ed4b4bf1d0
to prepend the 'N' char before any SQL literal sent to DB, mainly because nobody (ODBTP, FreeTDS, ODBC, SQL*Server) seems to be doing this task, and it prevents, in an high degree true cross-db compatibility. Once we've moved to prepared statements and some of the developers for any of the products above (hopefully MS, at server level) will avoid the 'N', we'll be able to go back to another mssql drivers. More info at: - http://docs.moodle.org/en/XMLDB_Problems (point 8) - http://tracker.moodle.org/browse/MDL-6877