make column label name display instead column name when useOldAliasMetadataBehavior option true

select col_1 as col_A from test_table;

:  getColumnName return col_1

select col_1 as col_A from test_table;

:  getColumnName return col_A

 public String getColumnName(final int column) throws SQLException {

        String s =  getColumnInformation(column).getOriginalName();      

+        if (returnTableAlias == true)    // if useOldAliasMetadataBehavior=true then getColumnName return getCoulmnLabel

+         s =  getColumnLabel(column); 

        if ("".equals(s))  // odd things that are no columns, e.g count(*)

            s =  getColumnLabel(column);

        return s;

    }