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1f6ecc0cd3
Cleaned up test; Removed wrong DROP TABLE commands and use standard table and database names. changed store_warning() -> push_warning_print()
30 lines
795 B
Plaintext
30 lines
795 B
Plaintext
drop table if exists t1,t2;
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select 0<=>0,0.0<=>0.0,"A"<=>"A",NULL<=>NULL;
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0<=>0 0.0<=>0.0 "A"<=>"A" NULL<=>NULL
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1 1 1 1
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select 1<=>0,0<=>NULL,NULL<=>0;
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1<=>0 0<=>NULL NULL<=>0
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0 0 0
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select 1.0<=>0.0,0.0<=>NULL,NULL<=>0.0;
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1.0<=>0.0 0.0<=>NULL NULL<=>0.0
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0 0 0
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select "A"<=>"B","A"<=>NULL,NULL<=>"A";
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"A"<=>"B" "A"<=>NULL NULL<=>"A"
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0 0 0
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create table t1 (id int, value int);
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create table t2 (id int, value int);
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insert into t1 values (1,null);
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insert into t2 values (1,null);
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select t1.*, t2.*, t1.value<=>t2.value from t1, t2 where t1.id=t2.id and t1.id=1;
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id value id value t1.value<=>t2.value
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1 NULL 1 NULL 1
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select * from t1 where id <=>id;
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id value
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1 NULL
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select * from t1 where value <=> value;
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id value
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1 NULL
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select * from t1 where id <=> value or value<=>id;
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id value
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drop table t1,t2;
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