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<?php
namespace Application\Migrations;
use Doctrine\DBAL\Migrations\AbstractMigration;
use Doctrine\DBAL\Migrations\SkipMigrationException;
use Doctrine\DBAL\Schema\Schema;
use Symfony\Component\DependencyInjection\ContainerAwareInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Added pocket_consumer_key field on wallabag_config.
*/
class Version20161001072726 extends AbstractMigration implements ContainerAwareInterface
{
/**
* @var ContainerInterface
*/
private $container;
public function setContainer(ContainerInterface $container = null)
{
$this->container = $container;
}
/**
* @param Schema $schema
*/
public function up(Schema $schema)
{
$this->skipIf('sqlite' === $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
// remove all FK from entry_tag
switch ($this->connection->getDatabasePlatform()->getName()) {
case 'mysql':
$query = $this->connection->query("
SELECT CONSTRAINT_NAME
FROM information_schema.key_column_usage
WHERE TABLE_NAME = '" . $this->getTable('entry_tag') . "' AND CONSTRAINT_NAME LIKE 'FK_%'
AND TABLE_SCHEMA = '" . $this->connection->getDatabase() . "'"
);
$query->execute();
foreach ($query->fetchAll() as $fk) {
$this->addSql('ALTER TABLE ' . $this->getTable('entry_tag') . ' DROP FOREIGN KEY ' . $fk['CONSTRAINT_NAME']);
}
break;
case 'postgresql':
// http://dba.stackexchange.com/questions/36979/retrieving-all-pk-and-fk
$query = $this->connection->query("
SELECT conrelid::regclass AS table_from
,conname
,pg_get_constraintdef(c.oid)
FROM pg_constraint c
JOIN pg_namespace n ON n.oid = c.connamespace
WHERE contype = 'f'
AND conrelid::regclass::text = '" . $this->getTable('entry_tag') . "'
AND n.nspname = 'public';"
);
$query->execute();
foreach ($query->fetchAll() as $fk) {
$this->addSql('ALTER TABLE ' . $this->getTable('entry_tag') . ' DROP CONSTRAINT ' . $fk['conname']);
}
break;
}
$this->addSql('ALTER TABLE ' . $this->getTable('entry_tag') . ' ADD CONSTRAINT FK_entry_tag_entry FOREIGN KEY (entry_id) REFERENCES ' . $this->getTable('entry') . ' (id) ON DELETE CASCADE');
$this->addSql('ALTER TABLE ' . $this->getTable('entry_tag') . ' ADD CONSTRAINT FK_entry_tag_tag FOREIGN KEY (tag_id) REFERENCES ' . $this->getTable('tag') . ' (id) ON DELETE CASCADE');
// remove entry FK from annotation
switch ($this->connection->getDatabasePlatform()->getName()) {
case 'mysql':
$query = $this->connection->query("
SELECT CONSTRAINT_NAME
FROM information_schema.key_column_usage
WHERE TABLE_NAME = '" . $this->getTable('annotation') . "'
AND CONSTRAINT_NAME LIKE 'FK_%'
AND COLUMN_NAME = 'entry_id'
AND TABLE_SCHEMA = '" . $this->connection->getDatabase() . "'"
);
$query->execute();
foreach ($query->fetchAll() as $fk) {
$this->addSql('ALTER TABLE ' . $this->getTable('annotation') . ' DROP FOREIGN KEY ' . $fk['CONSTRAINT_NAME']);
}
break;
case 'postgresql':
// http://dba.stackexchange.com/questions/36979/retrieving-all-pk-and-fk
$query = $this->connection->query("
SELECT conrelid::regclass AS table_from
,conname
,pg_get_constraintdef(c.oid)
FROM pg_constraint c
JOIN pg_namespace n ON n.oid = c.connamespace
WHERE contype = 'f'
AND conrelid::regclass::text = '" . $this->getTable('annotation') . "'
AND n.nspname = 'public'
AND pg_get_constraintdef(c.oid) LIKE '%entry_id%';"
);
$query->execute();
foreach ($query->fetchAll() as $fk) {
$this->addSql('ALTER TABLE ' . $this->getTable('annotation') . ' DROP CONSTRAINT ' . $fk['conname']);
}
break;
}
$this->addSql('ALTER TABLE ' . $this->getTable('annotation') . ' ADD CONSTRAINT FK_annotation_entry FOREIGN KEY (entry_id) REFERENCES ' . $this->getTable('entry') . ' (id) ON DELETE CASCADE');
}
/**
* @param Schema $schema
*/
public function down(Schema $schema)
{
throw new SkipMigrationException('Too complex ...');
}
private function getTable($tableName)
{
return $this->container->getParameter('database_table_prefix') . $tableName;
}
}
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