5 description => "Update user_permissions to add primary key and remove null option from code column",
8 my ($dbh, $out) = @$args{qw(dbh out)};
10 primary_key_exists( 'user_permissions', 'borrowernumber') &&
11 primary_key_exists( 'user_permissions', 'module_bit' ) &&
12 primary_key_exists( 'user_permissions', 'code')
15 ALTER TABLE user_permissions DROP INDEX IF EXISTS `PRIMARY`
17 say $out "Dropped any previously created primary key";
19 $dbh->do(q{ALTER TABLE user_permissions ADD COLUMN temp SERIAL PRIMARY KEY});
20 $dbh->do(q{DELETE t1 FROM user_permissions t1 INNER JOIN user_permissions t2 WHERE t1.temp < t2.temp AND t1.borrowernumber = t2.borrowernumber AND t1.module_bit = t2.module_bit AND t1.code = t2.code});
21 $dbh->do(q{ALTER TABLE user_permissions DROP COLUMN temp});
22 say $out "Removed any duplicate rows";
24 if ( foreign_key_exists('user_permissions', 'user_permissions_ibfk_2') ) {
26 ALTER TABLE user_permissions DROP FOREIGN KEY user_permissions_ibfk_2
30 ALTER TABLE user_permissions ADD CONSTRAINT PK_borrowernumber_module_code PRIMARY KEY (borrowernumber,module_bit,code)
33 ALTER TABLE user_permissions
34 ADD CONSTRAINT `user_permissions_ibfk_2` FOREIGN KEY (`module_bit`, `code`) REFERENCES `permissions` (`module_bit`, `code`) ON DELETE CASCADE ON UPDATE CASCADE;
36 say $out "Added a primary key on user_permissions on borrowernumber, module_bit, code";