<?php
global $wpdb;

$sql = "ALTER TABLE `{$wpdb->prefix}icl_translate` CHANGE field_data field_data longtext NOT NULL";
$wpdb->query( $sql );
$sql = "ALTER TABLE `{$wpdb->prefix}icl_translate` CHANGE field_data_translated field_data_translated longtext NOT NULL";
$wpdb->query( $sql );
