Function datafusion_physical_expr::string_expressions::concat_ws

pub fn concat_ws(args: &[ArrayRef]) -> Result<ArrayRef>

Concatenates all but the first argument, with separators. The first argument is used as the separator string, and should not be NULL. Other NULL arguments are ignored. concat_ws(‘,’, ‘abcde’, 2, NULL, 22) = ‘abcde,2,22’