When using a sql override in a Source Qualifier you have to keep in mind that you have to forward all the ports from your SQ. If you do not forward all the ports Powercenter will alter the query and will change the order of the columns and this will cause it to return the …
Category: Tips
Feb 10 2011
Informatica Powercenter : UNION in Lookup SQL Override
A couple of weeks ago I came across something strange when using a SQL Override in a Lookup that contained a Union. For example : SELECT VARCHAR_A VAR , NUMBER_B NUM FROM TABLE_A UNION SELECT VARCHAR_C VAR , NUMBER_D NUM FROM TABLE_B When you use VAR in your lookup condition, Powercenter rewrites the query when it …
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