From b5327e432c59cdc77ec45e1a3594ccb5a147e1bc Mon Sep 17 00:00:00 2001
From: Raunaq Morarka <raunaqmorarka@gmail.com>
Date: Sun, 10 Jul 2022 23:12:12 +0530
Subject: [PATCH] Avoid including page loading time in project expression
 profiler

---
 .../src/main/java/io/trino/operator/project/PageProcessor.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/trino-main/src/main/java/io/trino/operator/project/PageProcessor.java b/core/trino-main/src/main/java/io/trino/operator/project/PageProcessor.java
index ed5cc98de9f3..d285836bdfd9 100644
--- a/core/trino-main/src/main/java/io/trino/operator/project/PageProcessor.java
+++ b/core/trino-main/src/main/java/io/trino/operator/project/PageProcessor.java
@@ -328,8 +328,9 @@ private ProcessBatchResult processBatch(int batchSize)
                 }
                 else {
                     if (pageProjectWork == null) {
+                        Page loadedPage = projection.getInputChannels().getInputChannels(page);
                         expressionProfiler.start();
-                        pageProjectWork = projection.project(session, yieldSignal, projection.getInputChannels().getInputChannels(page), positionsBatch);
+                        pageProjectWork = projection.project(session, yieldSignal, loadedPage, positionsBatch);
                         expressionProfiler.stop(positionsBatch.size());
                     }
                     if (!pageProjectWork.process()) {