pub fn every<'a, V, E>(
expr: E,
) -> SQLExpr<'a, V, <V::DialectMarker as DialectTypes>::Bool, Null, Agg, E::Sources>where
V: SQLParam + 'a,
V::DialectMarker: DialectSupports<PostgresAggregate>,
E: Expr<'a, V>,
E::SQLType: BooleanAggregatePolicy<V::DialectMarker>,