TableColumnInfo to = customDialog.getColumnInfo();
String dbName = customDialog.getSelectedDBName();
_dialect = DialectFactory.getDialect(dbName);
DatabaseObjectQualifier qualifier =
new DatabaseObjectQualifier(_info[0].getCatalogName(), _info[0].getSchemaName());
try
{
result = DBUtil.getAlterSQLForColumnChange(columnToModify, to, _dialect, qualifier, _sqlPrefs);
} catch (HibernateException e1)