Jose Torres created SPARK-23701:
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Summary: Multiple sequential watermarks are not supported
Key: SPARK-23701
URL: https://issues.apache.org/jira/browse/SPARK-23701
Project: Spark
Issue Type: Bug
Components: Structured Streaming
Affects Versions: 2.4.0
Reporter: Jose Torres
In 2.3, we allowed query plans with multiple watermarks to run to enable
stream-stream joins. But we've only implemented the functionality for
watermarks in parallel feeding into a join operator. It won't work currently
(and would require in-depth changes) if the watermarks are sequential in the
plan.
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