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https://issues.jboss.org/browse/TEIIDDES-992?page=com.atlassian.jira.plug...
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Ramesh Reddy commented on TEIIDDES-992:
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No, you still have function model, but only for "true" UDF. we always
inter-mixed UDF with pusdowns. This feature will separate them to their own semantics,
such that when someone says UDF it truly means UDF backed by Java code. Pushdown is just
another function/procedure with special validation in the source model.
In 7.5 if you want get rid of the function model, then you need to introduce
"function" to relational metamodel, so that one can define a function in the
view layer with similar semantics current function model. This assuming we are ok with
changing the format of index files.
Allow the use of pushdown functions without requiring Java
programming
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Key: TEIIDDES-992
URL:
https://issues.jboss.org/browse/TEIIDDES-992
Project: Teiid Designer
Issue Type: Feature Request
Reporter: Bernd Groh
Currently, in order to use a database function, even if pushdown is required, it is still
necessary to add the function interface to a Java class within the connector, and the
connector then must be deployed to the server in order to allow for this pushdown function
to be used within the Designer. This creates a lot of extra effort every time you want to
make use of a new database function. Particularly, given the schema designer doesn't
necessarily have access to either the connector code or the server, and then must involve
other parties simply to be able to use an additional database function. It would be very
beneficial to speedy schema development if that was not necessary, and if, say, the
interface could be defined on the Designer side, added to the VDB, and then deployed as
part of the VDB.
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