Function arrow::compute::kernels::length::length [−][src]
pub fn length(array: &dyn Array) -> Result<ArrayRef>
Expand description
Returns an array of Int32/Int64 denoting the number of bytes in each string in the array.
- this only accepts StringArray/Utf8 and LargeString/LargeUtf8
- length of null is null.
- length is in number of bytes