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44 lines
1.3 KiB
MySQL
44 lines
1.3 KiB
MySQL
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-- https://github.com/ClickHouse/ClickHouse/issues/56287
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SET allow_experimental_analyzer = 1;
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DROP TABLE IF EXISTS tmp_a;
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DROP TABLE IF EXISTS tmp_b;
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CREATE TEMPORARY TABLE IF NOT EXISTS tmp_a
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(
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k1 Int32,
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k2 Int32,
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d1 Int32,
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d2 Int32
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) ENGINE = Memory;
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INSERT INTO tmp_a VALUES (1,2,3,4);
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INSERT INTO tmp_a VALUES (5,6,7,8);
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CREATE TEMPORARY TABLE IF NOT EXISTS tmp_b (
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k1 Int32,
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k2 Int32,
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d0 Float64
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) ENGINE = Memory;
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INSERT INTO tmp_b VALUES (1,2,0.3);
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INSERT INTO tmp_b VALUES (5,6,0.4);
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SELECT tb1.*,tb2.*
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FROM
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(
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with tmp0 as (select k1,k2,d1 from tmp_a),
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tmp_s as (select k1,k2,d0 from tmp_b),
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tmp1 as (select tmp0.*,tmp_s.d0 from tmp0 left join tmp_s on tmp0.k1=tmp_s.k1 and tmp0.k2=tmp_s.k2)
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select * from tmp1
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) as tb1
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LEFT JOIN
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(
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with tmp0 as (select k1,k2,d2 from tmp_a),
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tmp_s as (select k1,k2,d0 from tmp_b),
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tmp1 as (select tmp0.*,tmp_s.d0 from tmp0 left join tmp_s on tmp0.k1=tmp_s.k1 and tmp0.k2=tmp_s.k2)
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select * from tmp1
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) as tb2
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ON tb1.k1=tb2.k1 AND tb1.k2=tb2.k2
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ORDER BY k1;
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DROP TABLE IF EXISTS tmp_a;
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DROP TABLE IF EXISTS tmp_b;
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