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Add delete support to Hoodie (#85)

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This commit is contained in:
siddharthagunda
2017-03-04 01:33:49 -08:00
committed by prazanna
parent 41e08018fc
commit 348a48aa80
16 changed files with 241 additions and 68 deletions
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25
hoodie-client/src/test/java/com/uber/hoodie/common/HoodieTestDataGenerator.java
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@@ -34,10 +34,7 @@ import org.apache.hadoop.fs.Path;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.UUID;
import java.util.*;
/**
* Class to be used in tests to keep generating test inserts and updates against a corpus.
@@ -100,6 +97,26 @@ public class HoodieTestDataGenerator {
return inserts;
}
public List<HoodieRecord> generateDeletes(String commitTime, int n) throws IOException {
List<HoodieRecord> inserts = generateInserts(commitTime, n);
return generateDeletesFromExistingRecords(inserts);
}
public List<HoodieRecord> generateDeletesFromExistingRecords(List<HoodieRecord> existingRecords) throws IOException {
List<HoodieRecord> deletes = new ArrayList<>();
for (HoodieRecord existingRecord: existingRecords) {
HoodieRecord record = generateDeleteRecord(existingRecord);
deletes.add(record);
}
return deletes;
}
public HoodieRecord generateDeleteRecord(HoodieRecord existingRecord) throws IOException {
HoodieKey key = existingRecord.getKey();
TestRawTripPayload payload = new TestRawTripPayload(Optional.empty(), key.getRecordKey(), key.getPartitionPath(), null, true);
return new HoodieRecord(key, payload);
}
public List<HoodieRecord> generateUpdates(String commitTime, List<HoodieRecord> baseRecords) throws IOException {
List<HoodieRecord> updates = new ArrayList<>();

32
hoodie-client/src/test/java/com/uber/hoodie/common/TestRawTripPayload.java
View File

@@ -27,6 +27,7 @@ import org.apache.commons.io.IOUtils;
import java.io.*;
import java.util.Map;
import java.util.Optional;
import java.util.zip.Deflater;
import java.util.zip.DeflaterOutputStream;
import java.util.zip.InflaterInputStream;
@@ -41,12 +42,22 @@ public class TestRawTripPayload implements HoodieRecordPayload<TestRawTripPayloa
private String rowKey;
private byte[] jsonDataCompressed;
private int dataSize;
private boolean isDeleted;
public TestRawTripPayload(String jsonData, String rowKey, String partitionPath, String schemaStr) throws IOException {
this.jsonDataCompressed = compressData(jsonData);
this.dataSize = jsonData.length();
public TestRawTripPayload(Optional<String> jsonData, String rowKey, String partitionPath,
String schemaStr, Boolean isDeleted) throws IOException {
if(jsonData.isPresent()) {
this.jsonDataCompressed = compressData(jsonData.get());
this.dataSize = jsonData.get().length();
}
this.rowKey = rowKey;
this.partitionPath = partitionPath;
this.isDeleted = isDeleted;
}
public TestRawTripPayload(String jsonData, String rowKey, String partitionPath,
String schemaStr)throws IOException {
this(Optional.of(jsonData), rowKey, partitionPath, schemaStr, false);
}
public TestRawTripPayload(String jsonData) throws IOException {
@@ -55,6 +66,7 @@ public class TestRawTripPayload implements HoodieRecordPayload<TestRawTripPayloa
Map<String, Object> jsonRecordMap = mapper.readValue(jsonData, Map.class);
this.rowKey = jsonRecordMap.get("_row_key").toString();
this.partitionPath = jsonRecordMap.get("time").toString().split("T")[0].replace("-", "/");
this.isDeleted = false;
}
public String getPartitionPath() {
@@ -66,20 +78,24 @@ public class TestRawTripPayload implements HoodieRecordPayload<TestRawTripPayloa
return another;
}
@Override public IndexedRecord combineAndGetUpdateValue(IndexedRecord oldRec, Schema schema) throws IOException {
@Override public Optional<IndexedRecord> combineAndGetUpdateValue(IndexedRecord oldRec, Schema schema) throws IOException {
return this.getInsertValue(schema);
}
@Override public IndexedRecord getInsertValue(Schema schema) throws IOException {
MercifulJsonConverter jsonConverter = new MercifulJsonConverter(schema);
return jsonConverter.convert(getJsonData());
@Override public Optional<IndexedRecord> getInsertValue(Schema schema) throws IOException {
if(isDeleted){
return Optional.empty();
} else {
MercifulJsonConverter jsonConverter = new MercifulJsonConverter(schema);
return Optional.of(jsonConverter.convert(getJsonData()));
}
}
public String getRowKey() {
return rowKey;
}
public String getJsonData() throws IOException {
private String getJsonData() throws IOException {
return unCompressData(jsonDataCompressed);
}