Wu Xiang created PARQUET-388:
--------------------------------
Summary: ProtoRecordConverter might wrongly cast a Message.Builder
to Message
Key: PARQUET-388
URL: https://issues.apache.org/jira/browse/PARQUET-388
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Reporter: Wu Xiang
ProtoRecordConverter returns current record as follows:
public T getCurrentRecord() {
if (buildBefore) {
return (T) this.reusedBuilder.build();
} else {
return (T) this.reusedBuilder;
}
}
However this might fail if T is subclass of Message and buildBefore == false.
Since it's actually casting a Message.Builder instance to Message type.
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