Jark Wu created FLINK-16332:
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Summary: Support un-ordered mode for async lookup join
Key: FLINK-16332
URL: https://issues.apache.org/jira/browse/FLINK-16332
Project: Flink
Issue Type: New Feature
Components: Table SQL / API, Table SQL / Planner
Reporter: Jark Wu
Currently, we only support "ordered" mode for async lookup join. Because the
ordering in streaming SQL is very important, the accumulate and retract
messages shoudl be in ordered. If messages are out of order, the result will be
wrong.
The "un-ordered" mode can be enabled by a job configuration. But it will be a
prefered option. Only if it doesn't affect the order of acc/retract messages
(e.g. it is just an append-only stream), the "un-ordered" mode will be enabled.
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