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From Kasper Sørensen (JIRA) <j...@apache.org>
Subject [jira] [Created] (METAMODEL-63) DataContext or DataSet that behaves like a union, across separate DataContexts
Date Sun, 29 Jun 2014 20:07:25 GMT
Kasper Sørensen created METAMODEL-63:
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             Summary: DataContext or DataSet that behaves like a union, across separate DataContexts
                 Key: METAMODEL-63
                 URL: https://issues.apache.org/jira/browse/METAMODEL-63
             Project: Metamodel
          Issue Type: New Feature
            Reporter: Kasper Sørensen


I have a customer request that we can work on several similar single-table DataContexts as
if they are one. In the concrete example it's a set of CSV files all with the same headers
etc.

Similar to how METAMODEL-61 describes a DataContext with multiple CSV files in a folder, and
how we currently have the CompositeDataContext implementation, this implementation would be
a wrapper of other DataContexts, but offering them all in a UNION like fashion where they
are virtually all part of the same table.



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