From cce21b8ec51c2219ee82be93820fbbb0181219b9 Mon Sep 17 00:00:00 2001
From: eitsupi <ts1s1andn@gmail.com>
Date: Sat, 21 Oct 2023 11:03:13 +0000
Subject: [PATCH] feat(rust): LazyFrame._with_fast_projection()

---
 crates/polars-lazy/src/frame/mod.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/crates/polars-lazy/src/frame/mod.rs b/crates/polars-lazy/src/frame/mod.rs
index 20292101113e..7f379f2bb82b 100644
--- a/crates/polars-lazy/src/frame/mod.rs
+++ b/crates/polars-lazy/src/frame/mod.rs
@@ -190,6 +190,11 @@ impl LazyFrame {
         self
     }
 
+    pub fn _with_fast_projection(mut self, toggle: bool) -> Self {
+        self.opt_state.fast_projection = toggle;
+        self
+    }
+
     /// Return a String describing the naive (un-optimized) logical plan.
     pub fn describe_plan(&self) -> String {
         self.logical_plan.describe()