Last modified: 2014-09-07 19:43:06 UTC
Using mw-1.23.3 I get a database error when trying to edit an interwiki link. Guessing from the database logs I think the problem is that the 'IGNORE' flag gets passed as 'UPDATE IGNORE [...]' or 'INSERT IGNORE [...]' which is unsupported on PostgreSQL on lines 278 and 280 of Interwiki_body.php.