Issue populating Enhaced Virtual Cube Fields

Hi Gurus,
Please help me with the below Issue. I tried a lot on SDN before writing this Post.
Architecture:
I have a Standard Multi-provider - "0FIAR_M30". It has got a Standard Cube: 0FIAR_C30 & a virtual Cube: 0FIAR_R30.
Cube: 0FIAR_C30 is getting Data from R/3 DS: 0FI_AR_3 and Cube: 0FIAR_R30 is getting data from DS: 0FI_AR_30.
I enhaced the two DS for fields: Plant, Sales Org, Created By, Sales Dist.
Data is populating properly in the enhaced fields for standard Cube, but in case of Virtual cube, data is getting loaded only till PSA and but when i am trying to display data for Virtual Cube. No data is getting Populated in the enhaced Fields.
Options Tried:
1. I used Z Info-objects with template of the standard Info-objects. I made all the Attributes of the Z-info-objects as Display wherever the attributes are navigational.
I used the below posts while investigating on the issue:
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a00ba5ee-9840-2d10-f385-933182d62b12?QuickLink=index&overridelayout=true
Please provide your suggestions n Inputs.
Thanks
Sameer

Hi Sameer,
We are also facing the same issue.
Could you please provide how you have corrected the issue
Thanks,
Jyothi.

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Hi Experts,
My requirement is I need to fetch the data from Source System (From Data base table) by using Virtual Cube.
What I have done is I have created Virtual Cube and created corresponding Function Module in Source System.
That Function MOdule is working fine, if Data base table is small in Source System.But If data base table contains huge amount of data (millions of record), I am not able to fetch the data.
Below is the code I have incorporated in my function module.
c_th_mapping TYPE CL_RSDRV_EXTERNAL_IPROV_SRV=>TN_TH_IOBJ_FLD_MAPPING.
DATA:
    l_s_map TYPE CL_RSDRV_EXTERNAL_IPROV_SRV=>TN_S_IOBJ_FLD_MAPPING.
l_s_map-iobjnm = '0PARTNER'.
l_s_map-fldnm = 'PARTNER'.
insert l_s_map into table l_th_mapping.
create object l_r_srv
    exporting
       i_tablnm              = '/SAPSLL/V_BLBP'
      i_th_iobj_fld_mapping = l_th_mapping.
l_r_srv->open_cursor(
    i_t_characteristics = characteristics[]
    i_t_keyfigures      = keyfigures[]
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Issue populating Enhaced Virtual Cube Fields

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