org.apache.hadoop.hive.serde2.columnar
Class ColumnarStruct

java.lang.Object
  org.apache.hadoop.hive.serde2.columnar.ColumnarStructBase
      org.apache.hadoop.hive.serde2.columnar.ColumnarStruct

All Implemented Interfaces:

SerDeStatsStruct

public class ColumnarStruct
extends ColumnarStructBase

ColumnarStruct is different from LazyStruct in that ColumnarStruct's field Object get parsed at its initialize time when call ColumnarStructBase.init(BytesRefArrayWritable cols), while LazyStruct parse fields in a lazy way.

Constructor Summary

ColumnarStruct(ObjectInspector oi, List<Integer> notSkippedColumnIDs, org.apache.hadoop.io.Text nullSequence)
Construct a ColumnarStruct object with the TypeInfo.

Method Summary

Methods inherited from class org.apache.hadoop.hive.serde2.columnar.ColumnarStructBase

getField, getFieldsAsList, getRawDataSerializedSize, init

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnarStruct

public ColumnarStruct(ObjectInspector oi,
                      List<Integer> notSkippedColumnIDs,
                      org.apache.hadoop.io.Text nullSequence)

Construct a ColumnarStruct object with the TypeInfo. It creates the first level object at the first place

Parameters:

oi - the ObjectInspector representing the type of this LazyStruct.

notSkippedColumnIDs - the column ids that should not be skipped