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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     Extract .jpg from a BLOB column in DB2

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Extract .jpg from a BLOB column in DB2
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Richie
Member
posted
We are using WebFocus running on ZOS mainframe. I am looking for a solution for extracting a .jpg from a BLOB column to a temporary file to display on my report . We are using the Report Painter tool.
Any help will be GREATLY appreciated!



Thanks
Richard


Web Focus Developer Studio Ver 7.62
Windows XP platform.
mostly dynamically built reports
 
Posts: 5 | Registered: September 28, 2007Report This Post
hammo1j
Master
posted Hide Post
There is this on the forum.

https://forums.informationbuilders.com/eve/forums/a/tpc/...1057331/m/6331020932

A quick and dirty method would be to first of all define a BLOB in wf as ACTUAL and USAGE of A8000 (think this is the biggest wf can take) nb do not use TX defaults.

TABLE FILE BLOBFILE
PRINT BLOBFIELD
IF RECORDLIMIT EQ 1
ON TABLE SAVE
END
-RUN
CMD COPY SAVE.FTM SAVE.JPG
-RUN
-* now incorporate into stylesheet

now you will be extremely lucky to get this simplistic approach to work.

1. The A8000 field has trailing blanks that the JPEG viewer may disagree with.
2. The convert jpeg to BLOB routine and vice versa may trim off headers do compression etc. You really need to call the routine to do the job.
3. You may have EBCDIC ASCII coding / character set issues.

Good luck you are going to need it!


Server: WF 7.6.2 ( BID/Rcaster) Platform: W2003Server/IIS6/Tomcat/SQL Server repository Adapters: SQL Server 2000/Oracle 9.2
Desktop: Dev Studio 765/XP/Office 2003 Applications: IFS/Jobscope/Maximo
 
Posts: 888 | Location: Airstrip One | Registered: October 06, 2006Report This Post
Srinivasan_Munuswamy
Gold member
posted Hide Post
Hi Hammoj,
I tried saving the blob field. but am not getting the image but only the text of the jpg is coming in. Can you help what should I need to do for getting the blob images from oracle.
Appreciate if any one can help me in this.

 
FILEDEF PHOTO DISK /home/webfocus/ibi/apps/ifnw/PHOTO.FTM

TABLE FILE PI_FUND_MNGR_PHOTOGRAPH
PRINT PHOTOGRAPH
IF RECORDLIMIT EQ 1
ON TABLE SAVE AS PHOTO
END
-RUN


WF 8.0.0.9 Database : oracle

CURRENT:
WebFOCUS 8.0.0.9 /oracle 11 i

 
Posts: 51 | Registered: September 20, 2007Report This Post
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