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.

1 files changed, 3 insertions, 2 deletions

diff --git a/contrib/native/client/src/include/drill/protobuf/Types.pb.h b/contrib/native/client/src/include/drill/protobuf/Types.pb.h
index f9200ec09..b1dec7bd6 100644
--- a/contrib/native/client/src/include/drill/protobuf/Types.pb.h
+++ b/contrib/native/client/src/include/drill/protobuf/Types.pb.h
@@ -74,11 +74,12 @@ enum MinorType {
   INTERVALDAY = 39,
   LIST = 40,
   GENERIC_OBJECT = 41,
-  UNION = 42
+  UNION = 42,
+  VARDECIMAL = 43
 };
 bool MinorType_IsValid(int value);
 const MinorType MinorType_MIN = LATE;
-const MinorType MinorType_MAX = UNION;
+const MinorType MinorType_MAX = VARDECIMAL;
 const int MinorType_ARRAYSIZE = MinorType_MAX + 1;
 
 const ::google::protobuf::EnumDescriptor* MinorType_descriptor();