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FAQ: Can an input port be used in the SQL Override query for a Lookup transformation?
Answer

You cannot refer an input port for a Lookup SQL override.

When the session initializes, it creates the SQL query and caches it. When caching the query, there is no way to predict the data for the port when it reaches the Lookup.

In the Lookup Transformation, if any database column has to be compared with the Input port, then you will have to specify the column as conditions in the Condition tab. You should not include the Input port in the SQL override query in the Lookup transformation.

If you equate the Lookup port with an Input port in the SQL override, then the Invalid identifier error is displayed in the status bar.


More Information

Applies To
Product: PowerCenter
Problem Type:
User Type: Administrator
Project Phase:
Product Version: PowerCenter
Database:
Operating System:
Other Software:

Reference

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Last Modified Date:3/30/2012 3:00 AMID:20368
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