print(" ");
    protected void writeExternalPrimaryKeysCreateStmt(Table table) throws IOException    {        List primaryKeyColumns = table.getPrimaryKeyColumns();        if (!primaryKeyColumns.isEmpty() && shouldGeneratePrimaryKeys(primaryKeyColumns))        {            print("ALTER TABLE ");            println(getTableName(table));            printIndent();            print("ADD CONSTRAINT ");            print(getConstraintName(null, table, "PK", null));            writePrimaryKeyStmt(table, primaryKeyColumns);            printEndOfStatement();        }    }