make the topic field optional in the streaming KafkaOutput #5
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marclamy
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The spark-sql-kafka library allows for a single DataFrameWriter to write to different Kafka topics on the cluster, which isn't possible in the current version of Data I/O.
Making the Topic field optional returns this functionality.
More information on the Kafka Integration Guide for Spark Structured Streaming: https://spark.apache.org/docs/3.2.1/structured-streaming-kafka-integration.html