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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-26 11:48:52 +03:00
42 lines
1.0 KiB
Plaintext
42 lines
1.0 KiB
Plaintext
USE tpch1;
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drop table if exists cat;
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drop table if exists dog;
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create table cat(id int, f float, d double)engine=columnstore;
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create table dog(id int, f float, d double)engine=columnstore;
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insert into cat values
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(1, 1.234, 1.2343),
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(2, 989.789, 999.2343),
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(3, null, null),
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(4, 9121, 9999);
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insert into dog values
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(1, 989.789, 999.2343),
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(2, null, null),
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(3, 1.23234, 1.232343),
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(4, 91215, 9999);
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select 'q1', cat.id, dog.id from cat join dog on cat.f = dog.f;
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q1 id id
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q1 2 1
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select 'q2', cat.id, dog.id from cat join dog on cat.d = dog.d;
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q2 id id
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q2 2 1
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q2 4 4
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update dog, cat set dog.id=100+dog.id where dog.f = cat.f;
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select 'q3', dog.* from dog;
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q3 id f d
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q3 101 989.789 999.2343
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q3 2 NULL NULL
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q3 3 1.23234 1.232343
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q3 4 91215 9999
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update cat, dog set cat.id=100+cat.id where dog.d = cat.d;
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select 'q4', cat.* from cat;
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q4 id f d
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q4 1 1.234 1.2343
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q4 102 989.789 999.2343
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q4 3 NULL NULL
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q4 104 9121 9999
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select 'q5', cat.id, dog.id from cat join dog on cat.f = dog.f and cat.d = dog.d;
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q5 id id
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q5 102 101
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drop table cat;
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drop table dog;
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