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Posted to issues@flink.apache.org by "Zhenghua Gao (Jira)" <ji...@apache.org> on 2019/11/21 08:20:00 UTC

[jira] [Closed] (FLINK-14696) Support precision of TimestampType in built-in SQL functions and operators

     [ https://issues.apache.org/jira/browse/FLINK-14696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhenghua Gao closed FLINK-14696.
--------------------------------
    Resolution: Duplicate

> Support precision of TimestampType in built-in SQL functions and operators
> --------------------------------------------------------------------------
>
>                 Key: FLINK-14696
>                 URL: https://issues.apache.org/jira/browse/FLINK-14696
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Planner
>            Reporter: Zhenghua Gao
>            Priority: Major
>
> Many built-in SQL functions and operators use long as internal representation of Timestamp type and only support millisecond precision. This ticket will check fix it and let them support nanosecond precision. The related SQL functions and operators are: 
>  * timestamp compare
>  * timestamp +/- interval
>  * extract function
>  * timestampadd/timestampdiff function
>  * to_timestamp function
>  * cast between timestamp with different precision
>  



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