Function subquery_from_factor

nodedb-sql/src/planner/lateral/plan.rs:289–294

Extract the subquery from a `TableFactor::Derived`.

(factor: &ast::TableFactor)

/// Extract the subquery from a `TableFactor::Derived`.
pub fn subquery_from_factor(factor: &ast::TableFactor) -> Option<&ast::Query> {
    match factor {
        ast::TableFactor::Derived { subquery, .. } => Some(subquery),
        _ => None,
    }
}