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Add index-only scan support to btree_gist.

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inet, cidr, and timetz indexes still cannot support index-only scans,
because they don't store the original unmodified value in the index, but a
derived approximate value.
This commit is contained in:
Heikki Linnakangas
2015-03-27 23:35:16 +02:00
parent 735cd6128a
commit e09b48316c
46 changed files with 614 additions and 51 deletions
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5
contrib/btree_gist/sql/bit.sql
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@ -29,3 +29,8 @@ SELECT count(*) FROM bittmp WHERE a = '011011000100010111011000110000100';
SELECT count(*) FROM bittmp WHERE a >= '011011000100010111011000110000100';
SELECT count(*) FROM bittmp WHERE a > '011011000100010111011000110000100';
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT a FROM bittmp WHERE a BETWEEN '1000000' and '1000001';