org.apache.hudi.table.action.commit

Class HoodieMergeHelper<T extends HoodieRecordPayload>

java.lang.Object

org.apache.hudi.table.action.commit.BaseMergeHelper<T,HoodieData<HoodieRecord<T>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>>

org.apache.hudi.table.action.commit.HoodieMergeHelper<T>

public class HoodieMergeHelper<T extends HoodieRecordPayload>
extends BaseMergeHelper<T,HoodieData<HoodieRecord<T>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hudi.table.action.commit.BaseMergeHelper

BaseMergeHelper.UpdateHandler

Method Summary

Modifier and Type	Method and Description
static HoodieMergeHelper	newInstance()
void	runMerge(HoodieTable<T,HoodieData<HoodieRecord<T>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>> table, HoodieMergeHandle<T,HoodieData<HoodieRecord<T>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>> mergeHandle) Read records from previous version of base file and merge.

Methods inherited from class org.apache.hudi.table.action.commit.BaseMergeHelper

getMergingIterator, transformRecordBasedOnNewSchema

Methods inherited from class java.lang.Object

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

Method Detail

newInstance

public static HoodieMergeHelper newInstance()

runMerge

public void runMerge(HoodieTable<T,HoodieData<HoodieRecord<T>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>> table,
                     HoodieMergeHandle<T,HoodieData<HoodieRecord<T>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>> mergeHandle)
              throws IOException

Description copied from class: BaseMergeHelper

Read records from previous version of base file and merge.

Specified by:

runMerge in class BaseMergeHelper<T extends HoodieRecordPayload,HoodieData<HoodieRecord<T extends HoodieRecordPayload>>,HoodieData<HoodieKey>,HoodieData<WriteStatus>>

Parameters:

table - Hoodie Table

mergeHandle - Merge Handle

Throws:

IOException - in case of error