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  1. Moodle
  2. MDL-34666

registration throws dmlreadexception

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Duplicate
    • Affects Version/s: 2.3
    • Fix Version/s: None
    • Component/s: Hub
    • Labels:
      None
    • Affected Branches:
      MOODLE_23_STABLE

      Description

      click "registration" on an unregistered site: (Moodle 2.3.1+ (Build: 20120726))


      Error reading from database

      More information about this error
      Debug info: ERROR: subquery in FROM must have an alias
      LINE 1: SELECT COUNT FROM (
      ^
      HINT: For example, FROM (SELECT ...) [AS] foo.
      SELECT COUNT FROM (
      SELECT DISTINCT ue.userid, e.courseid
      FROM mdl_user_enrolments ue, mdl_enrol e, mdl_course c
      WHERE ue.enrolid = e.id
      AND e.courseid <> $1
      AND c.id = e.courseid
      AND c.visible = 1)
      [array (
      0 => '1',
      )]
      Error code: dmlreadexception
      Stack trace:

      line 407 of /lib/dml/moodle_database.php: dml_read_exception thrown
      line 239 of /lib/dml/pgsql_native_moodle_database.php: call to moodle_database->query_end()
      line 708 of /lib/dml/pgsql_native_moodle_database.php: call to pgsql_native_moodle_database->query_end()
      line 1346 of /lib/dml/moodle_database.php: call to pgsql_native_moodle_database->get_records_sql()
      line 1419 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
      line 1590 of /lib/dml/moodle_database.php: call to moodle_database->get_field_sql()
      line 4044 of /course/lib.php: call to moodle_database->count_records_sql()
      line 373 of /admin/registration/forms.php: call to average_number_of_participants()
      line 194 of /lib/formslib.php: call to site_registration_form->definition()
      line 61 of /admin/registration/register.php: call to moodleform->moodleform()

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              Assignee:
              jerome Jérôme Mouneyrac
              Reporter:
              dwahl Daniel Wahl
              Participants:
              Component watchers:
              David Mudrák (@mudrd8mz), Helen Foster
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                Dates

                Created:
                Updated:
                Resolved: