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https://issues.apache.org/jira/browse/OFBIZ-5146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13905492#comment-13905492
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Jacopo Cappellato commented on OFBIZ-5146:
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In my opinion the proposed patch is a good one and could be committed as is, 
even if we are considering an overhaul.
I have used a similar one for a custom project.
We could also slightly change the code (it is a simple change) to allow for any 
unary function in the field definition: of course the db will return an error 
if the function is not supported. In order to do this properly we could add a 
"type" attribute to the field definition to specify the type of the unary 
operator expected by the function.
I understand that there are DBMS that do not support these functions: we could 
fix this in a second phase (this is more complex) by creating all the missing 
function at startup.


> in ModelViewEntity.java, a Map is built with only a few of the SQL functions, 
> extend the map to include the MONTH and Year functions.
> -------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: OFBIZ-5146
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-5146
>             Project: OFBiz
>          Issue Type: Improvement
>          Components: framework
>    Affects Versions: SVN trunk
>            Reporter: Jaideep Singh
>             Fix For: SVN trunk
>
>         Attachments: ModelViewEntity.patch, ModelViewEntity.patch
>
>
> in ModelViewEntity.java, a Map is built with only a few of the SQL functions, 
> extend the map to include the MONTH and Year functions.



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