Remove AtSubStart_Notify. Allocate notify-related state lazily instead. This makes trivial subtransactions noticeably faster. Patch by me, reviewed and tested by Dilip Kumar, Kyotaro Horiguchi, and Jeevan Ladhe. Discussion: https://postgr.es/m/CA+TgmobE1J22S1eC-6N-je9LgrcwZypkwp+zH6JXo9mc=4Nk3A@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/967e276e9f6b485c8577371713a323bf277b6902 Modified Files -------------- src/backend/access/transam/xact.c | 1 - src/backend/commands/async.c | 297 +++++++++++++++++++++----------------- src/include/commands/async.h | 1 - 3 files changed, 164 insertions(+), 135 deletions(-)
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