Normalizing JSON Data in Kafka Topics? SQLStreamBuilder Input Transforms to the Rescue

Input filters allow you to write a javascript function that operates on each message after it’s consumed from Kafka (or any other source) but before you write SQL against it.

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Javascript Functions in Flink with SQLStreamBuilder

Javascript Functions allow you to create arbitrary functions and call them directly from SQL. You con’t need to restart your system, stop your cluster, or compile/recompile anything. Just specify a function and get to business.

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