[GitHub] HeartSaVioR opened a new pull request #23747: [WIP][SPARK-26848][SQL] Introduce new option to Kafka source: offset by timestamp (starting/ending)

[GitBox <gi...@apache.org>]

HeartSaVioR opened a new pull request #23747: [WIP][SPARK-26848][SQL] Introduce new option to Kafka source: offset by timestamp (starting/ending)
URL: https://github.com/apache/spark/pull/23747
 
 
   ## What changes were proposed in this pull request?
   
   This patch introduces new options "startingOffsetsByTimestamp" and "endingOffsetsByTimestamp" to set specific timestamp per topic (since we're unlikely to set the different value per partition) to let source starts reading from offsets which have equal of greater timestamp, and ends reading until offsets which have equal of greater timestamp.
   
   The new option would be optional of course, and take preference over existing offset options.
   
   TODO:
   - documentation [ ]
   - scalastyle (if any) [ ]
   
   ## How was this patch tested?
   
   New unit tests added.
   
   TODO:
   - end-to-end test on actual Kafka cluster [ ]

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