lanyuanxiaoyao/hudi
1
0
Fork 0
Code Activity

1) Separated rollback as a table operation 2) Implement rollback for MOR

Browse Source
This commit is contained in:
Nishith Agarwal
2017-08-17 17:31:55 -07:00
committed by vinoth chandar
parent e1fe3ab937
commit c7d63a7622
28 changed files with 1200 additions and 260 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
hoodie-hadoop-mr/src/main/java/com/uber/hoodie/hadoop/realtime/HoodieRealtimeRecordReader.java
View File

@@ -18,16 +18,12 @@
package com.uber.hoodie.hadoop.realtime;
import com.google.common.collect.Lists;
import com.uber.hoodie.common.model.HoodieAvroPayload;
import com.uber.hoodie.common.model.HoodieRecord;
import com.uber.hoodie.common.table.log.HoodieCompactedLogRecordScanner;
import com.uber.hoodie.common.util.FSUtils;
import com.uber.hoodie.exception.HoodieException;
import com.uber.hoodie.exception.HoodieIOException;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericArray;
import org.apache.avro.generic.GenericFixed;
@@ -49,6 +45,9 @@ import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.RecordReader;
import parquet.avro.AvroSchemaConverter;
import parquet.hadoop.ParquetFileReader;
import parquet.schema.MessageType;
import java.io.IOException;
import java.util.ArrayList;
@@ -56,10 +55,9 @@ import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import parquet.avro.AvroSchemaConverter;
import parquet.hadoop.ParquetFileReader;
import parquet.schema.MessageType;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
/**
* Record Reader implementation to merge fresh avro data with base parquet data, to support real time
@@ -127,7 +125,7 @@ public class HoodieRealtimeRecordReader implements RecordReader<Void, ArrayWrita
HoodieCompactedLogRecordScanner compactedLogRecordScanner =
new HoodieCompactedLogRecordScanner(FSUtils.getFs(), split.getDeltaFilePaths(),
readerSchema);
readerSchema, split.getMaxCommitTime());
// NOTE: HoodieCompactedLogRecordScanner will not return records for an in-flight commit
// but can return records for completed commits > the commit we are trying to read (if using readCommit() API)