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How to pass variable in the  Netezza/Postgresql query?

Posted on 2009-05-07
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Last Modified: 2013-11-10
In Netezza database i have table called TableA. This table has many vendor details. Now i need to create .CSV file for each vendor details in the particular folder. File name like "VendorNo_YYYYMMDD.csv" with the help of "create external table command". First thing I don't know how to loop through each vendor no in Netezza query.
 
So i plan to use SQL Server SSIS package. And loop through each vendor number and try to pass this vendor number variable in where condition. Since Netezza doesn't have Stored procedure option with our existing version, i don't know how to pass vendor number variable in the where condition.
 
This task i need to do every day.
 
Please help me. Thanks in advance.
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Question by:PKTG
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Expert Comment

by:PedroCGD
ID: 24334813
Which is the source you are using to get data from PostgreSQL?
You should pass the query to the source as an expression... inside a for each loop...
Regards,
Pedro
www.pedrocgd.blogspot.com
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Author Comment

by:PKTG
ID: 24337453
I am using Netezza database . It is almost similar to Postgresql. Can you please explain little more. Or if you have example please share with me. I need to pass same query but different venodr no every time in the where class.
Select * from TableA where vendor_No= vintvendorno  -- it is variable name for vendor number.
Thanks
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by:PedroCGD
ID: 24337630
no... the source component you are using in SSIS... OLEDB Destination? Data Reader Source?
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Author Comment

by:PKTG
ID: 24340375
ODBC conectivity. SOme time i used OLEDB also to connect Netezza.
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PedroCGD earned 500 total points
ID: 24352355
PKTG,
Add a dataflow to your control flow.
In the connection manager create a ADO.NET connection
Inside dataflow add a Data Reader Source and add a SQL query...
ok?
Now, to set it dinamically, go to dataflow, go to properties and pass the query insert before as an expression... see the attached image...
helped?
regards,
Pedro
www.pedrocgd.blogspot.com
SSIS-Expression.JPG
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