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39 lines
927 B
39 lines
927 B
8 years ago
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-- enum check
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create type rainbow as enum ('r','o','y','g','b','i','v');
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CREATE TABLE enumtmp (a rainbow);
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\copy enumtmp from 'data/enum.data'
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SET enable_seqscan=on;
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select a, count(*) from enumtmp group by a order by 1;
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SELECT count(*) FROM enumtmp WHERE a < 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a <= 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a = 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a >= 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a > 'g'::rainbow;
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CREATE INDEX enumidx ON enumtmp USING gist ( a );
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SET enable_seqscan=off;
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SELECT count(*) FROM enumtmp WHERE a < 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a <= 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a = 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a >= 'g'::rainbow;
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SELECT count(*) FROM enumtmp WHERE a > 'g'::rainbow;
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EXPLAIN (COSTS OFF)
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SELECT count(*) FROM enumtmp WHERE a >= 'g'::rainbow;
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