]> granicus.if.org Git - postgresql/commit
Advance multiple array keys rightmost-first instead of leftmost-first
authorTom Lane <tgl@sss.pgh.pa.us>
Tue, 18 Mar 2008 03:54:52 +0000 (03:54 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Tue, 18 Mar 2008 03:54:52 +0000 (03:54 +0000)
commit8e850b9159b1519dcc20982c39cfc3ff16d3d31b
tree406e8db8c63a4aea6448478923047cc07279cc67
parenta2f1827dfd21a670272d7c7ffe2d4902cfff990e
Advance multiple array keys rightmost-first instead of leftmost-first
during a bitmap index scan.  This cannot affect the query results
(since we're just dumping the TIDs into a bitmap) but it might offer
some advantage in locality of access to the index.  Per Greg Stark.
src/backend/executor/nodeIndexscan.c