[ http://issues.apache.org/jira/browse/IBATIS-150?page=all ]
Sven Boden updated IBATIS-150:
------------------------------
Attachment: iBATIS-SqlMaps-2.sxw
A replacement page for the documentation with another example that should make
groupBy use more clear.
> Requirement and benefit of groupBy attribute is not clear in SQL Maps Dev
> Guide
> -------------------------------------------------------------------------------
>
> Key: IBATIS-150
> URL: http://issues.apache.org/jira/browse/IBATIS-150
> Project: iBatis for Java
> Type: Improvement
> Components: Documentation
> Reporter: Ersin Er
> Priority: Minor
> Attachments: iBATIS-SqlMaps-2.sxw
>
> The example on page 28 of SQL Maps Developer Guide uses "groupBy" attribute's
> requirement and benefit in the SQLMap XML file. The requirement and benefit
> of this attribute is not clear. There are two main reasons for this issue:
> 1) The SQL statement given as an example also uses groupBy (which is really
> not related to the one usen as an XML attribute.)
> 2) The groupBy attribute's value is given as the name of the DB table column
> which also same as the Java class' preperty name.
> Solution:
> 1) A simpler query may be provided so that groupBy attributes requirement and
> benefits becomes clearer.
> 2) Column name and property name may be selected to be different so that it
> becomes clear that groupBy attribute takes a property name as the value.
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