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9f984ba6d2
Commit 16fa9b2b30 introduced a faster way to build GiST indexes, by sorting all the data. This commit adds the sortsupport functions needed to make use of that feature for btree_gist. Author: Andrey Borodin Discussion: https://www.postgresql.org/message-id/2F3F7265-0D22-44DB-AD71-8554C743D943@yandex-team.ru
42 lines
1.2 KiB
SQL
42 lines
1.2 KiB
SQL
-- macaddr check
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CREATE TABLE macaddrtmp (a macaddr);
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\copy macaddrtmp from 'data/macaddr.data'
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SET enable_seqscan=on;
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SELECT count(*) FROM macaddrtmp WHERE a < '22:00:5c:e5:9b:0d';
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SELECT count(*) FROM macaddrtmp WHERE a <= '22:00:5c:e5:9b:0d';
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SELECT count(*) FROM macaddrtmp WHERE a = '22:00:5c:e5:9b:0d';
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SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d';
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SELECT count(*) FROM macaddrtmp WHERE a > '22:00:5c:e5:9b:0d';
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SET client_min_messages = DEBUG1;
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CREATE INDEX macaddridx ON macaddrtmp USING gist ( a );
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CREATE INDEX macaddridx_b ON macaddrtmp USING gist ( a ) WITH (buffering=on);
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DROP INDEX macaddridx_b;
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RESET client_min_messages;
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SET enable_seqscan=off;
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SELECT count(*) FROM macaddrtmp WHERE a < '22:00:5c:e5:9b:0d'::macaddr;
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SELECT count(*) FROM macaddrtmp WHERE a <= '22:00:5c:e5:9b:0d'::macaddr;
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SELECT count(*) FROM macaddrtmp WHERE a = '22:00:5c:e5:9b:0d'::macaddr;
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SELECT count(*) FROM macaddrtmp WHERE a >= '22:00:5c:e5:9b:0d'::macaddr;
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SELECT count(*) FROM macaddrtmp WHERE a > '22:00:5c:e5:9b:0d'::macaddr;
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-- Test index-only scans
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SET enable_bitmapscan=off;
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EXPLAIN (COSTS OFF)
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SELECT * FROM macaddrtmp WHERE a < '02:03:04:05:06:07'::macaddr;
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SELECT * FROM macaddrtmp WHERE a < '02:03:04:05:06:07'::macaddr;
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