Doctrine DBAL
  1. Doctrine DBAL
  2. DBAL-146

Mssql platform TOP and DISTINCT ordering issue

    Details

    • Type: Bug Bug
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 2.1
    • Fix Version/s: 2.1.6, 2.2
    • Component/s: Platforms
    • Labels:
      None
    • Environment:
      Windows 2008 R2 SqlSrv 2008 R2 IIS 7.5, fully patched

      Description

      When doing a limit and a distinct query, DBAL generates an SQL statement in the form of SELECT TOP X DISTINCT, which SqlSrv does not like at all. Simply moving the the DISTINCT back to the start fixes this issue.

      As far as I can see this is caused by the preg_replace in doModifyLimitQuery. Attached is a patch that makes it slightly more aware. There may be other phrases to check for, but none that I've come across yet.

      Patch attached.

        Activity

          People

          • Assignee:
            Benjamin Eberlei
            Reporter:
            Karl Southern
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            Dates

            • Created:
              Updated:
              Resolved: