Aggregator Sites Are Losing Traffic As Search Engines Change Rules
To improve the performance of this operation, it is often suggested to turn the sorted input property on, and pass the output of a sorter transformation (with keys = group by ports) to the aggregator. My. This can be achieved in the following three steps :- 1) Expression transformation :- use a iff condition to define the columns with the particular string and where err_cd=0 2) Aggregator :-Then use the. Hi Prasanna, I think in this scenario we should use sorted to get distinct records.Because to get distinct data from aggregator we need to select all ports as a groupby. So aggregrator will take some time. Informatica itself and user base always recommend to use Sorter and then use Aggregator transformation with sorted input to achieve good performance. I would like to know why, technically.. Aggregator - GroupBy In an aggregator, if you do NOT have 'Sorted Input' selected and input to the aggregator is not sorted, will the output from the aggregator be ordered (sorted) by the 'GroupBy' ports?
Hi , In the Informatica documentation for the aggregator I see the following : When selecting multiple group by ports in the Aggregator transformation, the Integration Service uses port order to determine. Aggregator transformation without selecting group by clause!! If we ignore to select group by clause in an aggregator transformation ,what will be the output? I was avoiding Aggregator Transformation and Function thinking it would slow down the performance looking into the number of records. Please suggest the best approach to achieve my task. Hi All, I am using Aggregator transformation in my mapping. Example details: Name Serial No Address Hari 1111 47, New street Hari 1111 Bangalore Hari 1111 Karnataka Suresh 2222 50 Old Street Suresh.
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