getIndexName

string|null public
\Bitrix\Main\DB\MssqlConnection::getIndexName(
 string $tableName,
 array $columns,
 boolean $strict = false
);

This non-static method returns index name.

Parameter	Description	Version
$tableName	Table name.
$columns	Array of index columns.
$strict	This flag sets requirement for index columns to precisely match with columns in the parameter $Columns.