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https://issues.apache.org/jira/browse/CALCITE-1832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-1832.
----------------------------------
    Resolution: Not A Bug

Marking "not a bug". Behavior is as intended.

Feel free to add a {{int gregorianToJulian(int date)}} method or similar.

> DateTimeUtils dateString to Unix translation error
> --------------------------------------------------
>
>                 Key: CALCITE-1832
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1832
>             Project: Calcite
>          Issue Type: Bug
>          Components: avatica
>    Affects Versions: 1.10.0
>            Reporter: Stefano Bortoli
>
> Using the latest snapshot of Calcite, one of the Apache Flink Test fails. The 
> failure is due to an error in CAST, that relies on Avatica DateTimeUtils.
> I have implemented a simple class test:
> {code}
> public class Test 
> {
>     public static void main( String[] args )
>     {
>        int dateInt = DateTimeUtils.dateStringToUnixDate("1500-03-04");
>        System.out.println(dateInt);
>        System.out.println(DateTimeUtils.unixDateToString(dateInt));
>        
>     }
> }
> {code}
> and the output is:
> {code}
> -171592
> 1500-03-14
> {code}
> it adds an offset of 10 days for some reason. 



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