printIdentifier(getColumnName(change.getColumn()));
printIdentifier(getColumnName(change.getChangedColumn()));
    protected void processVarCharSizeChange(Database         currentModel,                                            Database         desiredModel,                                            ColumnSizeChange change) throws IOException    {        print("ALTER TABLE ");        printlnIdentifier(getTableName(change.getChangedTable()));        printIndent();        print("ALTER ");        printIdentifier(getColumnName(change.getColumn()));        print(" SET DATA TYPE VARCHAR(");        print(change.getColumn().getSize());        print(")");        printEndOfStatement();    }