vertexclique commented on a change in pull request #8486:
URL: https://github.com/apache/arrow/pull/8486#discussion_r511819768
##########
File path: rust/arrow/src/array/array.rs
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@@ -1540,22 +1540,38 @@ impl<OffsetSize: StringOffsetSizeTrait>
GenericStringArray<OffsetSize> {
offsets.push(length_so_far);
values.extend_from_slice(s.as_bytes());
}
- let array_data = ArrayData::builder(data_type)
+ let array_data = ArrayData::builder(OffsetSize::DATA_TYPE)
.len(v.len())
.add_buffer(Buffer::from(offsets.to_byte_slice()))
.add_buffer(Buffer::from(&values[..]))
.build();
Self::from(array_data)
}
- pub(crate) fn from_opt_vec(v: Vec<Option<&str>>, data_type: DataType) ->
Self {
- let mut offsets = Vec::with_capacity(v.len() + 1);
+ pub(crate) fn from_opt_vec(v: Vec<Option<&str>>) -> Self {
+ let iter = v.iter().map(|e| e.map(|e| e.to_string()));
+ GenericStringArray::from_iter(iter)
+ }
+}
+
+impl<'a, Ptr, OffsetSize: StringOffsetSizeTrait> FromIterator<Ptr>
Review comment:
I meant type params like:
```suggestion
impl<'a, P, OS: StringOffsetSizeTrait> FromIterator<P>
```
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