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Minor: Add usecase to comments in LogicalPlan::recompute_schema #10443

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May 11, 2024
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Minor: Add usecase to comments in LogicalPlan::recompute_schema #10443

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5 changes: 5 additions & 0 deletions datafusion/expr/src/logical_plan/plan.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -479,6 +479,11 @@ impl LogicalPlan {
/// expressions. For example [`LogicalPlan::Filter`] schema is always the
/// same as its input schema.
///
/// This is useful after modifying a plans `Expr`s (or input plans) via
/// methods such as [Self::map_children] and [Self::map_expressions]. Unlike
/// [Self::with_new_exprs], this method does not require a new set of
/// expressions or inputs plans.
///
/// # Return value
/// Returns an error if there is some issue recomputing the schema.
///
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