/**
* Appends a generice <index> or <unique> XML node to its parent node.
*
* @param string $nodeType The node type (index or unique)
* @param Index $index The Index model instance
* @param \DOMNode $parentNode The parent DOMNode object
*/
private function appendGenericIndexNode($nodeType, Index $index, \DOMNode $parentNode)
{
$indexNode = $parentNode->appendChild($this->document->createElement($nodeType));
$indexNode->setAttribute('name', $index->getName());
foreach ($index->getColumns() as $columnName) {
$indexColumnNode = $indexNode->appendChild($this->document->createElement($nodeType . '-column'));
$indexColumnNode->setAttribute('name', $columnName);
if ($size = $index->getColumnSize($columnName)) {
$indexColumnNode->setAttribute('size', $size);
}
}
foreach ($index->getVendorInformation() as $vendorInformation) {
$this->appendVendorInformationNode($vendorInformation, $indexNode);
}
}