Compress Uncompress infoprovider

Hi,
I have compressed the infoprovider. Now I want uncompress it. Is it possible? I am on version BW 3.1.
There is a custom abap program which uses the datapacket table to populate custom tables. If I can find the dimid field value for each request compressed, I should be able recreate the custom table.
I did the compress yesterday.
Best regards,
Jai

Hi,
Pizzaman is correct. This is a Mission Impossible !
Once your request is compressed. the records are merged with those existing records in E tables. Even you have not deleted your requests compressed, you are not able to uncompress them.
You will have two ways.
1. If you still have all the history records in your source system or PSA, you can do a full load and start your delta again.
2. If you don't have all the history data, what I can suggest is that you reverse the requests you want to uncompress. To reverse the request, you can change your transformation rules ( or transfer rules) to reverse all key figures. Change key figure = 0 - key figure. Activate your rules and load only the requests you are interested again and compress them. As your new transfer rule is exactly the same as the old one except the key figure having an opposite sign. This load and compress should reverse your previous load. After the reversing, you need to restore your transfer rule to original and load those requests again. This time DO NOT compress them as you wish. Unless you really have to, I don't believe it worth taking so much effort to do it.
If your destination object is newly created and there is no data except those requests you wants to uncompress, then you can simply delete all the data and reload the requests without compressing.

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At
coldatags Suite
http://coldjava.hypermart.net/jsp.htm
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Only one thread running at the time of test;
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==================================
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======================================
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=============================
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Since i have tried this many different ways..... i most appreciate time and effort of those who have a difinite answer to take a shot at it.
Thanks very much for your time and answer.
Edited by: user10049207 on Feb 3, 2012 8:38 AM
Edited by: user10049207 on Feb 3, 2012 8:40 AM
Edited by: user10049207 on Feb 3, 2012 8:42 AM

please don't double post
java.util.zip.ZipException: invalid stored block lengths

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link)
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quote:
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"chauhan" <[email protected]> wrote in message
news:[email protected]...
Thanks Slava Imeshev,
We already have search criteria and a limit. When records exceeds thatlimit
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"Slava Imeshev" <[email protected]> wrote in message
news:[email protected]...
Hi chauhan,
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Regards,
Slava Imeshev
"chauhan" <[email protected]> wrote in message
news:[email protected]...
Hi all,
At the moment we have some java classes (not ejb - cmp/bmp) for
search
in
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Now we have a problem i.e. records have grown too high( millions ) and
sometimes query results in retrieval of millions of records. It
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in
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to
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Here's a description of the BMP headers, just for refreshing ....
1.
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     BITMAPFILEHEADER bmfHeader;
     BITMAPINFOHEADER bmiHeader;
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          DWORD bfSize;               // 4B
          WORD bfReserved1;     // 2B
          WORD bfReserved2;     // 2B
          DWORD bfOffBits;          // 4B
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     LONG biHeight;
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     LONG biYPelsPerMeter;
     DWORD biClrUsed;
     DWORD biClrImportant;
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     Width                         4
     Height                         4
     Horizontal Resolution     96
     Vertical Resolution          96
     Bit Depth                    24
     Color Representation     True Color RGB
     Compression                    (uncompressed)
     Size                         102 bytes
     Size on disk               4.00 KB (4,096 bytes)
3. Output of the program is....
          File Headers are...
          bfType :424d
          bfSize :102
          bfReserved1 :0
          bfReserved2 :0
          bfOffBits :54
          File Info Headers are...
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          biWidth :4
          biHeight :4
          biPlanes :0
          biBitCount :1
          biCompression :1572864
          biSizeImage :48
          biXPelsPerMeter :196
          biYPelsPerMeter :234881220
          biClrUsed :234881024
          biClrImportant :0
4.      readInt()     4
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     readUnsignedShort()     2
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     readByte()
          Reads one Byte
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http://edais.earlsoft.co.uk/Tutorials/Programming/Bitmaps/BMPch1.html
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readByte(), thats when I the right file size of 102.
Why ?
Rest all the output look ok.
import java.io.*;
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               System.out.println("bfReserved2 :" + dis.readUnsignedShort());     // bfReserved2
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               System.out.println("biClrImportant      :" + dis.readInt());               //DWORD
          catch(Exception e){
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public class BMPReadForum{
     public static void main(String args[]){
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          BMPReader bmpReader = new BMPReader(fName);
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}

I stumbled across this thread while messing with numbers coming out of my palm (via pilot-xfer) that are unsigned 32 bit values read into a 4 element byte array. I would very much like to turn these things into longs. I looked over the above posted code (for which I am most grateful) and made some alterations that seemed prudent, would someone be so kind as to verify that this is doing what I would like it to do?
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I'm not very confident though; I d'ont know the GIF or JPEG encoding, but I suspect (especially for JPEG) that you need to know the "whole" image to encode it properly.
But if the target format supports encoders that work on the fly out of streams of bytes (e.g. BMP ) then you can use whatever compress/uncompress technique you see fit (e.g. RLE ): you know the nature of the panels, you may be aware of some optimizations you may perform wrt pixels storage. prior to encoding (e.g., bug empty areas, predictable chessboard pattern, black-and-white palette,...).
Edited by: jduprez on Sep 19, 2009 7:33 PM

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