizer | Severity: | S3 (Non-critical) |
Version: | 5.7 | OS: | Any |
Assigned to: | CPU Architecture: | Any |
[6 Oct 2016 12:54]
Guilhem Bichot
[7 Oct 2016 12:41]
Guilhem Bichot
Posted by developer: http://dev.mysql.com/doc/refman/5.7/en/server-status-variables.html#statvar_Created_tmp_ta... " Each invocation of the SHOW STATUS statement uses an internal temporary table and increments the global Created_tmp_tables value. " is wrong, at least in 8.0 (older versions should be tested).
[16 Nov 2016 19:02]
Paul DuBois
Posted by developer: Noted in 8.0.1 changelog. The Created_tmp_tables status variable was incremented in some cases when no temporary table was created.