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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
35 lines
941 B
SQL
35 lines
941 B
SQL
-- cidr check
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CREATE TABLE cidrtmp AS
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SELECT cidr(a) AS a FROM inettmp ;
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SET enable_seqscan=on;
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SELECT count(*) FROM cidrtmp WHERE a < '121.111.63.82';
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SELECT count(*) FROM cidrtmp WHERE a <= '121.111.63.82';
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SELECT count(*) FROM cidrtmp WHERE a = '121.111.63.82';
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SELECT count(*) FROM cidrtmp WHERE a >= '121.111.63.82';
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SELECT count(*) FROM cidrtmp WHERE a > '121.111.63.82';
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SET client_min_messages = DEBUG1;
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CREATE INDEX cidridx ON cidrtmp USING gist ( a );
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CREATE INDEX cidridx_b ON cidrtmp USING gist ( a ) WITH (buffering=on);
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DROP INDEX cidridx_b;
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RESET client_min_messages;
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SET enable_seqscan=off;
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SELECT count(*) FROM cidrtmp WHERE a < '121.111.63.82'::cidr;
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SELECT count(*) FROM cidrtmp WHERE a <= '121.111.63.82'::cidr;
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SELECT count(*) FROM cidrtmp WHERE a = '121.111.63.82'::cidr;
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SELECT count(*) FROM cidrtmp WHERE a >= '121.111.63.82'::cidr;
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SELECT count(*) FROM cidrtmp WHERE a > '121.111.63.82'::cidr;
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