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28 lines
753 B
Plaintext
28 lines
753 B
Plaintext
USE tpch1;
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drop table if exists stringtest;
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create table stringtest (c1 char(10), c2 varchar(10), c3 varchar(6))engine=columnstore;
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insert into stringtest values ('abc','cde','abc'), ('cde','abc','cde');
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select * from stringtest where c1='abc' or c2='abc';
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c1 c2 c3
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abc cde abc
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cde abc cde
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select * from stringtest where c1= 'abc ';
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c1 c2 c3
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abc cde abc
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select * from stringtest where c2='abc ';
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c1 c2 c3
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cde abc cde
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select * from stringtest where c1='abc ' or c2='abc ';
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c1 c2 c3
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abc cde abc
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cde abc cde
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select * from stringtest where c1 = 'abc' or c3='cde ';
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c1 c2 c3
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abc cde abc
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cde abc cde
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select concat('abc ', c2), concat('cde ', c3) from stringtest;
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concat('abc ', c2) concat('cde ', c3)
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abc cde cde abc
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abc abc cde cde
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drop table stringtest;
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