select count(*) from lang_message_keys where package_key = :package_key and message_key = :message_key select count(*) from lang_messages where package_key = :package_key and message_key = :message_key insert into lang_message_keys (message_key, package_key) values (:message_key, :package_key) update lang_messages set [join $set_clauses ", "] where locale = :locale and package_key = :package_key and message_key = :message_key insert into lang_messages ([join $col_clauses ", "]) values ([join $val_clauses ", "]) select locale, package_key, message_key, message from lang_messages $package_where_clause update lang_message_keys set description = null where message_key = :message_key and package_key = :package_key