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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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2
contrib/btree_gist/expected/float8.out
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@ -77,7 +77,7 @@ SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3;
QUERY PLAN
-----------------------------------------------------
Limit
-> Index Scan using float8idx on float8tmp
-> Index Only Scan using float8idx on float8tmp
Order By: (a <-> (-1890)::double precision)
(3 rows)