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| author | Vladislav Vaintroub <wlad@mariadb.com> | 2017-03-23 11:48:56 +0000 |
|---|---|---|
| committer | Vladislav Vaintroub <wlad@mariadb.com> | 2017-03-23 11:50:22 +0000 |
| commit | e5b67a46bcb75a751f5906f19694971bc803d67c (patch) | |
| tree | eedc485ef1f5dec061c315b6ffe54a76e496f003 /storage/innobase/handler/ha_innodb.h | |
| parent | 09a2107b1b2f5567b8a50afec9e54a33284c6233 (diff) | |
| download | mariadb-git-e5b67a46bcb75a751f5906f19694971bc803d67c.tar.gz | |
MDEV-12345 Performance : replace calls to clock() inside trx_start_low() by THD::start_utime
Diffstat (limited to 'storage/innobase/handler/ha_innodb.h')
| -rw-r--r-- | storage/innobase/handler/ha_innodb.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/storage/innobase/handler/ha_innodb.h b/storage/innobase/handler/ha_innodb.h index 478187e0b23..90dfb6102b3 100644 --- a/storage/innobase/handler/ha_innodb.h +++ b/storage/innobase/handler/ha_innodb.h @@ -421,6 +421,15 @@ int thd_slave_thread(const MYSQL_THD thd); int thd_non_transactional_update(const MYSQL_THD thd); /** + Get high resolution timestamp for the current query start time. + The timestamp is not anchored to any specific point in time, + but can be used for comparison. + + @retval timestamp in microseconds precision +*/ +unsigned long long thd_start_utime(const MYSQL_THD thd); + +/** Get the user thread's binary logging format @param thd user thread @return Value to be used as index into the binlog_format_names array |