Doctrine\DBAL\Platforms\PostgreSqlPlatform::isUnchangedBinaryColumn PHP Метод

    private function isUnchangedBinaryColumn(ColumnDiff $columnDiff)
    {
        $columnType = $columnDiff->column->getType();
        if (!$columnType instanceof BinaryType && !$columnType instanceof BlobType) {
            return false;
        }
        $fromColumn = $columnDiff->fromColumn instanceof Column ? $columnDiff->fromColumn : null;
        if ($fromColumn) {
            $fromColumnType = $fromColumn->getType();
            if (!$fromColumnType instanceof BinaryType && !$fromColumnType instanceof BlobType) {
                return false;
            }
            return count(array_diff($columnDiff->changedProperties, array('type', 'length', 'fixed'))) === 0;
        }
        if ($columnDiff->hasChanged('type')) {
            return false;
        }
        return count(array_diff($columnDiff->changedProperties, array('length', 'fixed'))) === 0;
    }