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MDL-48880 mod_lesson: clean lesson_branch on update and restore

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This commit is contained in:
Jean-Michel Vedrine
2015-03-29 21:53:26 +02:00
parent b582e4b1f1
commit 7198eb72d9
3 changed files with 39 additions and 1 deletions
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mod/lesson/backup/moodle2/restore_lesson_stepslib.php
+17
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@@ -221,6 +221,23 @@ class restore_lesson_activity_structure_step extends restore_activity_structure_
}
$rs->close();
// Replay the upgrade step 2014051202.
// Delete any orphaned lesson_branch record.
if ($DB->get_dbfamily() === 'mysql') {
$sql = "DELETE {lesson_branch}
FROM {lesson_branch}
LEFT JOIN {lesson_pages}
ON {lesson_branch}.pageid = {lesson_pages}.id
WHERE {lesson_pages}.id IS NULL";
} else {
$sql = "DELETE FROM {lesson_branch}
WHERE NOT EXISTS (
SELECT 'x' FROM {lesson_pages}
WHERE {lesson_branch}.pageid = {lesson_pages}.id)";
}
$DB->execute($sql);
// Re-map the dependency and activitylink information
// If a depency or activitylink has no mapping in the backup data then it could either be a duplication of a
// lesson, or a backup/restore of a single lesson. We have no way to determine which and whether this is the
mod/lesson/db/upgrade.php
+21
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@@ -94,6 +94,27 @@ function xmldb_lesson_upgrade($oldversion) {
upgrade_mod_savepoint(true, 2014051201, 'lesson');
}
if ($oldversion < 2014051202) {
// Delete any orphaned lesson_branch record.
if ($DB->get_dbfamily() === 'mysql') {
$sql = "DELETE {lesson_branch}
FROM {lesson_branch}
LEFT JOIN {lesson_pages}
ON {lesson_branch}.pageid = {lesson_pages}.id
WHERE {lesson_pages}.id IS NULL";
} else {
$sql = "DELETE FROM {lesson_branch}
WHERE NOT EXISTS (
SELECT 'x' FROM {lesson_pages}
WHERE {lesson_branch}.pageid = {lesson_pages}.id)";
}
$DB->execute($sql);
// Lesson savepoint reached.
upgrade_mod_savepoint(true, 2014051202, 'lesson');
}
return true;
}
mod/lesson/version.php
+1 -1
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@@ -24,7 +24,7 @@
defined('MOODLE_INTERNAL') || die();
$plugin->version = 2014051201; // The current module version (Date: YYYYMMDDXX)
$plugin->version = 2014051202; // The current module version (Date: YYYYMMDDXX)
$plugin->requires = 2014050800; // Requires this Moodle version
$plugin->component = 'mod_lesson'; // Full name of the plugin (used for diagnostics)
$plugin->cron = 0;