pitrou commented on a change in pull request #7887:
URL: https://github.com/apache/arrow/pull/7887#discussion_r470062219
##########
File path: cpp/src/arrow/buffer_builder.h
##########
@@ -292,6 +292,11 @@ class TypedBufferBuilder<bool> {
return Status::OK();
}
+ void AppendEmpty(int64_t num_elements) {
Review comment:
We must not leave elements undefined in an array, because it can reveal
previous data. "Empty" values here should still be non-null values of arbitrary
value (but still well-defined).
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
