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-rw-r--r--src/backend/replication/logical/worker.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c
index 1b1d70ed68a..f2b2549a515 100644
--- a/src/backend/replication/logical/worker.c
+++ b/src/backend/replication/logical/worker.c
@@ -1309,7 +1309,8 @@ apply_handle_update(StringInfo s)
InitResultRelInfo(resultRelInfo, rel->localrel, 1, NULL, 0);
/*
- * Populate updatedCols so that per-column triggers can fire. This could
+ * Populate updatedCols so that per-column triggers can fire, and so
+ * executor can correctly pass down indexUnchanged hint. This could
* include more columns than were actually changed on the publisher
* because the logical replication protocol doesn't contain that
* information. But it would for example exclude columns that only exist