From 39c776a3c97a6db8f8fc399f5d6afbb6cc47e1d2 Mon Sep 17 00:00:00 2001
From: Nik Everett <nik9000@gmail.com>
Date: Tue, 12 Dec 2023 09:43:13 -0500
Subject: [PATCH] ESQL: Remove unused StringBuilder

It's a small thing but it saves an extra copy that we don't need and
makes the code easier to read.
---
 .../xpack/esql/planner/LocalExecutionPlanner.java             | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/planner/LocalExecutionPlanner.java b/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/planner/LocalExecutionPlanner.java
index e4e2402a9c7a3..a07f3f68996d3 100644
--- a/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/planner/LocalExecutionPlanner.java
+++ b/x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/planner/LocalExecutionPlanner.java
@@ -814,9 +814,7 @@ public List<Driver> createDrivers(String sessionId) {
 
         @Override
         public String describe() {
-            StringBuilder sb = new StringBuilder();
-            sb.append(driverFactories.stream().map(DriverFactory::describe).collect(joining("\n")));
-            return sb.toString();
+            return driverFactories.stream().map(DriverFactory::describe).collect(joining("\n"));
         }
     }
 }