/**
* Copy relations product index from primary index to temporary index table by parent entity
*
* @param null|array $parentIds
* @param array $excludeIds
* @return \Magento\Catalog\Model\Indexer\Product\Price\AbstractAction
*/
protected function _copyRelationIndexData($parentIds, $excludeIds = null)
{
$select = $this->_connection->select()->from($this->_defaultIndexerResource->getTable('catalog_product_relation'), ['child_id'])->where('parent_id IN(?)', $parentIds);
if (!empty($excludeIds)) {
$select->where('child_id NOT IN(?)', $excludeIds);
}
$children = $this->_connection->fetchCol($select);
if ($children) {
$select = $this->_connection->select()->from($this->_defaultIndexerResource->getTable('catalog_product_index_price'))->where('entity_id IN(?)', $children);
$query = $select->insertFromSelect($this->_defaultIndexerResource->getIdxTable(), [], false);
$this->_connection->query($query);
}
return $this;
}
/**
* @return string
*/
protected function getProductIdFieldName()
{
$table = $this->_defaultIndexerResource->getTable('catalog_product_entity');
$indexList = $this->_connection->getIndexList($table);
return $indexList[$this->_connection->getPrimaryKeyName($table)]['COLUMNS_LIST'][0];
}