leesf commented on a change in pull request #2645:
URL: https://github.com/apache/hudi/pull/2645#discussion_r614125206
##########
File path:
hudi-common/src/main/java/org/apache/hudi/common/model/DefaultHoodieRecordPayload.java
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@@ -97,4 +86,20 @@ public DefaultHoodieRecordPayload(Option<GenericRecord>
record) {
}
return metadata.isEmpty() ? Option.empty() : Option.of(metadata);
}
+
+ protected boolean noNeedUpdatePersistedRecord(IndexedRecord currentValue,
+ IndexedRecord incomingRecord,
Properties properties) {
+ /*
+ * Combining strategy here returns currentValue on disk if incoming record
is older.
+ * The incoming record can be either a delete (sent as an upsert with
_hoodie_is_deleted set to true)
+ * or an insert/update record. In any case, if it is older than the record
in disk, the currentValue
+ * in disk is returned (to be rewritten with new commit time).
+ *
+ * NOTE: Deletes sent via EmptyHoodieRecordPayload and/or Delete operation
type do not hit this code path
+ * and need to be dealt with separately.
+ */
+ Object persistedOrderingVal = getNestedFieldVal((GenericRecord)
currentValue,
properties.getProperty(HoodiePayloadProps.PAYLOAD_ORDERING_FIELD_PROP), true);
+ Comparable incomingOrderingVal = (Comparable)
getNestedFieldVal((GenericRecord) incomingRecord,
properties.getProperty(HoodiePayloadProps.PAYLOAD_ORDERING_FIELD_PROP), false);
Review comment:
pls split into two lines for better readability.
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