Errors in smallint to enum macro

[sackery]

pub macro enum_number {
    ($name:ident { $first:ident = $first_value:expr, $($variant:ident = $value:expr, )* }) => {
        #[derive(Debug, PartialEq, FromSqlRow, AsExpression)]
        #[sql_type = "SmallInt"]
        pub enum $name {
            $first = $first_value,
            $($variant = $value,)*
        }

        impl ::std::default::Default for $name {
            fn default() -> $name {
                $name::$first
            }
        }

        impl ::diesel::serialize::ToSql<::diesel::sql_types::SmallInt, ::diesel::pg::Pg> for $name {
            fn to_sql<W: std::io::Write>(&self, out: &mut ::diesel::serialize::Output<W, ::diesel::pg::Pg>) -> ::diesel::serialize::Result {
                ::diesel::serialize::ToSql::<::diesel::sql_types::SmallInt, ::diesel::pg::Pg>::to_sql(&(*self as i16), out)
            }
        }

        impl ::diesel::deserialize::FromSql<::diesel::sql_types::SmallInt, ::diesel::pg::Pg> for $name {
            fn from_sql(bytes: Option<&[u8]>) -> ::diesel::deserialize::Result<Self> {
                let value: i16 = ::diesel::deserialize::FromSql::<::diesel::sql_types::SmallInt, ::diesel::pg::Pg>::from_sql(bytes)?;

                match value {
                    $first_value => Ok($name::$first),
                    $( $value => Ok($name::$variant), )*
                    _ => Err("Unrecognized enum variant".into()),
                }
            }
        }
}

error[E0412]: cannot find type `SmallInt` in this scope
 --> santry/src/handlers/api/search.rs:5:1
  |
5 | / enum_number! {SearchType {
6 | |     Node = 0,
7 | |     User = 1,
8 | | }}
  | |__^ not found in this scope

[sgrif]

You need to use the type, or fully qualify it as you have everywhere else. Please do not use the issue tracker to ask for help in the future. It should only be used for reporting bugs. Our gitter channel or discourse are the correct places to ask for help.