[jira] [Created] (FLINK-19342) stop overriding convertFrom() in FlinkPlannerImpl after upgrade calcite to 1.23

[Shang Yuanchun (Jira)]

Leonard Xu created FLINK-19342:
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             Summary: stop overriding convertFrom() in FlinkPlannerImpl after upgrade calcite to 1.23
                 Key: FLINK-19342
                 URL: https://issues.apache.org/jira/browse/FLINK-19342
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
            Reporter: Leonard Xu


In FLINK-18548, we override `convertFrom() in FlinkPlannerImpl as a workaround to support  flexible temporal join syntax, however this feature has been supported in calcite 1.23,  we should stop override once we upgrade the calcite,



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