cryptoe commented on code in PR #16096:
URL: https://github.com/apache/druid/pull/16096#discussion_r1525794657
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extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/querykit/results/ExportResultsFrameProcessorFactory.java:
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@@ -122,7 +135,8 @@ public ProcessorsAndChannels<Object, Long> makeProcessors(
exportStorageProvider.get(),
frameContext.jsonMapper(),
channelCounter,
- getExportFilePath(queryId, workerNumber,
readableInput.getStagePartition().getPartitionNumber(), exportFormat)
+ getExportFilePath(queryId, workerNumber,
readableInput.getStagePartition().getPartitionNumber(), exportFormat),
+ columnMappings
Review Comment:
If column mappings is passed as null due to having a old controller, then
the job should just fail gracefully no ?
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