pgsql: Revert buggy optimization of index scans

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Revert buggy optimization of index scans
Date: 2016-03-03 09:54:00
Message-ID: E1abPxI-0004Wx-Tm@gemulon.postgresql.org
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Revert buggy optimization of index scans

606c0123d627 attempted to reduce cost of index scans using > and <
strategies, though got that completely wrong in a few complex cases.

Revert whole patch until we find a safe optimization.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/c7111d11b188bd631a63c98e9aab8532176007c3

Modified Files
--------------
src/backend/access/nbtree/nbtsearch.c | 27 ---------------------------
src/backend/access/nbtree/nbtutils.c | 7 -------
src/include/access/nbtree.h | 1 -
3 files changed, 35 deletions(-)

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