Module datafusion_expr::expr_visitor
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Expression visitor
Enums
Controls how the visitor recursion should proceed.
Traits
trait for types that can be visited by ExpressionVisitor
Encode the traversal of an expression tree. When passed to
Expr::accept, ExpressionVisitor::visit is invoked
recursively on all nodes of an expression tree. See the comments
on Expr::accept for details on its use