Union view entity support
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Key: OFBIZ-3575
URL: https://issues.apache.org/jira/browse/OFBIZ-3575
Project: OFBiz
Issue Type: New Feature
Components: framework
Affects Versions: SVN trunk
Reporter: Bob Morley
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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