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https://issues.apache.org/jira/browse/ARROW-969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16357439#comment-16357439
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ASF GitHub Bot commented on ARROW-969:
--------------------------------------
wesm commented on a change in pull request #1574: ARROW-969: [C++] Add
add/remove field functions for RecordBatch
URL: https://github.com/apache/arrow/pull/1574#discussion_r167038477
##########
File path: cpp/src/arrow/record_batch.cc
##########
@@ -78,6 +79,52 @@ class SimpleRecordBatch : public RecordBatch {
std::shared_ptr<ArrayData> column_data(int i) const override { return
columns_[i]; }
+ Status AddColumn(int i, const std::shared_ptr<Field>& field,
+ const std::shared_ptr<ArrayData>& column,
+ std::shared_ptr<RecordBatch>* out) const override {
+ if (i < 0 || i > num_columns() + 1) {
+ return Status::Invalid("Invalid column index");
+ }
+ if (field == nullptr) {
+ std::stringstream ss;
+ ss << "Field " << i << " was null";
+ return Status::Invalid(ss.str());
+ }
+ if (column == nullptr) {
+ std::stringstream ss;
+ ss << "Column " << i << " was null";
+ return Status::Invalid(ss.str());
+ }
Review comment:
I took a look at `SimpleTable::AddColumn`; there `col` is being null-checked
-- I think that should also be a DCHECK
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> [C++/Python] Add add/remove field functions for RecordBatch
> -----------------------------------------------------------
>
> Key: ARROW-969
> URL: https://issues.apache.org/jira/browse/ARROW-969
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++, Python
> Reporter: Wes McKinney
> Assignee: Panchen Xue
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
>
> Analogous to the Table equivalents
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