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51 lines
1.4 KiB
SQL
51 lines
1.4 KiB
SQL
SET enable_analyzer = 1;
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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CREATE TABLE t1 (a UInt64, b UInt64) ENGINE = Memory;
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INSERT INTO t1 VALUES (1, 2), (3, 4), (5, 6);
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CREATE TABLE t2 (a UInt64, b UInt64) ENGINE = Memory;
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INSERT INTO t2 VALUES (3, 4), (5, 6), (7, 8);
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CREATE TABLE t3 (a UInt64, b UInt64) ENGINE = Memory;
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INSERT INTO t3 VALUES (5, 6), (7, 8), (9, 10);
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SET cross_to_inner_join_rewrite = 1;
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SELECT * FROM t1, t2, (SELECT a as x from t3 where a + 1 = b ) as t3
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WHERE t1.a = if(t2.b > 0, t2.a, 0) AND t2.a = t3.x AND 1
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;
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SELECT * FROM t1, t2, (SELECT a as x from t3 where a + 1 = b ) as t3
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WHERE t1.a = if(t2.b > 0, t2.a, 0)
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ORDER BY t1.a, t2.a, t3.x
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;
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-- { echoOn }
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EXPLAIN QUERY TREE
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SELECT * FROM t1, t2, (SELECT a as x from t3 where a + 1 = b ) as t3
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WHERE t1.a = if(t2.b > 0, t2.a, 0) AND t2.a = t3.x AND 1;
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EXPLAIN QUERY TREE
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SELECT * FROM t1, t2, (SELECT a as x from t3 where a + 1 = b ) as t3
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WHERE t1.a = if(t2.b > 0, t2.a, 0) AND t2.a = t3.x AND 1
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SETTINGS cross_to_inner_join_rewrite = 0;
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EXPLAIN QUERY TREE
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SELECT * FROM t1, t2, (SELECT a as x from t3 where a + 1 = b ) as t3
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WHERE t1.a = if(t2.b > 0, t2.a, 0);
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-- { echoOff }
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SELECT * FROM t1, t2, (SELECT a as x from t3 where a + 1 = b ) as t3
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WHERE t1.a = if(t2.b > 0, t2.a, 0)
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SETTINGS cross_to_inner_join_rewrite = 2; -- { serverError INCORRECT_QUERY }
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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