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commit    0125c4e21d7e9c8b3da95ffcd3e34c0f61c9b69a
Author:   Masahiko Sawada <msawada@postgresql.org>
Date:     Wed Aug 02 06:01:13 2023 +0000
First released in: 17.0, 14.9, 15.4, 16.0

    Fix ReorderBufferCheckMemoryLimit() comment.
    
    Commit 7259736a6 updated the comment but it was not correct since
    ReorderBufferLargestStreamableTopTXN() returns only top-level
    transactions.
    
    Reviewed-by: Amit Kapila
    Discussion: https://postgr.es/m/CAD21AoA9XB7OR86BqvrCe2dMYX%2BZv3-BvVmjF%3DGY2z6jN-kqjg%40mail.gmail.com
    Backpatch-through: 14


 src/backend/replication/logical/reorderbuffer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/replication/logical/reorderbuffer.c b/src/backend/replication/logical/reorderbuffer.c
index 26d252bd875..87a4d2a24b7 100644
--- a/src/backend/replication/logical/reorderbuffer.c
+++ b/src/backend/replication/logical/reorderbuffer.c
@@ -3602,8 +3602,8 @@ ReorderBufferCheckMemoryLimit(ReorderBuffer *rb)
 			rb->size > 0))
 	{
 		/*
-		 * Pick the largest transaction (or subtransaction) and evict it from
-		 * memory by streaming, if possible.  Otherwise, spill to disk.
+		 * Pick the largest transaction and evict it from memory by streaming,
+		 * if possible.  Otherwise, spill to disk.
 		 */
 		if (ReorderBufferCanStartStreaming(rb) &&
 			(txn = ReorderBufferLargestStreamableTopTXN(rb)) != NULL)


[parent: 3845577cb55e]