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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/lock.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/lock.cc')
| -rw-r--r-- | sql/lock.cc | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/sql/lock.cc b/sql/lock.cc index 5420e9f42b5..aeba6cc7504 100644 --- a/sql/lock.cc +++ b/sql/lock.cc @@ -252,16 +252,11 @@ static void track_table_access(THD *thd, TABLE **tables, size_t count) { 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); - while (count--) { - TABLE *t= tables[count]; - - if (t) - tst->add_trx_state(thd, t->reginfo.lock_type, - t->file->has_transaction_manager()); + if (TABLE *t= tables[count]) + thd->session_tracker.transaction_info.add_trx_state(thd, + t->reginfo.lock_type, t->file->has_transaction_manager()); } } } |