wgtmac opened a new pull request #543: URL: https://github.com/apache/orc/pull/543
### What changes were proposed in this pull request? 1. Store nanosecond into TimestampColumnStatistics in C++ writer. 2. Be aware of nanosecond in the TimestampColumnStatistics. 3. Adde new functions in TimestampColumnStatistics to get nanosecond while keeping backward compatibility. 4. Fix PPD to utilize nanosecond or use a default value for timestamp columns. ### Why are the changes needed? To be consistent with the java side. ### How was this patch tested? Several new unit tests have been added to TestPredicateLeaf.cc, TestColumnStatistics.cc, and TestSearchArgument.cc. ---------------------------------------------------------------- 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
