Download BLOB to a file

Similar Questions

• Download BLOB in a new window

  I have an Apex 5 interactive report on a table with a blob column. I have the updated column to download BLOB and Inline content available. It works fine, but I would like that the file blob to open in a new browser window. I see no way to do it. Is there a way?

  Thank you!

  RoboMan says:

  I have an Apex 5 interactive report on a table with a blob column. I have the updated column to download BLOB and Inline content available. It works fine, but I would like that the file blob to open in a new browser window. I see no way to do it. Is there a way?

  1. in the definition of BLOB column, adds a static ID as the "blob-download" for use as a jQuery selector.

  2. create a dynamic action after Refresh on the IR region, which inserts an attribute target on the download link:

  Event: After refresh

  Selection type: Region

  Region:

  Real Actions

  Action: Run the JavaScript Code

  Fire on Page load: Yes

  Code

  $('td[headers="blob-download"] a').attr('target', '_new')
  

• Download BLOB via wpg_docload does not

  Hello
  I installed a new oracle database server and recently installed the 4.1 Apex then transferred my legacy data and applications from the old server.
  My new configurations are

  Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
  PL/SQL Release 11.2.0.1.0 - Production
  CORE     11.2.0.1.0     Production
  TNS for 32-bit Windows: Version 11.2.0.1.0 - Production
  NLSRTL Version 11.2.0.1.0 - Production

  My oracle Enterprise Manager displays

  Hosts               1          Application Servers     1
  OC4J Instances          1          HTTP Server Instances          1

  Previously I had Apex 4.0.1 on Apex listener through the Glassfish server and all my applications worked perfectly. But on the new installation of the page that downloads report, via the rtf code generation and it downloaded from the BLOB does not work.
  
  

  Declare
        l_mime        varchar2 (255);
        l_length      number;
        l_file_name   varchar2 (2000);
        l_lob_loc     blob;
        l_rtf         clob;
        l_name        varchar2(100);
        -- conversion variables
        l_src_offset  number := 1;
        l_dest_offset number := 1;
        l_lang_ctx    number := 0;
        l_warning     varchar2(32767);
     begin
        -- get name
        select 'testrtf'
        into   l_name
        from   dual;
        -- generate document
           select :P16_RTF  into   l_rtf  from   dual; 
        --:P16_RTF contains rtf code.
        -- convert to lob
        dbms_lob.createtemporary(l_lob_loc, false);
        dbms_lob.converttoblob(l_lob_loc, l_rtf, DBMS_LOB.GETLENGTH(l_rtf), l_dest_offset, l_src_offset, 0, l_lang_ctx, l_warning);
        l_length  := dbms_lob.getlength(l_lob_loc);
        -- http header
        owa_util.mime_header('application/rtf', false);
        htp.p('Content-length: ' || l_length);
        htp.p('Content-Disposition: attachment; filename="'||l_name||'.rtf"');
        owa_util.http_header_close;
        -- download blob
        wpg_docload.download_file (l_lob_loc);
     end;

  I searched and didn't find any help, but it seems that there is a problem of configuration of DAD. My DAD file looks like
  

  <Location /pls/apex>
   Order deny,allow
   PlsqlDocumentPath docs
   AllowOverride None
   PlsqlDocumentProcedure         wwv_flow_file_mgr.process_download
   PlsqlDatabaseConnectString     db:1521:orcl ServiceNameFormat
   PlsqlNLSLanguage               AMERICAN_AMERICA.AL32UTF8
   PlsqlAuthenticationMode        Basic
   SetHandler                     pls_handler
   PlsqlDocumentTablename         wwv_flow_file_objects$
   PlsqlDatabaseUsername          APEX_PUBLIC_USER
   PlsqlDefaultPage               apex
   PlsqlDatabasePassword          ******
   PlsqlRequestValidationFunction wwv_flow_epg_include_modules.authorize
   Allow from all
  </Location>

  and I could not find wwv_flow_file_objects$ either. All of the suggestions.
  
  Concerning
  Sabir
  
  Published by: sabir786 on December 29, 2011 11:37

  Hi sabir786,

  I had exactly the same problem. I went to my request of APEX 4.0 and Oracle 10 g to 4.1 APEX and Oracle 11 g, then all download functions via wpg_docload stopped calling the download dialog box.

  Now, I tried some kind of workaround to find the feature.
  Rather than use page-processes to call the download functions, I tried to use enforcement procedures (called on request) and it works fine.

  that is to say:
  an application process named 'export' called at the request

  Start
  (#OWNER) # .f_export
  v_EXPTYP =>: P10_EXPORT_TYPE,
  v_ID =>: F_PROJEKT_ID
  );
  end;

  a button that calls a branch with the following query

  APPLICATION_PROCESS = export

  f_export is the function that generates the rtf file and in the end, it has the wpg_docload functions to download the file.

  Hope it helps you as well.
  Concerning

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  Download of the current file will stop if I close the window of the Downloader in Firefox 4.0.1? This was not the case with the 3.x versions.

  No, as long as you don't close Firefox then the download will continue.

  You can set the browser.download.manager.quitBehavior pref to 2 on the topic: config page.
  
  That will make Firefox asks for confirmation if you want to cancel the download if you close Firefox.

  See:

  • http://KB.mozillazine.org/browser.download.Manager.quitBehavior

  To open the topic: config page, type Subject: config in the address bar (address) and press the 'Enter' key, as you type the url of a Web site to open a Web site.
  
  If you see a warning then you can confirm that you want to access this page.

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  Kind regards
  Steve

  Hello Steve

  If you have this problem with Windows Media Player, you probably need to install the codec package.
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  "And in the end the love you take, is equal to The Love You Make" (The Beatles last song from their latest album, Abbey Road.)

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  Visit our Microsoft answers feedback Forum and let us know what you think.
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