mirror of
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26 lines
987 B
MySQL
26 lines
987 B
MySQL
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create database if not exists test;
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drop table if exists test.t;
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drop table if exists test.s;
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create table test.t(a Int64, b Int64) engine = TinyLog;
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insert into test.t values(1,1);
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insert into test.t values(2,2);
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create table test.s(a Int64, b Int64) engine = TinyLog;
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insert into test.s values(1,1);
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select a, b, s_a, s_b from test.t all left join (select a,b,a s_a, b s_b from test.s) using (a,b);
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select '-';
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select * from test.t all left join test.s using (a,b);
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select '-';
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select a,b,s_a,s_b from test.t all left join (select a, b, a s_a, b s_b from test.s) s on (s.a = t.a and s.b = t.b);
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select '-';
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select * from test.t all left join (select a s_a, b s_b from test.s) on (s_a = t.a and s_b = t.b);
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select '-';
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select a,b,s_a,s_b from test.t all left join (select a,b, a s_a, b s_b from test.s) on (s_a = t.a and s_b = t.b);
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select '-';
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select t.*, s.* from test.t all left join test.s on (s.a = t.a and s.b = t.b);
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drop table if exists test.t;
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drop table if exists test.s;
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