mirror of
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38 lines
990 B
Plaintext
38 lines
990 B
Plaintext
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-- random() is not optimized out
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EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY random();
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-- random() is not optimized out
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EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY random();
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-- other constant functions are optimized out
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EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY abs(5);
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-- other constant functions are optimized out
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EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY abs(5);
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CREATE TABLE t12(x INTEGER PRIMARY KEY, y INT, z CHAR(100));
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CREATE INDEX t12y ON t12(y);
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EXPLAIN QUERY PLAN
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SELECT a.x, b.x
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FROM t12 AS a JOIN t12 AS b ON a.y=b.x
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WHERE (b.x=$abc OR b.y=$abc);
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CREATE TABLE t13(a,b);
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CREATE INDEX t13a ON t13(a);
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INSERT INTO t13 VALUES(4,5);
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SELECT * FROM t13 WHERE (1=2 AND a=3) OR a=4;
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CREATE TABLE t14a(x INTEGER PRIMARY KEY);
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INSERT INTO t14a(x) VALUES(1),(2),(3),(4);
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CREATE TABLE t14b(y INTEGER PRIMARY KEY);
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INSERT INTO t14b(y) VALUES(1);
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SELECT x FROM t14a WHERE x NOT IN (SELECT x FROM t14b);
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