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59b3711986
optimization of left expression evaluation more descriptive method name mysql-test/r/func_in.result: test of _NEW_ IN behaviour with NULL mysql-test/r/subselect.result: test of _NEW_ IN/ALL/ANY/SOME behaviour with NULL mysql-test/t/func_in.test: test of _NEW_ IN behaviour with NULL mysql-test/t/subselect.test: test of _NEW_ IN/ALL/ANY/SOME behaviour with NULL sql/item.cc: _NEW_ IN/ALL/ANY/SOME behaviour with NULL optimization of left expression evaluation sql/item.h: _NEW_ IN/ALL/ANY/SOME behaviour with NULL optimization of left expression evaluation sql/item_cmpfunc.cc: _NEW_ IN/ALL/ANY/SOME behaviour with NULL optimization of left expression evaluation sql/item_cmpfunc.h: _NEW_ IN/ALL/ANY/SOME behaviour with NULL optimization of left expression evaluation sql/item_subselect.cc: _NEW_ IN/ALL/ANY/SOME behaviour with NULL optimization of left expression evaluation sql/item_subselect.h: _NEW_ IN/ALL/ANY/SOME behaviour with NULL optimization of left expression evaluation sql/sql_class.cc: more descriptive method name sql/sql_union.cc: more descriptive method name
52 lines
1.5 KiB
Text
52 lines
1.5 KiB
Text
#
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# test of IN (NULL)
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#
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select 1 in (1,2,3);
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select 10 in (1,2,3);
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select NULL in (1,2,3);
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select 1 in (1,NULL,3);
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select 3 in (1,NULL,3);
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select 10 in (1,NULL,3);
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select 1.5 in (1.5,2.5,3.5);
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select 10.5 in (1.5,2.5,3.5);
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select NULL in (1.5,2.5,3.5);
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select 1.5 in (1.5,NULL,3.5);
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select 3.5 in (1.5,NULL,3.5);
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select 10.5 in (1.5,NULL,3.5);
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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), (1,NULL,3);
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select 1 in (a,b,c) from t1;
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select 3 in (a,b,c) from t1;
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select 10 in (a,b,c) from t1;
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select NULL in (a,b,c) from t1;
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drop table t1;
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CREATE TABLE t1 (a float, b float, c float);
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insert into t1 values (1.5,2.5,3.5), (1.5,NULL,3.5);
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select 1.5 in (a,b,c) from t1;
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select 3.5 in (a,b,c) from t1;
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select 10.5 in (a,b,c) from t1;
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drop table t1;
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CREATE TABLE t1 (a varchar(10), b varchar(10), c varchar(10));
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insert into t1 values ('A','BC','EFD'), ('A',NULL,'EFD');
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select 'A' in (a,b,c) from t1;
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select 'EFD' in (a,b,c) from t1;
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select 'XSFGGHF' in (a,b,c) from t1;
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drop table t1;
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CREATE TABLE t1 (field char(1));
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INSERT INTO t1 VALUES ('A'),(NULL);
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SELECT * from t1 WHERE field IN (NULL);
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SELECT * from t1 WHERE field NOT IN (NULL);
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SELECT * from t1 where field = field;
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SELECT * from t1 where field <=> field;
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DELETE FROM t1 WHERE field NOT IN (NULL);
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SELECT * FROM t1;
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drop table t1;
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create table t1 (id int(10) primary key);
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insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9);
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select * from t1 where id in (2,5,9);
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drop table t1;
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