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https://issues.apache.org/jira/browse/OFBIZ-3575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14581669#comment-14581669
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Neeraj Kumawat commented on OFBIZ-3575:
---------------------------------------
I tried this patch set with ofbiz 12.04 release. When i specify entity name
in <member-entity> of <union-view-entity>, in that case it's working fine. But
when i created a view-entity and specifying this view entity name in
<member-entity> of <union-view-entity>, than it's not generating query and
showing some exception.
So for resolving that issue i replace "entityBuf.append(entry.getKey() + "." +
ModelUtil.javaNameToDbName(alias.getField()));"
to "entityBuf.append(entry.getKey() + "." +
entity.getField(alias.getField()).getColName());" in appendUnionViewEntitySQL(0
method of SqlJdbcUtil.java file.
> Union view entity support
> -------------------------
>
> Key: OFBIZ-3575
> URL: https://issues.apache.org/jira/browse/OFBIZ-3575
> Project: OFBiz
> Issue Type: New Feature
> Components: framework
> Affects Versions: Trunk
> Reporter: Bob Morley
> Assignee: Adam Heath
> Attachments: OFBIZ-3575.patch, OFBIZ-3575_UnionViewEntitySupport.patch
>
>
> As per conversion titled "entity-engine union support"
> (http://n4.nabble.com/entity-engine-union-support-td1607240.html#a1607240);
> here is the basic union support that we had added into our Ofbiz project. I
> have changed a little of the xml schema here ... the premise is that a
> "UnionViewEntity" extends the standard "ViewEntity" and contains a list of
> union members that it will union together. There should only be changes to
> the ModelReader to instantiate the new model object and then in SqlJdbcUtil
> to handle generating the new sql for unions. I have included a very small
> unit test that executes a findList against a test union.
> Here is sample sql that was generated:
> SELECT uva.UNION_ID, uva.TESTING_NAME, uva.TESTING_SIZE, uva.TESTING_DATE
> FROM ( SELECT T1.TESTING_ID AS UNION_ID, T1.TESTING_NAME AS TESTING_NAME,
> T1.TESTING_SIZE AS TESTING_SIZE, T1.TESTING_DATE AS TESTING_DATE FROM TESTING
> T1 UNION SELECT T2.TESTING_TYPE_ID AS UNION_ID, T2.TESTING_NAME AS
> TESTING_NAME, T2.TESTING_SIZE AS TESTING_SIZE, T2.TESTING_DATE AS
> TESTING_DATE FROM TESTING T2 ) uva
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