* */ namespace OC\Core\Migrations; use Closure; use OCP\DB\ISchemaWrapper; use OCP\DB\Types; use OCP\Migration\IOutput; use OCP\Migration\SimpleMigrationStep; class Version25000Date20220515204012 extends SimpleMigrationStep { public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper { /** @var ISchemaWrapper $schema */ $schema = $schemaClosure(); if ($schema->hasTable('share')) { $shareTable = $schema->getTable('share'); if (!$shareTable->hasColumn('attributes')) { $shareTable->addColumn( 'attributes', Types::JSON, [ 'default' => null, 'notnull' => false ] ); } } return $schema; } }