lincoln lee created FLINK-29091:
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Summary: Correct RAND and RAND_INTEGER function to evaluate once
at query-level for batch mode
Key: FLINK-29091
URL: https://issues.apache.org/jira/browse/FLINK-29091
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Reporter: lincoln lee
RAND and RAND_INTEGER are dynamic function, it should only evaluate once at
query-level (not per record) for batch mode, FLINK-21713 did the similar fix
for temporal functions.
Note: this a break change for batch jobs
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