Function encode_bind

postgres/src/driver/codec/encode.rs:235–269

(
    stmt_name: &str,
    types: &[Type],
    params: P,
    portal_name: &str,
    buf: &mut BytesMut,
)

}

fn encode_bind<P>(
    stmt_name: &str,
    types: &[Type],
    params: P,
    portal_name: &str,
    buf: &mut BytesMut,
) -> Result<(), Error>
where
    P: AsParams,
{
    let params = params.into_iter();
    if params.len() != types.len() {
        return Err(Error::from(InvalidParamCount {
            expected: types.len(),
            params: params.len(),
        }));
    }

    let params = params.zip(types);

    protocol::bind(
        portal_name,
        stmt_name,
        params.clone().map(|(p, ty)| p.borrow_to_sql().encode_format(ty) as _),
        params,
        |(p, ty), buf| {
            let is_null = p.borrow_to_sql().to_sql_checked(ty, buf)?;
            Ok(match is_null {
                IsNull::No => protocol::IsNull::No,
                IsNull::Yes => protocol::IsNull::Yes,
            })
        },
        buf,
    )
}