DRILL-6642: Update protocol-buffers version 1. Updated protobuf to version 3.6.1 2. Added protobuf to the root pom dependency management 3. Added classes BoundedByteString and LiteralByteString for compatibility with HBase 4. Added ProtobufPatcher to provide compatibility with MapR-DB and HBase closes #1639
DRILL-6094: Decimal data type enhancements Add ExprVisitors for VARDECIMAL Modify writers/readers to support VARDECIMAL - Added usage of VarDecimal for parquet, hive, maprdb, jdbc; - Added options to store decimals as int32 and int64 or fixed_len_byte_array or binary; Add UDFs for VARDECIMAL data type - modify type inference rules - remove UDFs for obsolete DECIMAL types Enable DECIMAL data type by default Add unit tests for DECIMAL data type Fix mapping for NLJ when literal with non-primitive type is used in join conditions Refresh protobuf C++ source files Changes in C++ files Add support for decimal logical type in Avro. Add support for date, time and timestamp logical types. Update Avro version to 1.8.2.