/**
* Gets a portable column definition as required by the DBAL for the discriminator
* column of a class.
*
* @param ClassMetadata $class
* @return array The portable column definition of the discriminator column as required by
* the DBAL.
*/
private function _getDiscriminatorColumnDefinition($class, $table)
{
$discrColumn = $class->discriminatorColumn;
if (!isset($discrColumn['type']) || strtolower($discrColumn['type']) == 'string' && $discrColumn['length'] === null) {
$discrColumn['type'] = 'string';
$discrColumn['length'] = 255;
}
$table->createColumn($class->getQuotedDiscriminatorColumnName($this->_platform), $discrColumn['type'], array('length' => $discrColumn['length'], 'notnull' => true));
}
