mirror of
https://github.com/ClickHouse/ClickHouse.git
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115 lines
6.2 KiB
SQL
115 lines
6.2 KiB
SQL
SET joined_subquery_requires_alias = 0;
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drop table if exists tab1;
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drop table if exists tab2;
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drop table if exists tab3;
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drop table if exists tab1_copy;
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create table tab1 (a1 Int32, b1 Int32) engine = MergeTree order by a1;
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create table tab2 (a2 Int32, b2 Int32) engine = MergeTree order by a2;
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create table tab3 (a3 Int32, b3 Int32) engine = MergeTree order by a3;
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create table tab1_copy (a1 Int32, b1 Int32) engine = MergeTree order by a1;
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insert into tab1 values (1, 2);
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insert into tab2 values (2, 3);
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insert into tab3 values (2, 3);
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insert into tab1_copy values (2, 3);
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select 'joind columns from right table';
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select a1 from tab1 any left join tab2 on b1 = a2;
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select a1, b1 from tab1 any left join tab2 on b1 = a2;
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select a1, a2 from tab1 any left join tab2 on b1 = a2;
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select a1, b2 from tab1 any left join tab2 on b1 = a2;
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select a1, a2, b2 from tab1 any left join tab2 on b1 = a2;
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select 'join on expression';
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select b1 from tab1 any left join tab2 on toInt32(a1 + 1) = a2;
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select b1, a2 from tab1 any left join tab2 on toInt32(a1 + 1) = a2;
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select b1, b2 from tab1 any left join tab2 on toInt32(a1 + 1) = a2;
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select a1 from tab1 any left join tab2 on b1 + 1 = a2 + 1;
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select a2 from tab1 any left join tab2 on b1 + 1 = a2 + 1;
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select a1, b1, a2, b2 from tab1 any left join tab2 on b1 + 1 = a2 + 1;
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select a1, b1, a2, b2, a2 + 1 from tab1 any left join tab2 on b1 + 1 = a2 + 1;
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select a1, b1, a2, b2 from tab1 any left join tab2 on a1 + 4 = b2 + 2;
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select 'join on and chain';
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select a2, b2 from tab2 any left join tab3 on a2 = a3 and b2 = b3;
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select a3, b3 from tab2 any left join tab3 on a2 = a3 and b2 = b3;
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select a2, b2, a3, b3 from tab2 any left join tab3 on a2 = a3 and b2 = b3;
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select a1 from tab1 any left join tab2 on b1 + 1 = a2 + 1 and a1 + 4 = b2 + 2;
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select a1, b2 from tab1 any left join tab2 on b1 + 1 = a2 + 1 and a1 + 4 = b2 + 2;
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select a1, b1, a2, b2 from tab1 any left join tab2 on b1 + 1 = a2 + 1 and a1 + 4 = b2 + 2;
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select a2, b2 + 1 from tab1 any left join tab2 on b1 + 1 = a2 + 1 and a1 + 4 = b2 + 2;
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select 'join on aliases';
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on first.b1 = second_.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on second_.a2 = first.b1;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab1.b1 = tab2.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab2.a2 = tab1.b1;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab1.b1 = tab2.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab2.a2 = tab1.b1;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on first.b1 = tab2.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab2.a2 = first.b1;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on first.b1 = tab2.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab2.a2 = first.b1;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab1.b1 = second_.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on second_.a2 = tab1.b1;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on tab1.b1 = second_.a2;
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select a1, a2, b1, b2 from tab1 first any left join tab2 second_ on second_.a2 = tab1.b1;
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select a1, a2, first.b1, second_.b2 from tab1 first any left join tab2 second_ on b1 = a2;
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select a1, a2, tab1.b1, tab2.b2 from tab1 first any left join tab2 second_ on b1 = a2;
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select a1, a2, tab1.b1, tab2.b2 from tab1 first any left join tab2 second_ on b1 = a2;
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select 'join on complex expression';
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select a2, b2 from tab2 any left join tab3 on a2 + b2 = a3 + b3;
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select a2, b2 from tab2 any left join tab3 on a3 + tab3.b3 = a2 + b2;
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select a2, b2 from tab2 second_ any left join tab3 on a3 + b3 = a2 + second_.b2;
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select a2, b2 from tab2 second_ any left join tab3 third on third.a3 + tab3.b3 = tab2.a2 + second_.b2;
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select a2, b2 from tab2 second_ any left join tab3 third on third.a3 + tab3.b3 = tab2.a2 + second_.b2;
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select 'duplicate column names';
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select a1, tab1_copy.a1 from tab1 any left join tab1_copy on tab1.b1 + 3 = tab1_copy.b1 + 2 FORMAT JSONEachRow;
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select a1, tab1_copy.a1 from tab1 any left join tab1_copy on tab1.b1 + 3 = tab1_copy.b1 + 2 FORMAT JSONEachRow;
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select a1, copy.a1 from tab1 any left join tab1_copy copy on tab1.b1 + 3 = tab1_copy.b1 + 2 FORMAT JSONEachRow;
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select a1, tab1_copy.a1 from tab1 any left join tab1_copy copy on tab1.b1 + 3 = tab1_copy.b1 + 2 FORMAT JSONEachRow;
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select a1, tab1_copy.a1 from tab1 any left join tab1_copy copy on tab1.b1 + 3 = tab1_copy.b1 + 2 FORMAT JSONEachRow;
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select 'subquery';
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select a1 from tab1 any left join (select * from tab2) on b1 = a2;
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select a1 from tab1 any left join (select a2 from tab2) on b1 = a2;
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select a1, b1 from tab1 any left join (select * from tab2) on b1 = a2;
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select a1, b1, a2, b2 from tab1 any left join (select * from tab2) on b1 = a2;
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select a1, a2 from tab1 any left join (select a2 from tab2) on b1 = a2;
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select 'subquery expression';
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select b1 from tab1 any left join (select * from tab2) on toInt32(a1 + 1) = a2;
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select a1, b1, a2, b2 from tab1 any left join (select * from tab2) on b1 + 1 = a2 + 1;
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select a1, b1, a2 from tab1 any left join (select * from tab2) on b1 + 1 = a2 + 1;
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select 'subquery column alias';
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select a1, b1, a2, b2 from tab1 any left join (select *, a2 as z from tab2) on b1 + 1 = z + 1;
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select a1, b1, a2, b2 from tab1 any left join (select *, a2 + 1 as z from tab2) on b1 + 1 = z;
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select a1, b1, a2, b2 from tab1 any left join (select *, a2 + 1 as z from tab2) on b1 + 2 = z + 1 format TSV;
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select 'subquery alias';
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select a1, a2, b1, b2 from tab1 first any left join (select * from tab2) second_ on first.b1 = second_.a2;
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select a1, a2, b1, b2 from tab1 first any left join (select *, a2 as z from tab2) second_ on first.b1 = second_.z;
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select a1, a2, b1, b2 from tab1 first any left join (select *, a2 + 1 as z from tab2) second_ on first.b1 + 1 = second_.z;
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select tab1.a1, a2, tab1.b1, second_.b2 from tab1 first any left join (select * from tab2) second_ on first.b1 = second_.a2;
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select a1, s.a1 from tab1 any left join (select * from tab1_copy) s on tab1.b1 + 3 = s.b1 + 2 FORMAT JSONEachRow;
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drop table tab1;
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drop table tab1_copy;
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drop table tab2;
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drop table tab3;
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