Symptom
If a webi report wirtten on top of a Data Federator virtual DB, contains joins and filters and generates a SQL statement in this form:
select * from table join table2 on table1.id=table2.id and table2.year=2006 and table2.month=12
Data Federator does not push down the constraints table2.year=2006 and table2.month=12 when querying the datasource. Instead it will bring back the joined dataset and filter the records based on the date. In turn the report may be slow to refresh.
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Product
Keywords
Join, Filter, ANSI92, Performance, push down , 1593922 , KBA , EIM-DF , Data Federator (use BI-BIP-DF) , Problem
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