/**
* Builds the string for the SQL assignment operation of the given column.
*
* @param string $tableName A table name.
* @param string $columnName A column name.
* @param string $value A value to assign.
*
* @return string
*/
public function prepareAssignment($tableName, $columnName, $value)
{
$tableField = $this->connection->getTableField($tableName, $columnName);
return $this->quote($columnName) . ' = ' . $this->convertToDb($value, $tableField);
}
protected function upDbHelpers()
{
if (!$this->connection->getTableField('b_disk_object', 'WEBDAV_ELEMENT_ID')) {
$this->connection->queryExecute("ALTER TABLE b_disk_object ADD WEBDAV_ELEMENT_ID INT");
}
if (!$this->connection->getTableField('b_disk_object', 'WEBDAV_SECTION_ID')) {
$this->connection->queryExecute("ALTER TABLE b_disk_object ADD WEBDAV_SECTION_ID INT");
}
if (!$this->connection->getTableField('b_disk_object', 'WEBDAV_IBLOCK_ID')) {
$this->connection->queryExecute("ALTER TABLE b_disk_object ADD WEBDAV_IBLOCK_ID INT");
}
if (!$this->connection->getTableField('b_disk_version', 'BP_VERSION_ID')) {
$this->connection->queryExecute("ALTER TABLE b_disk_version ADD BP_VERSION_ID INT");
}
try {
$this->connection->createIndex('b_disk_storage', 'IX_TMP_DISK_S_1', 'ROOT_OBJECT_ID');
$this->connection->createIndex('b_disk_object', 'IX_TMP_DISK_E_2', 'WEBDAV_ELEMENT_ID');
$this->connection->createIndex('b_disk_object', 'IX_TMP_DISK_S_2', 'WEBDAV_SECTION_ID');
$this->connection->createIndex('b_disk_object', 'IX_TMP_DISK_IIS_2', 'WEBDAV_IBLOCK_ID');
} catch (Exception $e) {
}
}