Horton

Further optimize multi-key GIN searches.

Heikki Linnakangas <heikki.linnakangas@iki.fi>

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Commit: 25b1dafab63f465a65c63b26834dc18857f0fa0c
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: 2014-01-29T16:26:40Z
Releases: 9.4.0 
Further optimize multi-key GIN searches.

If we're skipping past a certain TID, avoid decoding posting list segments
that only contain smaller TIDs.

Extracted from Alexander Korotkov's fast scan patch, heavily modified.

Files

PathChange+/−
src/backend/access/gin/gindatapage.c modified +34 −4
src/backend/access/gin/ginget.c modified +4 −2
src/include/access/gin_private.h modified +1 −1