Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1398#discussion_r143612947
--- Diff:
core/src/main/java/org/apache/carbondata/core/metadata/datatype/DataType.java
---
@@ -34,11 +34,13 @@
STRUCT(10, "STRUCT", -1),
MAP(11, "MAP", -1),
BYTE(12, "BYTE", 1),
-
// internal use only, for variable length data type
BYTE_ARRAY(13, "BYTE_ARRAY", -1),
+
// internal use only, for value compression from integer/long to 3 bytes
value
- SHORT_INT(14, "SHORT_INT", 3);
+ SHORT_INT(14, "SHORT_INT", 3),
+ // Only for internal use for backward compatability
--- End diff --
mentioning it is for V1 and V2 format only
---
