[teiid-issues] [JBoss JIRA] (TEIID-3282) inconsistencies with the week function

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-3282?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins updated TEIID-3282:
----------------------------------
    Description: 
For consistency we could enforce a standard iso behavior for the week function by default.

For mysql there is the weekofyear function that matches the iso behavior.
hsql uses iso by default
oracle should use iw, not ww

However:
h2 uses the locale (the current teiid behavior)
sqlserver/sybase you can use SET DATEFIRST to move the first day of the week to monday, but the return values are still not fully iso. 

And there are still several others to verify

  was:
For consistency we could enforce a standard iso behavior for the week function by default.

For mysql there is the weekofyear function that matches the iso behavior.
hsql uses iso by default
oracle should use iw, not ww

However:
h2 uses the locale (the current teiid behavior)
sqlserver/sybase you can use SET DATEFIRST to move the first day of the week to monday, but the return values are still not fully iso.  So by default 

And there are still several others to verify



> inconsistencies with the week function
> --------------------------------------
>
>                 Key: TEIID-3282
>                 URL: https://issues.jboss.org/browse/TEIID-3282
>             Project: Teiid
>          Issue Type: Sub-task
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 8.10
>
>
> For consistency we could enforce a standard iso behavior for the week function by default.
> For mysql there is the weekofyear function that matches the iso behavior.
> hsql uses iso by default
> oracle should use iw, not ww
> However:
> h2 uses the locale (the current teiid behavior)
> sqlserver/sybase you can use SET DATEFIRST to move the first day of the week to monday, but the return values are still not fully iso. 
> And there are still several others to verify



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