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CREATE TABLE bug38999_1 (a int not null primary key, b int not null, key (b)) engine=innodb;
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CREATE TABLE bug38999_2 (a int not null primary key, b int not null, key (b)) engine=innodb;
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INSERT INTO bug38999_1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12);
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INSERT INTO bug38999_2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
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update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100;
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select * from bug38999_1;
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update bug38999_1,bug38999_2 set bug38999_1.a=bug38999_1.a+100 where bug38999_1.a=101;
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select * from bug38999_1;
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update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+10 where bug38999_1.b=2;
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select * from bug38999_1;
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update bug38999_1,bug38999_2 set bug38999_1.b=bug38999_1.b+2,bug38999_2.b=bug38999_1.b+10 where bug38999_1.b between 3 and 5 and bug38999_1.a=bug38999_2.a+100;
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select * from bug38999_1;
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select * from bug38999_2;
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drop table bug38999_1,bug38999_2;