Add CHECK_FOR_INTERRUPTS while decoding changes.

Amit Kapila · Amit Kapila · commit 42681dffafa2 · 2022-08-23T10:08:43.000+05:30
While decoding changes in a loop, if we skip all the changes there is no CFI making the loop uninterruptible. Reported-by: Whale Song and Andrey Borodin Bug: 17580 Author: Masahiko Sawada Reviwed-by: Amit Kapila Backpatch-through: 10 Discussion: https://postgr.es/m/17580-849c1d5b6d7eb422@postgresql.org Discussion: https://postgr.es/m/B319ECD6-9A28-4CDF-A8F4-3591E0BF2369@yandex-team.ru
diff --git a/src/backend/replication/logical/reorderbuffer.c b/src/backend/replication/logical/reorderbuffer.c
@@ -2085,6 +2085,8 @@ ReorderBufferProcessTXN(ReorderBuffer *rb, ReorderBufferTXN *txn,
 			Relation	relation = NULL;
 			Oid			reloid;
 
+			CHECK_FOR_INTERRUPTS();
+
 			/*
 			 * We can't call start stream callback before processing first
 			 * change.
