[jira] [Created] (FLINK-18346) Support partition pruning for lookup table source

[Shang Yuanchun (Jira)]

Jingsong Lee created FLINK-18346:
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             Summary: Support partition pruning for lookup table source
                 Key: FLINK-18346
                 URL: https://issues.apache.org/jira/browse/FLINK-18346
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Jingsong Lee
             Fix For: 1.12.0


Especially for Filesystem lookup table source, it stores all records in memory, if there is partition pruning, for partitioned table, can reduce memory effectively for lookup table source.



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