pub fn conjunction_opt(
predicates: impl IntoIterator<Item = Arc<dyn PhysicalExpr>>,
) -> Option<Arc<dyn PhysicalExpr>>Expand description
Create a conjunction of the given predicates.
If the input is empty or the return None.
If the input contains a single predicate, return Some(predicate).
Otherwise, return a Some(..) of a conjunction of the predicates (e.g. Some(a AND b AND c)).