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7ff9e5831e
innodb_drop_database(): Apply binary comparison. (SYS_FOREIGN.ID unfortunately uses latin1_swedish_ci collation.)
37 lines
1.1 KiB
Text
37 lines
1.1 KiB
Text
#
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# Bug #20476395 DICT_LOAD_FOREIGNS() FAILED IN
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# COMMIT_INPLACE_ALTER_TABLE
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#
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call mtr.add_suppression("InnoDB: Failed to load table");
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CREATE DATABASE Bug;
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CREATE TABLE Bug.parent(a SERIAL) ENGINE=INNODB;
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CREATE TABLE Bug.child(a SERIAL, FOREIGN KEY f(a) REFERENCES Bug.parent(a))
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ENGINE=INNODB;
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create database bug;
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use bug;
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create table parent(a serial) engine=innodb;
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create table child(a serial, foreign key fk (a) references parent(a))engine=innodb;
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insert into parent values(1);
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insert into child values(1);
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drop database Bug;
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connect con1,localhost,root,,bug;
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SET DEBUG_SYNC='innodb_rename_table_ready SIGNAL s1 WAIT_FOR s2 EXECUTE 2';
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ALTER TABLE child ROW_FORMAT=DYNAMIC, ALGORITHM=COPY;
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR s1';
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SET DEBUG_SYNC='now SIGNAL s2 WAIT_FOR s1';
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# restart
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disconnect con1;
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show tables;
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Tables_in_bug
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child
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parent
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alter table parent row_format=dynamic;
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select * from child;
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a
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1
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drop table parent;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
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drop table child;
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drop table parent;
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drop database bug;
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