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  1. Moodle
  2. MDL-18243

MSSQL doesn't allow text or ntext columns in WHERE clause

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 1.7.7, 1.8.8, 1.9.4
    • Fix Version/s: 1.7.7+, 1.8.9, 1.9.5
    • Component/s: Database SQL/XMLDB
    • Labels:
      None
    • Environment:
      RedHat Linux, Apache 2.2.3, PHP 5.2.8, SQL Server
    • Database:
      Microsoft SQL
    • Difficulty:
      Easy
    • Affected Branches:
      MOODLE_17_STABLE, MOODLE_18_STABLE, MOODLE_19_STABLE
    • Fixed Branches:
      MOODLE_17_STABLE, MOODLE_18_STABLE, MOODLE_19_STABLE

      Description

      The data_filter() function in mod/data/filter.php has a SQL query that compares a text (or, in MSSQL, an ntext) column in a WHERE clause. MSSQL doesn't allow ntext columns in a WHERE clause, so the SQL statement throws errors.

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                Dates

                • Created:
                  Updated:
                  Resolved:
                  Fix Release Date:
                  13/May/09