From 7eb094beaab04a5d11d8fdfb94eafeece7e77d2b Mon Sep 17 00:00:00 2001
From: Ti Chi Robot <ti-community-prow-bot@tidb.io>
Date: Mon, 23 Oct 2023 18:09:36 +0800
Subject: [PATCH] executor: fix an issue that index_lookup_hash_join
 incorrectly estimate memory usage. (#47795) (#47921)

close pingcap/tidb#47788
---
 executor/builder.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/executor/builder.go b/executor/builder.go
index 14b415cf5419c..daa38d65a9141 100644
--- a/executor/builder.go
+++ b/executor/builder.go
@@ -4228,7 +4228,7 @@ func buildKvRangesForIndexJoin(ctx sessionctx.Context, tableID, indexID int64, l
 		memTracker.Consume(int64(2 * cap(kvRanges[0].StartKey) * len(kvRanges)))
 	}
 	if len(tmpDatumRanges) != 0 && memTracker != nil {
-		memTracker.Consume(2 * int64(len(tmpDatumRanges)) * types.EstimatedMemUsage(tmpDatumRanges[0].LowVal, len(tmpDatumRanges)))
+		memTracker.Consume(2 * types.EstimatedMemUsage(tmpDatumRanges[0].LowVal, len(tmpDatumRanges)))
 	}
 	if cwc == nil {
 		sort.Slice(kvRanges, func(i, j int) bool {