50 lines
1.3 KiB
MySQL
50 lines
1.3 KiB
MySQL
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-- inet check
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CREATE TABLE inettmp (a inet);
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\copy inettmp from 'data/inet.data'
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SET enable_seqscan=on;
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SELECT count(*) FROM inettmp WHERE a < '89.225.196.191';
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SELECT count(*) FROM inettmp WHERE a <= '89.225.196.191';
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SELECT count(*) FROM inettmp WHERE a = '89.225.196.191';
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SELECT count(*) FROM inettmp WHERE a >= '89.225.196.191';
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SELECT count(*) FROM inettmp WHERE a > '89.225.196.191';
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CREATE INDEX inetidx ON inettmp USING gist ( a );
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SET enable_seqscan=off;
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SELECT count(*) FROM inettmp WHERE a < '89.225.196.191'::inet;
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SELECT count(*) FROM inettmp WHERE a <= '89.225.196.191'::inet;
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SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
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SELECT count(*) FROM inettmp WHERE a >= '89.225.196.191'::inet;
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SELECT count(*) FROM inettmp WHERE a > '89.225.196.191'::inet;
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VACUUM ANALYZE inettmp;
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-- gist_inet_ops lacks a fetch function, so this should not be index-only scan
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
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SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
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DROP INDEX inetidx;
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CREATE INDEX ON inettmp USING gist (a gist_inet_ops, a inet_ops);
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-- this can be an index-only scan, as long as the planner uses the right column
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
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SELECT count(*) FROM inettmp WHERE a = '89.225.196.191'::inet;
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