database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-14 18:42:34 +03:00
Code Activity

Add index-only scan support to btree_gist.

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

5
contrib/btree_gist/sql/bit.sql
View File

@ -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';

6
contrib/btree_gist/sql/bytea.sql
View File

File diff suppressed because one or more lines are too long

6
contrib/btree_gist/sql/char.sql
View File

@ -29,3 +29,9 @@ SELECT count(*) FROM chartmp WHERE a = '31b0'::char(32);
SELECT count(*) FROM chartmp WHERE a >= '31b0'::char(32);
SELECT count(*) FROM chartmp WHERE a > '31b0'::char(32);
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT * FROM chartmp WHERE a BETWEEN '31a' AND '31c';
SELECT * FROM chartmp WHERE a BETWEEN '31a' AND '31c';

6
contrib/btree_gist/sql/macaddr.sql
View File

@ -29,3 +29,9 @@ SELECT count(*) FROM macaddrtmp WHERE a = '22:00:5c:e5:9b:0d'::macaddr;
SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d'::macaddr;
SELECT count(*) FROM macaddrtmp WHERE a > '22:00:5c:e5:9b:0d'::macaddr;
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT * FROM macaddrtmp WHERE a < '02:03:04:05:06:07'::macaddr;
SELECT * FROM macaddrtmp WHERE a < '02:03:04:05:06:07'::macaddr;

6
contrib/btree_gist/sql/numeric.sql
View File

@ -75,3 +75,9 @@ SELECT count(*) FROM numerictmp WHERE a = 0 ;
SELECT count(*) FROM numerictmp WHERE a >= 0 ;
SELECT count(*) FROM numerictmp WHERE a > 0 ;
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT * FROM numerictmp WHERE a BETWEEN 1 AND 300 ORDER BY a;
SELECT * FROM numerictmp WHERE a BETWEEN 1 AND 300 ORDER BY a;

6
contrib/btree_gist/sql/text.sql
View File

File diff suppressed because one or more lines are too long

5
contrib/btree_gist/sql/varbit.sql
View File

@ -29,3 +29,8 @@ SELECT count(*) FROM varbittmp WHERE a = '1110100111010'::varbit;
SELECT count(*) FROM varbittmp WHERE a >= '1110100111010'::varbit;
SELECT count(*) FROM varbittmp WHERE a > '1110100111010'::varbit;
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT a FROM bittmp WHERE a BETWEEN '1000000' and '1000001';