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MDL-44321 events: debug on errors in add_record_snapshot()

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also clone object returned by get_record_snapshot() to prevent accidental changing of $COURSE or other important objects
This commit is contained in:
Marina Glancy
2014-02-28 16:37:31 +08:00
parent 1e242b41af
commit 5e70ea26bb
2 changed files with 11 additions and 3 deletions
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lib/classes/event/base.php
+8 -1
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@@ -573,6 +573,13 @@ abstract class base implements \IteratorAggregate {
if ($CFG->debugdeveloper) {
if (!$DB->get_manager()->table_exists($tablename)) {
debugging("Invalid table name '$tablename' specified, database table does not exist.", DEBUG_DEVELOPER);
} else {
$columns = $DB->get_columns($tablename);
$missingfields = array_diff(array_keys($columns), array_keys((array)$record));
if (!empty($missingfields)) {
debugging("Fields list in snapshot record does not match fields list in '$tablename'. Record is missing fields: ".
join(', ', $missingfields), DEBUG_DEVELOPER);
}
}
}
$this->recordsnapshots[$tablename][$record->id] = $record;
@@ -595,7 +602,7 @@ abstract class base implements \IteratorAggregate {
}
if (isset($this->recordsnapshots[$tablename][$id])) {
return $this->recordsnapshots[$tablename][$id];
return clone($this->recordsnapshots[$tablename][$id]);
}
$record = $DB->get_record($tablename, array('id'=>$id));