rohityadav1993 commented on code in PR #11983: URL: https://github.com/apache/pinot/pull/11983#discussion_r1551701865
########## pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/BaseTableUpsertMetadataManager.java: ########## @@ -61,11 +62,12 @@ public void init(TableConfig tableConfig, Schema schema, TableDataManager tableD PartialUpsertHandler partialUpsertHandler = null; if (upsertConfig.getMode() == UpsertConfig.Mode.PARTIAL) { Map<String, UpsertConfig.Strategy> partialUpsertStrategies = upsertConfig.getPartialUpsertStrategies(); - Preconditions.checkArgument(partialUpsertStrategies != null, + String rowMergerCustomImplementation = upsertConfig.getPartialUpsertMergerClass(); + Preconditions.checkArgument( + StringUtils.isNotBlank(rowMergerCustomImplementation) || partialUpsertStrategies != null, Review Comment: If the checks are moved down to `PartialUpsertHandler`, the create table API response is success but the table goes in error state. This check would pro-actively fail table creation. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org