Enum datafusion_expr::expr_visitor::Recursion
source · pub enum Recursion<V: ExpressionVisitor> {
Continue(V),
Stop(V),
}
Expand description
Controls how the visitor recursion should proceed.
Variants§
Continue(V)
Attempt to visit all the children, recursively, of this expression.
Stop(V)
Do not visit the children of this expression, though the walk of parents of this expression will not be affected