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Merge branch '10.9' into 10.10
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@@ -2545,12 +2545,14 @@ set foreign_key_checks=0;
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create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb;
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create table t1(a varchar(10) primary key) engine = innodb;
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alter table t1 modify column a int;
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ERROR HY000: Cannot change column 'a': used in a foreign key constraint 't2_ibfk_1' of table 'test.t2'
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set foreign_key_checks=1;
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drop table t2,t1;
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set foreign_key_checks=0;
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create table t2 (a varchar(10), foreign key (a) references t1(a)) engine = innodb DEFAULT CHARSET=latin1;
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create table t1(a varchar(10) primary key) engine = innodb DEFAULT CHARSET=latin1;
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alter table t1 convert to character set utf8;
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ERROR HY000: Cannot change column 'a': used in a foreign key constraint 't2_ibfk_1' of table 'test.t2'
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set foreign_key_checks=1;
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drop table t2,t1;
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call mtr.add_suppression("\\[Warning\\] InnoDB: In ALTER TABLE `test`.`t1` has or is referenced in foreign key constraints which are not compatible with the new table definition.");
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