Module polars_plan::plans::visitor

Defines different visitor patterns and for any tree.

Structs

• AexprNode
• IRNode

Enums

• RewriteRecursion
  Controls how the TreeWalker recursion should proceed for TreeWalker::rewrite.
• VisitRecursion
  Controls how the TreeWalker recursion should proceed for TreeWalker::visit.

Traits

• RewritingVisitor
• TreeWalker
  An implementor of this trait decides how and in which order its nodes get traversed Implemented for crate::dsl::Expr and AexprNode.
• Visitor

Type Aliases

• IRNodeArena