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21 lines
651 B
Plaintext
21 lines
651 B
Plaintext
SELECT (1,2,3)=(1,2,3);
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SELECT (2,2,3)=(1+1,2,3);
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SELECT (1,2,3)=(1+1,2,3);
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SELECT (1,2,3)<(1+1,2,3);
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SELECT (1,2,3)>(1+1,2,3);
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SELECT (1,2,3)<=(1+1,2,3);
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SELECT (1,2,3)>=(1+1,2,3);
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SELECT (1,2,3)<>(1+1,2,3);
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SELECT (NULL,2,3)=(NULL,2,3);
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SELECT (NULL,2,3)<=>(NULL,2,3);
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SELECT (1,2,(3,4,5))=(1,2,(3,4,5));
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SELECT ('test',2,3.33)=('test',2,3.33);
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-- error 1239
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SELECT ('test',2,3.33)=('test',2,3.33,4);
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drop table if exists t1;
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create table t1 ( a int, b int, c int);
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insert into t1 values (1,2,3), (2,3,1), (3,2,1);
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select * from t1 where (1,2,3)=(a,b,c);
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select * from t1 where (0,2,3)=(a,b,c);
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select * from t1 where (1,2,3)<(a,b,c);
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drop table t1; |