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
840 B
SQL
35 lines
840 B
SQL
-- oid check
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SET enable_seqscan=on;
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CREATE TEMPORARY TABLE oidtmp (oid oid);
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INSERT INTO oidtmp SELECT g.i::oid FROM generate_series(1, 1000) g(i);
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SELECT count(*) FROM oidtmp WHERE oid < 17;
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SELECT count(*) FROM oidtmp WHERE oid <= 17;
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SELECT count(*) FROM oidtmp WHERE oid = 17;
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SELECT count(*) FROM oidtmp WHERE oid >= 17;
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SELECT count(*) FROM oidtmp WHERE oid > 17;
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SET client_min_messages = DEBUG1;
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CREATE INDEX oididx ON oidtmp USING gist ( oid );
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CREATE INDEX oididx_b ON oidtmp USING gist ( oid ) WITH (buffering=on);
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DROP INDEX oididx_b;
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RESET client_min_messages;
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SET enable_seqscan=off;
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SELECT count(*) FROM oidtmp WHERE oid < 17;
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SELECT count(*) FROM oidtmp WHERE oid <= 17;
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SELECT count(*) FROM oidtmp WHERE oid = 17;
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SELECT count(*) FROM oidtmp WHERE oid >= 17;
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SELECT count(*) FROM oidtmp WHERE oid > 17;
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