mapleFU commented on code in PR #43760:
URL: https://github.com/apache/arrow/pull/43760#discussion_r1734676661
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cpp/src/arrow/compute/light_array_internal.cc:
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@@ -235,6 +237,7 @@ void ResizableArrayData::Clear(bool release_buffers) {
Status ResizableArrayData::ResizeFixedLengthBuffers(int num_rows_new) {
ARROW_DCHECK(num_rows_new >= 0);
+ ARROW_DCHECK(data_type_ != nullptr);
Review Comment:
> Why do we need this (and several other similar) check? I think we can
assume that these functions will always be called after an Init call, where
data_type_ would be set to a non-null.
I just `DCHECK(data_type_)` to `DCHECK it's initialized`
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