yihua commented on code in PR #13046:
URL: https://github.com/apache/hudi/pull/13046#discussion_r2019615082
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/upgrade/EightToSevenDowngradeHandler.java:
##########
@@ -161,19 +166,27 @@ static void unsetInitialVersion(HoodieTableConfig
tableConfig, Map<ConfigPropert
tableConfig.getProps().remove(HoodieTableConfig.INITIAL_VERSION.key());
}
- static void unsetRecordMergeMode(HoodieTableConfig tableConfig,
Map<ConfigProperty, String> tablePropsToAdd) {
- Triple<RecordMergeMode, String, String> mergingConfigs =
- HoodieTableConfig.inferCorrectMergingBehavior(
- tableConfig.getRecordMergeMode(), tableConfig.getPayloadClass(),
- tableConfig.getRecordMergeStrategyId(),
tableConfig.getPreCombineField(),
- tableConfig.getTableVersion());
- if (StringUtils.nonEmpty(mergingConfigs.getMiddle())) {
- tablePropsToAdd.put(HoodieTableConfig.PAYLOAD_CLASS_NAME,
mergingConfigs.getMiddle());
- }
- if (StringUtils.nonEmpty(mergingConfigs.getRight())) {
- tablePropsToAdd.put(HoodieTableConfig.RECORD_MERGE_STRATEGY_ID,
mergingConfigs.getRight());
+ static List<ConfigProperty> unsetRecordMergeMode(HoodieWriteConfig config,
HoodieTableConfig tableConfig, Map<ConfigProperty, String> tablePropsToAdd) {
+ String payloadClass = tableConfig.getPayloadClass();
+ if (StringUtils.isNullOrEmpty(payloadClass)) {
+ RecordMergeMode mergeMode = tableConfig.getRecordMergeMode();
+ switch (mergeMode) {
+ case EVENT_TIME_ORDERING:
+ tablePropsToAdd.put(HoodieTableConfig.PAYLOAD_CLASS_NAME,
DefaultHoodieRecordPayload.class.getName());
+ break;
+ case COMMIT_TIME_ORDERING:
+ tablePropsToAdd.put(HoodieTableConfig.PAYLOAD_CLASS_NAME,
OverwriteWithLatestAvroPayload.class.getName());
+ break;
+ case CUSTOM:
+ throw new HoodieUpgradeDowngradeException("Custom payload class must
be available for downgrading custom merge mode");
+ default:
+ throw new HoodieUpgradeDowngradeException("Downgrade is not handled
for " + mergeMode);
+ }
}
- tableConfig.getProps().remove(HoodieTableConfig.RECORD_MERGE_MODE.key());
+ tablePropsToAdd.put(
+ HoodieTableConfig.RECORD_MERGE_STRATEGY_ID,
Review Comment:
Let's make sure the config key is the same as 0.14 release.
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