ODI - Issue with handling null value

Hi,
I have a flat file as below. When i am trying to load the data file into Essbase through ODI, i am not able to load. If i given the Null value as 0, i'm able to load the file into Essbase. If we pass 0 in place of null value, blocks will be created in Essbase and it might cause the performance issue.
Account,Product,Customer,Version,Year,BU,Data
A1,P1,C1,V1,2010,BU1,7677
A2,P2,C2,V2,2010,BU2,0908
A3,P3,C3,V1,2010,BU3,
Can any one help if there is any way to handle the null values to load the data into Essbase?
Your help is more important to us as it is one of the critical one we are facing.
Thanks
V D Reddy

Hi
I am not using any query.
Data column is empty (no data) for few records in my flat file. After the data load is done to Hyperion Essbase, in the excel retrieve should show me as #Missing. But ODI is defaultly loading it as 0 into Essbase.
Is there any way to load it as #Missing?
Thanks
V D Reddy

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