Function rpad_impl

pub fn rpad_impl<'a, StringArrType, FillArrType, StringArrayLen>(
    string_array: StringArrType,
    length_array: &Int64Array,
    fill_array: Option<FillArrType>,
) -> Result<ArrayRef>
where
    StringArrType: StringArrayType<'a>,
    FillArrType: StringArrayType<'a>,
    StringArrayLen: OffsetSizeTrait,

Available on crate feature unicode_expressions only.

Extends the string to length ‘length’ by appending the characters fill (a space by default). If the string is already longer than length then it is truncated. rpad(‘hi’, 5, ‘xy’) = ‘hixyx’