mirror of
https://github.com/postgres/postgres.git
synced 2025-07-28 23:42:10 +03:00
Add index-only scan support to btree_gist.
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:
@ -74,10 +74,10 @@ SELECT count(*) FROM float4tmp WHERE a > -179.0::float4;
|
||||
|
||||
EXPLAIN (COSTS OFF)
|
||||
SELECT a, a <-> '-179.0' FROM float4tmp ORDER BY a <-> '-179.0' LIMIT 3;
|
||||
QUERY PLAN
|
||||
-----------------------------------------------
|
||||
QUERY PLAN
|
||||
----------------------------------------------------
|
||||
Limit
|
||||
-> Index Scan using float4idx on float4tmp
|
||||
-> Index Only Scan using float4idx on float4tmp
|
||||
Order By: (a <-> (-179)::real)
|
||||
(3 rows)
|
||||
|
||||
|
Reference in New Issue
Block a user