use Symfony\Component\DependencyInjection\ContainerInterface;
/**
- * Changed tags to lowercase
+ * Changed tags to lowercase.
*/
class Version20170719231144 extends AbstractMigration implements ContainerAwareInterface
{
$this->container = $container;
}
- private function getTable($tableName)
- {
- return $this->container->getParameter('database_table_prefix').$tableName;
- }
-
/**
* @param Schema $schema
*/
public function up(Schema $schema)
{
- $this->skipIf($this->connection->getDatabasePlatform()->getName() == 'sqlite', 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
-
+ $this->skipIf('sqlite' === $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\' or \'postgresql\'.');
+
// Find tags which need to be merged
- $dupTags = $this->connection->query("
+ $dupTags = $this->connection->query('
SELECT LOWER(label)
- FROM ".$this->getTable('tag')."
+ FROM ' . $this->getTable('tag') . '
GROUP BY LOWER(label)
- HAVING COUNT(*) > 1"
+ HAVING COUNT(*) > 1'
);
$dupTags->execute();
$label = $duplicates['LOWER(label)'];
// Retrieve all duplicate tags for a given tag
- $tags = $this->connection->query("
+ $tags = $this->connection->query('
SELECT id
- FROM ".$this->getTable('tag')."
- WHERE LOWER(label) = '".$label."'
+ FROM ' . $this->getTable('tag') . "
+ WHERE LOWER(label) = '" . $label . "'
ORDER BY id ASC"
);
$tags->execute();
// Just in case...
if (count($ids) > 0) {
// Merge tags
- $this->addSql("
- UPDATE ".$this->getTable('entry_tag')."
- SET tag_id = ".$newId."
- WHERE tag_id IN (".implode(',', $ids).")"
+ $this->addSql('
+ UPDATE ' . $this->getTable('entry_tag') . '
+ SET tag_id = ' . $newId . '
+ WHERE tag_id IN (' . implode(',', $ids) . ')'
);
// Delete unused tags
- $this->addSql("
- DELETE FROM ".$this->getTable('tag')."
- WHERE id IN (".implode(',', $ids).")"
+ $this->addSql('
+ DELETE FROM ' . $this->getTable('tag') . '
+ WHERE id IN (' . implode(',', $ids) . ')'
);
}
}
// Iterate over all tags to lowercase them
- $this->addSql("
- UPDATE ".$this->getTable('tag')."
- SET label = LOWER(label)"
+ $this->addSql('
+ UPDATE ' . $this->getTable('tag') . '
+ SET label = LOWER(label)'
);
}
{
throw new SkipMigrationException('Too complex ...');
}
+
+ private function getTable($tableName)
+ {
+ return $this->container->getParameter('database_table_prefix') . $tableName;
+ }
}