oceanbase

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--disable_query_log
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set @@session.explicit_defaults_for_timestamp=off;
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--enable_query_log
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#### owner: peihan.dph
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#### owner group: sql3
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#### description: 测试相等比较运算符
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# Initialise
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--disable_warnings
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drop table if exists t1,t2;
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--enable_warnings
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#
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##
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## Testing of the <=> operator
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##
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#
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##
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## First some simple tests
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##
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#
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select 0<=>0,0.0<=>0.0,0E0=0E0,'A'<=>'A',NULL<=>NULL;
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select 1<=>0,0<=>NULL,NULL<=>0;
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select 1.0<=>0.0,0.0<=>NULL,NULL<=>0.0;
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select 'A'<=>'B','A'<=>NULL,NULL<=>'A';
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select 0<=>0.0, 0.0<=>0E0, 0E0<=>'0', 10.0<=>1E1, 10<=>10.0, 10<=>1E1;
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select 1.0<=>0E1,10<=>NULL,NULL<=>0.0, NULL<=>0E0;
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#
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##
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## Test with tables
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##
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#
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create table t1 (id int primary key, value int);
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create table t2 (id int primary key, value int);
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#
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insert into t1 values (1,null);
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insert into t2 values (1,null);
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#
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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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select * from t1 where id =id;
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select * from t1 where value = value;
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select * from t1 where id = value or value=id;
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select * from t1 where value = null;
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select * from t1 where (value) = (null);
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--error 1064
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select * from t1 where ROW(value) = ROW(null);
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select * from t1 where (id, value) = (1, null);
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drop table t1,t2;
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#
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##
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## Bug #12612: quoted bigint unsigned value and the use of 'in' in where clause
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##
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create table t1 (a bigint primary key);
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insert into t1 values (4828532208463511553);
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select * from t1 where a = '4828532208463511553';
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select * from t1 where a = 4828532208463511553;
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select * from t1 where a in ('4828532208463511553');
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select * from t1 where a in (4828532208463511553,1);
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drop table t1;
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#
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## End of 4.1 tests
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