| From: | Tomas Vondra <tomas(dot)vondra(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: BitmapHeapScan: postpone setting can_skip_fetch |
| Date: | 2024-04-06 21:57:14 |
| Message-ID: | E1rtE2D-000rXj-QL@gemulon.postgresql.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers |
BitmapHeapScan: postpone setting can_skip_fetch
Set BitmapHeapScanState->can_skip_fetch in BitmapHeapNext() instead of
in ExecInitBitmapHeapScan(). This is a preliminary step to pushing the
skip fetch optimization into heap AM code.
Author: Melanie Plageman
Reviewed-by: Tomas Vondra, Andres Freund, Heikki Linnakangas
Discussion: https://postgr.es/m/CAAKRu_ZwCwWFeL_H3ia26bP2e7HiKLWt0ZmGXPVwPO6uXq0vaA%40mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/fe1431e39cdde5f65cb52f068bc86a7490f8a4e3
Modified Files
--------------
src/backend/executor/nodeBitmapHeapscan.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alexander Korotkov | 2024-04-06 22:19:06 | pgsql: Implement ALTER TABLE ... MERGE PARTITIONS ... command |
| Previous Message | Alexander Korotkov | 2024-04-06 21:50:10 | pgsql: Clarify what is protected by WaitLSNLock |