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25 lines
548 B
Plaintext
25 lines
548 B
Plaintext
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SELECT * FROM t1 WHERE b=2 AND a IS NULL;
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SELECT * FROM t1 WHERE b=2 AND a IS NOT NULL;
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PRAGMA reverse_unordered_selects=on;
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,2);
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CREATE INDEX t1b ON t1(b);
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SELECT a FROM t1 WHERE b=-99 OR b>1;
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CREATE TABLE t1(a, b);
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CREATE INDEX t1aa ON t1(a,a);
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INSERT INTO t1 VALUES(1,2);
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ANALYZE;
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UPDATE sqlite_stat1 SET stat='27 3 3' WHERE idx='t1aa';
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ANALYZE sqlite_schema;
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PRAGMA reverse_unordered_selects (1) ;
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SELECT a FROM t1 WHERE a=1 OR a=2;
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