Doctrine\DBAL\Platforms\PostgreSqlPlatform::getAdvancedForeignKeyOptionsSQL PHP Method

    public function getAdvancedForeignKeyOptionsSQL(\Doctrine\DBAL\Schema\ForeignKeyConstraint $foreignKey)
    {
        $query = '';
        if ($foreignKey->hasOption('match')) {
            $query .= ' MATCH ' . $foreignKey->getOption('match');
        }
        $query .= parent::getAdvancedForeignKeyOptionsSQL($foreignKey);
        if ($foreignKey->hasOption('deferrable') && $foreignKey->getOption('deferrable') !== false) {
            $query .= ' DEFERRABLE';
        } else {
            $query .= ' NOT DEFERRABLE';
        }
        if ($foreignKey->hasOption('feferred') && $foreignKey->getOption('feferred') !== false || $foreignKey->hasOption('deferred') && $foreignKey->getOption('deferred') !== false) {
            $query .= ' INITIALLY DEFERRED';
        } else {
            $query .= ' INITIALLY IMMEDIATE';
        }
        return $query;
    }