public boolean isSigned()

in src/main/java/software/aws/neptune/jdbc/ResultSetMetaData.java [205:217]


    public boolean isSigned(final int column) throws SQLException {
        verifyColumnIndex(column);

        final int type = getColumnType(column);
        return ((type == Types.INTEGER) ||
                (type == Types.BIGINT) ||
                (type == Types.DOUBLE) ||
                (type == Types.FLOAT) ||
                (type == Types.REAL) ||
                (type == Types.SMALLINT) ||
                (type == Types.TINYINT) ||
                (type == Types.DECIMAL));
    }