/**
* Generate the Select object for this listing. Will include the columns
* from the listing's Table, any foreign key references, and also allow all
* field providers to augment the Select as needed.
*
* @return Select
*/
private function generateSelect()
{
$select = $this->table->select();
$this->selectFromTable($select);
$this->selectForeignKeyValues($select);
$this->selectFieldProviderValues($select);
return $select;
}
/**
* Load the list of available attributes from the database, if they haven't
* been loaded already. The array of attributes will use the attribute field
* name (e.g. "eav_1") for a key.
*
* @return array
*/
private function loadAttributes()
{
if (!$this->attributes) {
$stmt = $this->table->select();
$stmt->from($this->getAttributeTableName());
if (is_callable($this->attributeFilterCallback)) {
$stmt = call_user_func($this->attributeFilterCallback, $stmt);
}
$out = array();
$rs = $this->table->getAdapter()->fetchAll($stmt);
foreach ($rs as $row) {
if ($this->deletedIndex && isset($row[$this->deletedIndex]) && $row[$this->deletedIndex]) {
continue;
}
$name = 'eav_' . $row['attribute_id'];
$out[$name] = $row;
}
$this->attributes = $out;
}
return $this->attributes;
}
