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Merge branch 'm21_MDL-27368' of git://github.com/danmarsden/moodle into MOODLE_21_STABLE

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This commit is contained in:
Dan Poltawski
2012-05-28 14:33:05 +08:00
parent ff166d1157 fb0814ac14
commit 093e1ce8df
2 changed files with 39 additions and 1 deletions
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lib/db/upgrade.php
+38
View File
@@ -6782,5 +6782,43 @@ FROM
upgrade_main_savepoint(true, 2011070105.08);
}
if ($oldversion < 2011070106.03) { // fix invalid course_completion_records MDL-27368
//first get all instances of duplicate records
$sql = 'SELECT userid, course FROM {course_completions} WHERE (deleted IS NULL OR deleted <> 1) GROUP BY userid, course HAVING (count(id) > 1)';
$duplicates = $DB->get_recordset_sql($sql, array());
foreach ($duplicates as $duplicate) {
$pointer = 0;
//now get all the records for this user/course
$sql = 'userid = ? AND course = ? AND (deleted IS NULL OR deleted <> 1)';
$completions = $DB->get_records_select('course_completions', $sql,
array($duplicate->userid, $duplicate->course), 'timecompleted DESC, timestarted DESC');
$needsupdate = false;
$origcompletion = null;
foreach ($completions as $completion) {
$pointer++;
if ($pointer === 1) { //keep 1st record but delete all others.
$origcompletion = $completion;
} else {
//we need to keep the "oldest" of all these fields as the valid completion record.
$fieldstocheck = array('timecompleted', 'timestarted', 'timeenrolled');
foreach ($fieldstocheck as $f) {
if ($origcompletion->$f > $completion->$f) {
$origcompletion->$f = $completion->$f;
$needsupdate = true;
}
}
$DB->delete_records('course_completions', array('id'=>$completion->id));
}
}
if ($needsupdate) {
$DB->update_record('course_completions', $origcompletion);
}
}
// Main savepoint reached
upgrade_main_savepoint(true,2011070106.03);
}
return true;
}
version.php
+1 -1
View File
@@ -30,7 +30,7 @@
defined('MOODLE_INTERNAL') || die();
$version = 2011070106.02; // 20110701 = branching date YYYYMMDD - do not modify!
$version = 2011070106.03; // 20110701 = branching date YYYYMMDD - do not modify!
// RR = release increments - 00 in DEV branches
// .XX = incremental changes