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I'm new with Azure Data Factory and their data flows. I've created a data flow that compares existing and new data based on an md5hash and writes the inserts/updates to a parquet file in ADLS. However, when writing to the sink with folder path: containername/target with filename option Pattern and the pattern being concat($TargetFileName, toString(currentUTC())), it created a folder 'target' (as I would expect) but also an empty blob named 'target', which I don't understand and can't seem to figure out why it also creates a file. Any suggestions on how to stop it from creating the target file?

sink

sink settings

anne
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1 Answers1

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If you are using Azure Blob Store as the target and creating a new folder, ADF must place an empty file in that new folder in order to create that folder. This is an Azure Blob Store requirement.

Mark Kromer MSFT
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