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inet, cidr, and timetz indexes still cannot support index-only scans, because they don't store the original unmodified value in the index, but a derived approximate value.
84 lines
2.0 KiB
SQL
84 lines
2.0 KiB
SQL
-- numeric check
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CREATE TABLE numerictmp (a numeric);
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\copy numerictmp from 'data/int8.data'
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\copy numerictmp from 'data/numeric.data'
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\copy numerictmp from 'data/float8.data'
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SET enable_seqscan=on;
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SELECT count(*) FROM numerictmp WHERE a < -1890.0;
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SELECT count(*) FROM numerictmp WHERE a <= -1890.0;
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SELECT count(*) FROM numerictmp WHERE a = -1890.0;
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SELECT count(*) FROM numerictmp WHERE a >= -1890.0;
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SELECT count(*) FROM numerictmp WHERE a > -1890.0;
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SELECT count(*) FROM numerictmp WHERE a < 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a <= 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a = 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a >= 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a > 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a < 0 ;
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SELECT count(*) FROM numerictmp WHERE a <= 0 ;
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SELECT count(*) FROM numerictmp WHERE a = 0 ;
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SELECT count(*) FROM numerictmp WHERE a >= 0 ;
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SELECT count(*) FROM numerictmp WHERE a > 0 ;
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CREATE INDEX numericidx ON numerictmp USING gist ( a );
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SET enable_seqscan=off;
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SELECT count(*) FROM numerictmp WHERE a < -1890.0;
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SELECT count(*) FROM numerictmp WHERE a <= -1890.0;
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SELECT count(*) FROM numerictmp WHERE a = -1890.0;
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SELECT count(*) FROM numerictmp WHERE a >= -1890.0;
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SELECT count(*) FROM numerictmp WHERE a > -1890.0;
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SELECT count(*) FROM numerictmp WHERE a < 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a <= 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a = 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a >= 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a > 'NaN' ;
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SELECT count(*) FROM numerictmp WHERE a < 0 ;
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SELECT count(*) FROM numerictmp WHERE a <= 0 ;
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SELECT count(*) FROM numerictmp WHERE a = 0 ;
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SELECT count(*) FROM numerictmp WHERE a >= 0 ;
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SELECT count(*) FROM numerictmp WHERE a > 0 ;
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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 numerictmp WHERE a BETWEEN 1 AND 300 ORDER BY a;
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SELECT * FROM numerictmp WHERE a BETWEEN 1 AND 300 ORDER BY a;
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