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Heikki Linnakangas d92b1cdbab Revert "Add sortsupport for gist_btree opclasses, for faster index builds."
This reverts commit 9f984ba6d23dc6eecebf479ab1d3f2e550a4e9be.

It was making the buildfarm unhappy, apparently setting client_min_messages
in a regression test produces different output if log_statement='all'.
Another issue is that I now suspect the bit sortsupport function was in
fact not correct to call byteacmp(). Revert to investigate both of those
issues.
2021-04-07 14:33:21 +03:00

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SQL

-- int2 check
CREATE TABLE int2tmp (a int2);
\copy int2tmp from 'data/int2.data'
SET enable_seqscan=on;
SELECT count(*) FROM int2tmp WHERE a < 237;
SELECT count(*) FROM int2tmp WHERE a <= 237;
SELECT count(*) FROM int2tmp WHERE a = 237;
SELECT count(*) FROM int2tmp WHERE a >= 237;
SELECT count(*) FROM int2tmp WHERE a > 237;
SELECT a, a <-> '237' FROM int2tmp ORDER BY a <-> '237' LIMIT 3;
CREATE INDEX int2idx ON int2tmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM int2tmp WHERE a < 237::int2;
SELECT count(*) FROM int2tmp WHERE a <= 237::int2;
SELECT count(*) FROM int2tmp WHERE a = 237::int2;
SELECT count(*) FROM int2tmp WHERE a >= 237::int2;
SELECT count(*) FROM int2tmp WHERE a > 237::int2;
EXPLAIN (COSTS OFF)
SELECT a, a <-> '237' FROM int2tmp ORDER BY a <-> '237' LIMIT 3;
SELECT a, a <-> '237' FROM int2tmp ORDER BY a <-> '237' LIMIT 3;