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Status Future consideration
Workspace Informix
Components Informix Server
Created by Guest
Created on Jun 18, 2021

Unload to file should have option that prevents over writing of an existing file

A customer writes some SQL that captures the pre-data to an unload file and then does the updates/deletes etc. If the SQL is successful and inadvertently run again the initial pre-data will be lost.

Needed by Date Aug 1, 2021
  • Guest
    Jun 18, 2021

    No idea why this was created as guest - should have been Paul Watson (

  • Guest
    Jun 18, 2021

    Also needs another option for appending to any existing file. UNLOAD is implemented in the client, so would be a change to "dbaccess" and AGS Server Studio, not IDS. However, a similar append facility is also badly needed in the database engine for external tables. Maybe setting an environment variable checked by all of those would be an easier way.

  • Guest
    Jun 18, 2021

    I'd say that the allowoverwrite option should be called genbackupcopy (or something along those lines), and that overwriting the file should be the default behavior (for backwards compatibility).