codope commented on code in PR #7961:
URL: https://github.com/apache/hudi/pull/7961#discussion_r1108758019
##########
hudi-common/src/main/java/org/apache/hudi/common/model/DefaultHoodieRecordPayload.java:
##########
@@ -37,8 +37,10 @@
* 1. preCombine - Picks the latest delta record for a key, based on an
ordering field 2. combineAndGetUpdateValue/getInsertValue - Chooses the latest
record based on ordering field value.
*/
public class DefaultHoodieRecordPayload extends OverwriteWithLatestAvroPayload
{
-
+ private static final String DEFAULT_DELETE_MARKER = "false";
public static final String METADATA_EVENT_TIME_KEY =
"metadata.event_time.key";
+ public static final String DELETE_KEY = "hoodie.payload.delete.field";
+ public static final String DELETE_MARKER = "hoodie.payload.delete.marker";
Review Comment:
I think we should have a validation that if DELETE_KEY is set then
DELETE_MARKER should also be set? Is there any point of one being present
without the other?
##########
hudi-common/src/main/java/org/apache/hudi/common/model/DefaultHoodieRecordPayload.java:
##########
@@ -71,18 +73,38 @@ public Option<IndexedRecord>
combineAndGetUpdateValue(IndexedRecord currentValue
/*
* Now check if the incoming record is a delete record.
*/
- return Option.of(incomingRecord);
+ return isDeleteRecord(incomingRecord, properties) ? Option.empty() :
Option.of(incomingRecord);
}
@Override
public Option<IndexedRecord> getInsertValue(Schema schema, Properties
properties) throws IOException {
- if (recordBytes.length == 0 || isDeletedRecord) {
+ if (recordBytes.length == 0) {
return Option.empty();
}
GenericRecord incomingRecord = HoodieAvroUtils.bytesToAvro(recordBytes,
schema);
eventTime = updateEventTime(incomingRecord, properties);
- return Option.of(incomingRecord);
+ return isDeleteRecord(incomingRecord, properties) ? Option.empty() :
Option.of(incomingRecord);
+ }
+
+ /**
+ * @param genericRecord instance of {@link GenericRecord} of interest.
+ * @param properties payload related properties
+ * @returns {@code true} if record represents a delete record. {@code false}
otherwise.
+ */
+ protected boolean isDeleteRecord(GenericRecord genericRecord, Properties
properties) {
+ final String deleteKey = properties.getProperty(DELETE_KEY);
+ if (deleteKey == null) {
+ return super.isDeleteRecord(genericRecord);
Review Comment:
Agree, DELETE_MARKER should be set if DELETE_KEY is not null. However, if it
is null then calling the parent implementation is fine.
##########
hudi-common/src/main/java/org/apache/hudi/common/model/DefaultHoodieRecordPayload.java:
##########
@@ -71,18 +73,38 @@ public Option<IndexedRecord>
combineAndGetUpdateValue(IndexedRecord currentValue
/*
* Now check if the incoming record is a delete record.
*/
- return Option.of(incomingRecord);
+ return isDeleteRecord(incomingRecord, properties) ? Option.empty() :
Option.of(incomingRecord);
}
@Override
public Option<IndexedRecord> getInsertValue(Schema schema, Properties
properties) throws IOException {
- if (recordBytes.length == 0 || isDeletedRecord) {
+ if (recordBytes.length == 0) {
return Option.empty();
}
GenericRecord incomingRecord = HoodieAvroUtils.bytesToAvro(recordBytes,
schema);
eventTime = updateEventTime(incomingRecord, properties);
- return Option.of(incomingRecord);
+ return isDeleteRecord(incomingRecord, properties) ? Option.empty() :
Option.of(incomingRecord);
+ }
+
+ /**
+ * @param genericRecord instance of {@link GenericRecord} of interest.
+ * @param properties payload related properties
+ * @returns {@code true} if record represents a delete record. {@code false}
otherwise.
+ */
+ protected boolean isDeleteRecord(GenericRecord genericRecord, Properties
properties) {
Review Comment:
Can we add a test to cover this scenario?
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