[teiid-issues] [JBoss JIRA] (TEIID-2246) Incorrect results with TIMESTAMPDIFF

[Van Halbert (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Van Halbert updated TEIID-2246:
-------------------------------

    Attachment: TestFunction.java.patch

    
> Incorrect results with TIMESTAMPDIFF
> ------------------------------------
>
>                 Key: TEIID-2246
>                 URL: https://issues.jboss.org/browse/TEIID-2246
>             Project: Teiid
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 7.4.4
>            Reporter: Van Halbert
>            Assignee: Van Halbert
>         Attachments: FunctionMethods.java.patch, TestFunction.java.patch
>
>
> 2 issues with TIMESTAMPDIFF:
> 1. 
> select TIMESTAMPDIFF(SQL_TSI_DAY,parseDate('2012-01-01', 'yyyy-MM-dd'),parseDate('2304-04-12', 'yyyy-MM-dd'));
> result = 106751
> If you increase the end date by 1 day:
> select TIMESTAMPDIFF(SQL_TSI_DAY,parseDate('2012-01-01', 'yyyy-MM-dd'),parseDate('2304-04-13', 'yyyy-MM-dd'))
> result = -106751.  I would expected the answer to be 106752
> 2.  Both MS Excel and Oracle give the number of days between 1-Jan-2012 and 12-Apr-2304 as 106752, not the 106751 that EDS is reporting.

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