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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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contrib/btree_gist/expected/timestamptz.out
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@ -197,7 +197,7 @@ SELECT a, a <-> '2018-12-18 10:59:54 GMT+2' FROM timestamptztmp ORDER BY a <-> '
QUERY PLAN
------------------------------------------------------------------------------------
Limit
-> Index Scan using timestamptzidx on timestamptztmp
-> Index Only Scan using timestamptzidx on timestamptztmp
Order By: (a <-> 'Tue Dec 18 04:59:54 2018 PST'::timestamp with time zone)
(3 rows)