Function arrow::compute::kernels::concat_elements::concat_elements_utf8_many
source ยท pub fn concat_elements_utf8_many<Offset>(
arrays: &[&GenericByteArray<GenericStringType<Offset>>],
) -> Result<GenericByteArray<GenericStringType<Offset>>, ArrowError>where
Offset: OffsetSizeTrait,
Expand description
Returns the elementwise concatenation of StringArray
.
e.g:
["a", "b"] + [None, "c"] + [None, "d"] = [None, "bcd"]
An error will be returned if the StringArray
are of different lengths