0001-Stop-using-injection_points-for-checkpointer.patch

From c4e702628ba0a614c814680af3edf1d9d10d4574 Mon Sep 17 00:00:00 2001
From: Hayato Kuroda <kuroda.hayato@fujitsu.com>
Date: Wed, 24 Sep 2025 20:25:27 +0900
Subject: [PATCH] Stop using injection_points for checkpointer

---
 src/test/recovery/meson.build                 |  3 ++-
 .../recovery/t/049_invalidate_new_slot.pl     | 21 +++----------------
 2 files changed, 5 insertions(+), 19 deletions(-)

diff --git a/src/test/recovery/meson.build b/src/test/recovery/meson.build
index 9f01d71dc3b..c9a5d258d24 100644
--- a/src/test/recovery/meson.build
+++ b/src/test/recovery/meson.build
@@ -55,7 +55,8 @@ tests += {
       't/045_archive_restartpoint.pl',
       't/046_checkpoint_logical_slot.pl',
       't/047_checkpoint_physical_slot.pl',
-      't/048_vacuum_horizon_floor.pl'
+      't/048_vacuum_horizon_floor.pl',
+      't/049_invalidate_new_slot.pl'
     ],
   },
 }
diff --git a/src/test/recovery/t/049_invalidate_new_slot.pl b/src/test/recovery/t/049_invalidate_new_slot.pl
index 93b09316e5f..534bde08e30 100644
--- a/src/test/recovery/t/049_invalidate_new_slot.pl
+++ b/src/test/recovery/t/049_invalidate_new_slot.pl
@@ -36,6 +36,7 @@ $createslot->query_until(
 	qr/start-create-slot/,
 	q(\echo start-create-slot
 select pg_create_physical_replication_slot('standby1', true);
+\q
 ));
 
 # Wait until the checkpoint stops right before removing WAL segments.
@@ -45,28 +46,12 @@ note('injection_point is reached');
 
 $node->advance_wal(3);
 
-my $checkpoint = $node->background_psql('postgres');
-$checkpoint->query_safe(q{select injection_points_attach('checkpoint-before-old-wal-removal','wait')});
-$checkpoint->query_until(
-	qr/start-checkpoint/,
-	q(\echo start-checkpoint
-checkpoint;
-\q
-));
-
-# Wait until the checkpoint stops right before removing WAL segments.
-note('waiting for injection_point');
-$node->wait_for_event('checkpointer', 'checkpoint-before-old-wal-removal');
-note('injection_point is reached');
+# Run CHECKPOINT to remove WAL segments
+$node->safe_psql('postgres', 'CHECKPOINT');
 
 # continue create slot command
 $node->safe_psql('postgres', q{select injection_points_wakeup('delay_slot_reserve_wal')});
 
-$createslot->quit();
-
-# continue checkpoint
-$node->safe_psql('postgres', q{select injection_points_wakeup('checkpoint-before-old-wal-removal')});
-
 # check if slot is invalidated
 $res = $node->safe_psql('postgres',
 	"select invalidation_reason from pg_replication_slots where slot_name='standby1'");
-- 
2.47.3