Function julianday 

pub fn julianday<'a, V, E>(
    expr: E,
) -> SQLExpr<'a, V, <V::DialectMarker as DialectTypes>::Double, E::Nullable, E::Aggregate, E::Sources>
where
    V: SQLParam + 'a,
    V::DialectMarker: DialectSupports<SQLiteDateTime>,
    E: Expr<'a, V>,
    E::SQLType: Temporal,

A time value as a Julian day number (JULIANDAY), on SQLite.

The argument must be temporal. The result is the dialect’s double type and keeps the argument’s nullability.

Examples

assert_eq!(julianday(users.created_at).sql(), r#"JULIANDAY ("users"."created_at")"#);