Horton

Cache fmgr lookup data for index's getnext() function in IndexScanDesc,

Tom Lane <tgl@sss.pgh.pa.us>

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Commit: 34235a295b307d3c50b2a74b20936f01b4ba76be
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2000-03-14T23:52:01Z
Releases: 7.1.1 
Cache fmgr lookup data for index's getnext() function in IndexScanDesc,
so that the fmgr lookup only has to happen once per index scan and not
once per tuple.  Seems to save 5% or so of CPU time for an indexscan.

Files

PathChange+/−
src/backend/access/index/genam.c modified +4 −1
src/backend/access/index/indexam.c modified +15 −4
src/include/access/relscan.h modified +2 −1