presto-jdbc/src/main/java/io/prestosql/jdbc/PrestoResultSetMetaData.java/PrestoResultSetMetaData/column
class PrestoResultSetMetaData:    private ColumnInfo column(int column)
            throws SQLException
    {
        if ((column <= 0) || (column > columnInfo.size())) {
            throw new SQLException("Invalid column index: " + column);
        }
        return columnInfo.get(column - 1);
    }