Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/412#discussion_r91839108
--- Diff:
core/src/main/java/org/apache/carbondata/scan/result/vector/CarbonColumnVector.java
---
@@ -0,0 +1,29 @@
+package org.apache.carbondata.scan.result.vector;
+
+import org.apache.spark.sql.types.Decimal;
+
+public interface CarbonColumnVector {
+
+ public void putShort(int rowId, short value);
+
+ public void putInt(int rowId, int value);
+
+ public void putLong(int rowId, long value);
+
+ public void putDecimal(int rowId, Decimal value, int precision);
+
+ public void putDouble(int rowId, double value);
+
+ public void putBytes(int rowId, byte[] value);
+
+ public void putBytes(int rowId, int offset, int length, byte[] value);
--- End diff --
`ColumnarVectorWrapper` is the implementation class for this interface
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