CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: [EMAIL PROTECTED] 03/08/22 17:26:43
Modified files:
src/backend/executor: nodeIndexscan.c
src/include/nodes: execnodes.h
Log message:
Tweak processing of multiple-index-scan plans to reduce overhead when
handling many-way scans: instead of re-evaluating all prior indexscan
quals to see if a tuple has been fetched more than once, use a hash table
indexed by tuple CTID. But fall back to the old way if the hash table
grows to exceed SortMem.
---------------------------(end of broadcast)---------------------------
TIP 2: you can get off all lists at once with the unregister command
(send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
