mirror of
https://github.com/MariaDB/server.git
synced 2025-10-05 07:19:14 +02:00
4369a382a1
mtr_t::trx: New public const data member. If it is nullptr, per-connection statistics will not be updated. The transaction is not necessarily in active state. We may merely use it as an "anchor" for buffering updates of buf_pool.stat.n_page_gets in trx_t::pages_accessed. As part of this, we try to create mtr_t less often, reusing one object in multiple places. Some read operations will invoke mtr_t::rollback_to_savepoint() to release their own page latches within a larger mini-transactions. Reviewed by: Vladislav Lesin Tested by: Saahil Alam |
||
|---|---|---|
| .. | ||
| lock0iter.cc | ||
| lock0lock.cc | ||
| lock0prdt.cc | ||