if ($result && $oldversion < 2009050614) {
/// fill in any missing contextids with a dummy value, so we can add the not-null constraint.
- $DB->execute("UPDATE {block_instances} SET contextid = -1 WHERE contextid IS NULL");
+ $DB->execute("UPDATE {block_instances} SET contextid = 0 WHERE contextid IS NULL");
/// Main savepoint reached
upgrade_main_savepoint($result, 2009050614);