chill-bundles/migrations/Version20160222103457.php

80 lines
3.2 KiB
PHP

<?php
namespace Application\Migrations;
use Doctrine\Migrations\AbstractMigration;
use Doctrine\DBAL\Schema\Schema;
/**
* Migrate schema to allow multiple or empty reasons on an activity.
*
* The relation between the activity and reason **was** oneToMany. After this
* migration, the relation will be manyToMany.
*/
class Version20160222103457 extends AbstractMigration
{
/**
* @param Schema $schema
*/
public function up(Schema $schema): void
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != 'postgresql',
'Migration can only be executed safely on \'postgresql\'.');
// create the new table activity reason
$this->addSql('CREATE TABLE activity_activityreason ('
. 'activity_id INT NOT NULL, '
. 'activityreason_id INT NOT NULL, '
. 'PRIMARY KEY(activity_id, activityreason_id))'
);
$this->addSql('CREATE INDEX IDX_338A864381C06096 ON activity_activityreason (activity_id)');
$this->addSql('CREATE INDEX IDX_338A8643D771E0FC ON activity_activityreason (activityreason_id)');
$this->addSql('ALTER TABLE activity_activityreason '
. 'ADD CONSTRAINT FK_338A864381C06096 FOREIGN KEY (activity_id) '
. 'REFERENCES Activity (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
$this->addSql('ALTER TABLE activity_activityreason '
. 'ADD CONSTRAINT FK_338A8643D771E0FC FOREIGN KEY (activityreason_id) '
. 'REFERENCES ActivityReason (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE');
// migrate old data to new table
$this->addSql('INSERT INTO activity_activityreason (activity_id, activityreason_id) '
. 'SELECT id, reason_id FROM activity WHERE reason_id IS NOT NULL');
// remove old column
$this->addSql('ALTER TABLE activity DROP CONSTRAINT fk_55026b0c59bb1592');
$this->addSql('DROP INDEX idx_55026b0c59bb1592');
$this->addSql('ALTER TABLE activity DROP reason_id');
}
/**
* @param Schema $schema
*/
public function down(Schema $schema): void
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != 'postgresql',
'Migration can only be executed safely on \'postgresql\'.');
$this->addSql('ALTER TABLE Activity ADD reason_id INT DEFAULT NULL');
$this->addSql('ALTER TABLE Activity ADD CONSTRAINT '
. 'fk_55026b0c59bb1592 FOREIGN KEY (reason_id) '
. 'REFERENCES activityreason (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
$this->addSql('CREATE INDEX idx_55026b0c59bb1592 ON Activity (reason_id)');
// try to keep at least on activity reason...
$this->addSql('UPDATE activity
SET reason_id=rid
FROM (
SELECT activity_id AS aid, MIN(activityreason_id) AS rid
FROM activity_activityreason
GROUP BY activity_id ) AS sb
WHERE sb.aid = activity.id'
);
$this->addSql('DROP TABLE activity_activityreason');
}
}