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| author | Sergey Vojtovich <svoj@mariadb.org> | 2019-03-18 19:18:54 +0400 |
|---|---|---|
| committer | Sergey Vojtovich <svoj@mariadb.org> | 2019-05-03 16:40:58 +0400 |
| commit | a7adc2ce1680f00635b8241202066fd5542d286f (patch) | |
| tree | 78888bd51d3a47ce3393a4b3aa6728832a7167cc /sql/sys_vars.cc | |
| parent | 47bd06d55ec211bc4d05d616a0833629504c7edf (diff) | |
| download | mariadb-git-a7adc2ce1680f00635b8241202066fd5542d286f.tar.gz | |
Allocate Transaction_state_tracker statically
One less new/delete per connection.
Part of MDEV-14984 - regression in connect performance
Diffstat (limited to 'sql/sys_vars.cc')
| -rw-r--r-- | sql/sys_vars.cc | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/sql/sys_vars.cc b/sql/sys_vars.cc index bea46578148..004fd4baecb 100644 --- a/sql/sys_vars.cc +++ b/sql/sys_vars.cc @@ -3743,14 +3743,12 @@ bool Sys_var_tx_read_only::session_update(THD *thd, set_var *var) #ifndef EMBEDDED_LIBRARY if (thd->variables.session_track_transaction_info > TX_TRACK_NONE) { - Transaction_state_tracker *tst= (Transaction_state_tracker *) - thd->session_tracker.get_tracker(TRANSACTION_INFO_TRACKER); - if (var->type == OPT_DEFAULT) - tst->set_read_flags(thd, + thd->session_tracker.transaction_info.set_read_flags(thd, thd->tx_read_only ? TX_READ_ONLY : TX_READ_WRITE); else - tst->set_read_flags(thd, TX_READ_INHERIT); + thd->session_tracker.transaction_info.set_read_flags(thd, + TX_READ_INHERIT); } #endif //EMBEDDED_LIBRARY } @@ -6145,8 +6143,7 @@ static bool update_session_track_tx_info(sys_var *self, THD *thd, enum_var_type type) { DBUG_ENTER("update_session_track_tx_info"); - DBUG_RETURN(thd->session_tracker.get_tracker(TRANSACTION_INFO_TRACKER)-> - update(thd, NULL)); + DBUG_RETURN(thd->session_tracker.transaction_info.update(thd, NULL)); } static const char *session_track_transaction_info_names[]= |