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Current File : /www/server/mysql/src/mysql-test/suite/ndb/r/ndb_fk_locase.result
select @@global.lower_case_table_names;
@@global.lower_case_table_names
1
# test FK name is stored lower case
create table T1 (
a int primary key
) engine=ndb;
insert into t1 values (1);
create table T2 (
a int primary key,
b int,
foreign key myFK1 (a) references t1 (a),
key XB (b)
) engine=ndb;
alter table T2
add constraint foreign key MYfk2 (b) references test.t1 (a);
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`),
  KEY `XB` (`b`),
  CONSTRAINT `myfk1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
  CONSTRAINT `myfk2` FOREIGN KEY (`b`) REFERENCES `t1` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
insert into t2 values (2,1);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
insert into t2 values (1,2);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)

ndb_show_tables completed.....

select count(*) from ndb_show_tables_results
where type = "'UserTable'" and name in ( "'t1'", "'t2'");
count(*)
2
select count(*) from ndb_show_tables_results
where type = "'ForeignKey'" and name like "'%myfk%'";
count(*)
2
alter table T2
drop foreign key MYfk1;
alter table t2
drop foreign key myFK2,
algorithm=copy;
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`),
  KEY `XB` (`b`)
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
# test upper case parent database and table
drop table T2;
create table T2 (
a int primary key,
b int,
foreign key myFK1 (a) references T1 (a),
key XB (b)
) engine=ndb;
alter table T2
add constraint foreign key MYfk2 (b) references TEST.T1 (a);
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` int(11) NOT NULL,
  `b` int(11) DEFAULT NULL,
  PRIMARY KEY (`a`),
  KEY `XB` (`b`),
  CONSTRAINT `myfk1` FOREIGN KEY (`a`) REFERENCES `t1` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION,
  CONSTRAINT `myfk2` FOREIGN KEY (`b`) REFERENCES `t1` (`a`) ON DELETE NO ACTION ON UPDATE NO ACTION
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
insert into t2 values (2,1);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
insert into t2 values (1,2);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (Unknown error code)
drop table t2,t1;

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