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, 1 deletions

diff --git a/protocol/src/main/java/org/apache/drill/common/types/MinorType.java b/protocol/src/main/java/org/apache/drill/common/types/MinorType.java
index dffc912e0..b26cb087d 100644
--- a/protocol/src/main/java/org/apache/drill/common/types/MinorType.java
+++ b/protocol/src/main/java/org/apache/drill/common/types/MinorType.java
@@ -59,7 +59,8 @@ public enum MinorType implements com.dyuproject.protostuff.EnumLite<MinorType>
     INTERVALDAY(39),
     LIST(40),
     GENERIC_OBJECT(41),
-    UNION(42);
+    UNION(42),
+    VARDECIMAL(43);
     
     public final int number;
     
@@ -115,6 +116,7 @@ public enum MinorType implements com.dyuproject.protostuff.EnumLite<MinorType>
             case 40: return LIST;
             case 41: return GENERIC_OBJECT;
             case 42: return UNION;
+            case 43: return VARDECIMAL;
             default: return null;
         }
     }