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46 lines
1.2 KiB
Plaintext
46 lines
1.2 KiB
Plaintext
USE tpch1;
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drop table if exists tbl1;
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drop table if exists tbl2;
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create table tbl1 (c1 char(1), c2 char(255))engine=columnstore;
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create table tbl2 (c1 char(1), c2 char(255))engine=columnstore;
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insert into tbl1 values (1, 1), (2, 2), (3, 3), (4, 4), (null, null);
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insert into tbl2 values (1, 1), (2, 2), (3, 3), (null, null);
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select count(*) from tbl1 join tbl2 on tbl1.c1 = tbl2.c1;
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count(*)
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3
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select count(*) from tbl1 join tbl2 on tbl1.c1 = tbl2.c2;
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count(*)
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3
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select count(*) from tbl1 join tbl2 on tbl1.c2 = tbl2.c1;
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count(*)
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3
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select count(*) from tbl1 join tbl2 on tbl1.c2 = tbl2.c2;
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count(*)
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3
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select count(*) from tbl1 left join tbl2 on tbl1.c1 = tbl2.c1;
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count(*)
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5
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select count(*) from tbl1 left join tbl2 on tbl1.c1 = tbl2.c2;
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count(*)
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5
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select count(*) from tbl1 left join tbl2 on tbl1.c2 = tbl2.c1;
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count(*)
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5
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select count(*) from tbl1 left join tbl2 on tbl1.c2 = tbl2.c2;
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count(*)
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5
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select count(*) from tbl1 right join tbl2 on tbl1.c1 = tbl2.c1;
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count(*)
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4
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select count(*) from tbl1 right join tbl2 on tbl1.c1 = tbl2.c2;
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count(*)
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4
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select count(*) from tbl1 right join tbl2 on tbl1.c2 = tbl2.c1;
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count(*)
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4
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select count(*) from tbl1 right join tbl2 on tbl1.c2 = tbl2.c2;
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count(*)
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4
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drop table tbl1;
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drop table tbl2;
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