Hello @Venkatesh Srinivasan ,
Thanks for the question and using MS Q&A platform.
As we understand the ask here is to ensure the incoming data has the correct type ?
Instead of using Assertions, why not leverage the Validate schema
option in source settings? This feature is available for Dataset sources, but not for Inline sources. Setting Validate schema
to true will cause the Data Flow to fail when there is a mismatch between the schema defined in the projection, and the schema read in.
You will also want to turn off Allow schema drift
.
Please do let me if you have any queries.
Thanks
Martin
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