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SSIS to extract photos in correct jpg format


SSIS to extract photos in correct jpg format

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sridhar_kola
sridhar_kola
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The job is to extract the photos from the SQL table into .jpg format.

I have created an SSIS package and used an Export column to extract the photos. I used a derived column to give the extention as .jpg

Apparently , even though the photos are being extracted with an extension of .jpg , its actually not .jpg but .bmp.

Any idea how we extract the photos in valid .jpg format ?
anthony.green
anthony.green
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Was the binary data uploaded as a jpg or a bmp?



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sridhar_kola
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I am afraid I dont know .. thats the legacy data ..
anthony.green
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Well more than likely was inserted as BMP, so you would need to extract them and convert them in a picture editor and re-upload them to the DB.



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sridhar_kola
sridhar_kola
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Yeah agree.. but imagine if we have almost 500K pictures to convert .. What would be the best approach then ?
anthony.green
anthony.green
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cant help you on that, thought it would have to be manually 1 by 1 as you will need to open the files and save them as jpg then re-upload



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HowardW
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You'd have to either:

1) Use a script transformation task (this is just pure .Net code), then just use one of the examples of converting a bmp file to a jpg in code

2) Save them as a .bmp, then shell out to a command line utility to do the same thing
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