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36 lines
785 B
SQL
36 lines
785 B
SQL
drop table if exists t;
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drop table if exists s;
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drop table if exists y;
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create table t(a Int64, b Int64) engine = Memory;
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create table s(a Int64, b Int64) engine = Memory;
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create table y(a Int64, b Int64) engine = Memory;
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insert into t values (1,1), (2,2);
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insert into s values (1,1);
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insert into y values (1,1);
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select s.a, s.a, s.b as s_b, s.b from t
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left join s on s.a = t.a
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left join y on s.b = y.b
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order by t.a;
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select max(s.a) from t
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left join s on s.a = t.a
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left join y on s.b = y.b
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group by t.a;
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select t.a, t.a as t_a, s.a, s.a as s_a, y.a, y.a as y_a from t
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left join s on t.a = s.a
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left join y on y.b = s.b
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order by t.a;
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select t.a, t.a as t_a, max(s.a) from t
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left join s on t.a = s.a
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left join y on y.b = s.b
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group by t.a;
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drop table t;
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drop table s;
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drop table y;
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