Function nextval 

pub fn nextval<'a, V, E>(
    sequence: E,
) -> SQLExpr<'a, V, <V::DialectMarker as DialectTypes>::BigInt, NonNull, Scalar>
where
    V: SQLParam + 'a,
    V::DialectMarker: SequenceSupport,
    E: Expr<'a, V>,
    E::SQLType: Textual,

NEXTVAL - advances a sequence and returns its new value (PostgreSQL).

The argument is the sequence name as a text expression.

Example

use drizzle_core::expr::nextval;

// SELECT NEXTVAL('users_id_seq')
let next_id = nextval("users_id_seq");