@Override
    public BigDecimal toJavaType(Column column, Class<?> entityType, String value) {
        return value == null ? null : new BigDecimal(value);
    }
Maps between a large real number stored as a {@code String} into a java
{@link BigDecimal}.

@author Emil Forslund
@since  3.0.23
runtime-parent/runtime-typemapper/src/main/java/com/speedment/runtime/typemapper/string/StringToBigDecimalMapper.java