20.95. Release 0.155
Fix incorrect results when queries contain multiple grouping sets that resolve to the same set.
Fix incorrect results when using
Fix compile failure for outer joins that have a complex join criteria.
Fix error messages for failures during commit.
Fix memory accounting for simple aggregation, top N and distinct queries. These queries may now report higher memory usage than before.
Remove support for the experimental feature to compute approximate queries based on sampled tables.
Properly account for time spent creating page source.
Various optimizations to reduce coordinator CPU usage.
Fix schema evolution support in new Parquet reader.
NoClassDefFoundErrorwhen using Hadoop KMS.
Add support for Avro file format.
Always produce dictionary blocks for DWRF dictionary encoded streams.
Remove legacy connector API.