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98 lines
5.3 KiB
SQL
98 lines
5.3 KiB
SQL
SET enable_debug_queries = 1;
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set allow_experimental_cross_to_join_conversion = 0;
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select * from system.one cross join system.one;
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set allow_experimental_cross_to_join_conversion = 1;
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select * from system.one cross join system.one;
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t1 (a Int8, b Nullable(Int8)) ENGINE = Memory;
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CREATE TABLE t2 (a Int8, b Nullable(Int8)) ENGINE = Memory;
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INSERT INTO t1 values (1,1), (2,2);
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INSERT INTO t2 values (1,1), (1,2);
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INSERT INTO t2 (a) values (2), (3);
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SELECT 'cross';
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SET allow_experimental_cross_to_join_conversion = 0;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a;
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SELECT 'cross nullable';
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SET allow_experimental_cross_to_join_conversion = 0;
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SELECT * FROM t1 cross join t2 where t1.b = t2.b;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.b = t2.b;
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SELECT 'cross nullable vs not nullable';
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SET allow_experimental_cross_to_join_conversion = 0;
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SELECT * FROM t1 cross join t2 where t1.a = t2.b;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.a = t2.b;
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SELECT 'cross self';
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SET allow_experimental_cross_to_join_conversion = 0;
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SELECT * FROM t1 x cross join t1 y where x.a = y.a and x.b = y.b;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 x cross join t1 y where x.a = y.a and x.b = y.b;
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SELECT 'cross one table expr';
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SET allow_experimental_cross_to_join_conversion = 0;
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SELECT * FROM t1 cross join t2 where t1.a = t1.b order by (t1.a, t2.a, t2.b);
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.a = t1.b order by (t1.a, t2.a, t2.b);
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SELECT 'cross multiple ands';
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SET allow_experimental_cross_to_join_conversion = 0;
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--SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.a = t2.a and t1.b = t2.b and t1.a = t2.a;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b;
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SELECT 'cross and inside and';
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SET allow_experimental_cross_to_join_conversion = 0;
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--SELECT * FROM t1 cross join t2 where t1.a = t2.a and (t1.a = t2.a and (t1.a = t2.a and t1.b = t2.b));
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--SELECT * FROM t1 x cross join t2 y where t1.a = t2.a and (t1.b = t2.b and (x.a = y.a and x.b = y.b));
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SELECT * FROM t1 cross join t2 where t1.a = t2.a and (t1.b = t2.b and 1);
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a and (t1.b = t2.b and 1);
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SELECT 'cross split conjunction';
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SET allow_experimental_cross_to_join_conversion = 0;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b and t1.a >= 1 and t2.b = 1;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b and t1.a >= 1 and t2.b = 1;
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SET allow_experimental_cross_to_join_conversion = 1;
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SELECT 'comma';
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SELECT * FROM t1, t2 where t1.a = t2.a;
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SELECT 'comma nullable';
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SELECT * FROM t1, t2 where t1.b = t2.b;
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SELECT 'cross';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a;
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SELECT 'cross nullable';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1, t2 where t1.a = t2.a;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1, t2 where t1.a = t2.a;
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SELECT 'cross nullable vs not nullable';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.b;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.b;
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SELECT 'cross self';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 x cross join t1 y where x.a = y.a and x.b = y.b;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 x cross join t1 y where x.a = y.a and x.b = y.b;
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SELECT 'cross one table expr';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t1.b;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t1.b;
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SELECT 'cross multiple ands';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b;
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SELECT 'cross and inside and';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a and (t1.a = t2.a and (t1.a = t2.a and t1.b = t2.b));
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a and (t1.a = t2.a and (t1.a = t2.a and t1.b = t2.b));
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SELECT 'cross split conjunction';
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SET allow_experimental_cross_to_join_conversion = 0; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b and t1.a >= 1 and t2.b > 0;
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SET allow_experimental_cross_to_join_conversion = 1; ANALYZE SELECT * FROM t1 cross join t2 where t1.a = t2.a and t1.b = t2.b and t1.a >= 1 and t2.b > 0;
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DROP TABLE t1;
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DROP TABLE t2;
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