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  1. Moodle
  2. MDL-11751

can't create unique index on mdl_course_modules.idnumber

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.9, 2.0
    • Fix Version/s: 1.9, 2.0
    • Component/s: Database SQL/XMLDB
    • Labels:
      None
    • Database:
      Microsoft SQL
    • Affected Branches:
      MOODLE_19_STABLE, MOODLE_20_STABLE
    • Fixed Branches:
      MOODLE_19_STABLE, MOODLE_20_STABLE

      Description

      The install script for 1.9 fails on our system when it tries to had this index.

      The CREATE UNIQUE INDEX statement terminated because a duplicate key was found for the object name 'dbo.mdl_course_modules' and the index name 'mdl_courmodu_idn_uix'. The duplicate key value is (<NULL>)

      There is a idnumber column in the mdl_course_modules field, but it's not being used. All the values are NULL and therefore they aren't unique.

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            People

            Assignee:
            stronk7 Eloy Lafuente (stronk7)
            Reporter:
            trick Alan Trick
            Tester:
            Nobody
            Participants:
            Component watchers:
            Andrew Nicols, Jun Pataleta, Michael Hawkins, Shamim Rezaie, Simey Lameze
            Votes:
            0 Vote for this issue
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              Dates

              Created:
              Updated:
              Resolved:
              Fix Release Date:
              3/Mar/08