public __construct ( string $database = null, string $table = null, string $column = null, string $alias = null ) | ||
$database | string | The name of the database or the the expression. the the expression. |
$table | string | The name of the table or the alias of the expression. the alias of the expression. |
$column | string | The name of the column. |
$alias | string | The name of the alias. |