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https://issues.apache.org/jira/browse/FLINK-36898?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hanyu Zheng updated FLINK-36898:
--------------------------------
    Summary: Support SQL FLOOR and CEIL functions with NanoSecond and 
MicroSecond for TIMESTAMP_TLZ  (was: Support SQL FLOOR and CEIL functions with 
NanoSecond for TIMESTAMP_TLZ)

> Support SQL FLOOR and CEIL functions with NanoSecond and MicroSecond for 
> TIMESTAMP_TLZ
> --------------------------------------------------------------------------------------
>
>                 Key: FLINK-36898
>                 URL: https://issues.apache.org/jira/browse/FLINK-36898
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Hanyu Zheng
>            Assignee: Hanyu Zheng
>            Priority: Major
>
> Currently, Flink does not support nanosecond precision for the CEIL and FLOOR 
> functions. This limitation exists because Flink does not have a data type 
> with precision greater than nanoseconds. To introduce support for nanoseconds 
> in these functions, we need do some research and find an feasible way to 
> support nanoSecond.



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