fix: Ensure empty with_columns is a no-op (pola-rs#15694)

henryharbeck · Apr 16, 2024 · 8befcd1 · 8befcd1
1 parent b96ca9f
commit 8befcd1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/crates/polars-plan/src/logical_plan/builder.rs b/crates/polars-plan/src/logical_plan/builder.rs
@@ -558,6 +558,9 @@ impl LogicalPlanBuilder {
     }
 
     pub fn with_columns(self, exprs: Vec<Expr>, options: ProjectionOptions) -> Self {
+        if exprs.is_empty() {
+            return self;
+        }
         // current schema
         let schema = try_delayed!(self.0.schema(), &self.0, into);
         let mut new_schema = (**schema).clone();