Function arrow_string::concat_elements::concat_elements_utf8_many
source ยท pub fn concat_elements_utf8_many<Offset: OffsetSizeTrait>(
arrays: &[&GenericStringArray<Offset>],
) -> Result<GenericStringArray<Offset>, ArrowError>
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