Function rescale_numeric

src/pgrepr/src/value.rs:941–952

Rescales `n` to the scale required by `constraints`, if any.

(
    mut n: OrderedDecimal<mz_repr_numeric::Numeric>,
    constraints: Option<&NumericConstraints>,
)

/// Rescales `n` to the scale required by `constraints`, if any.
fn rescale_numeric(
    mut n: OrderedDecimal<mz_repr_numeric::Numeric>,
    constraints: Option<&NumericConstraints>,
) -> Result<OrderedDecimal<mz_repr_numeric::Numeric>, Box<dyn Error + Sync + Send>> {
    if let Some(constraints) = constraints {
        rescale(
            &mut n.0,
            NumericMaxScale::try_from(i64::from(constraints.max_scale()))?.into_u8(),
        )?;
    }
    Ok(n)
}

fn encode_element(buf: &mut BytesMut, elem: Option<&Value>, ty: &Type) -> Result<(), io::Error> {
    match elem {