Module datafusion_expr::expr_visitor

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Expand description

Expression visitor

Enums

Recursion
Controls how the visitor recursion should proceed.

Traits

ExprVisitable
trait for types that can be visited by ExpressionVisitor
ExpressionVisitor
Implements the visitor pattern for recursively walking Exprs.

Functions

inspect_expr_pre
Recursively inspect an Expr and all its childen.