Import wiredtiger: a69bf663f43889880669a5e9e5fd76107f9951b5 from branch mongodb-master

ref: 0cafef49af..a69bf663f4
for: 6.2.0-rc0

WT-9846 Use oldest unstable timestamp to clean history store when no stable updates are on chain

1 files changed, 15 insertions, 0 deletions

diff --git a/src/third_party/wiredtiger/test/suite/test_rollback_to_stable06.py b/src/third_party/wiredtiger/test/suite/test_rollback_to_stable06.py
index 676bf934b6e..38f1661166f 100755
--- a/src/third_party/wiredtiger/test/suite/test_rollback_to_stable06.py
+++ b/src/third_party/wiredtiger/test/suite/test_rollback_to_stable06.py
@@ -129,5 +129,20 @@ class test_rollback_to_stable06(test_rollback_to_stable_base):
         else:
             self.assertGreaterEqual(upd_aborted + hs_removed + keys_removed, nrows * 4)
 
+        if not self.in_memory and self.key_format == 'i':
+            # FIXME-WT-10017: WT-9846 is a temporary fix only for row store and a 
+            # more complete fix including column store will be made in WT-10017.
+            # Once delivered the key_format == 'i' check is no longer needed.
+            # 
+            # Reinsert the same updates with the same timestamps and flush to disk.
+            # If the updates have not been correctly removed by RTS WiredTiger will 
+            # see the key already exists in the history store and abort. 
+            self.large_updates(uri, value_a, ds, nrows, self.prepare, 20)
+            self.large_updates(uri, value_b, ds, nrows, self.prepare, 30)
+            self.large_updates(uri, value_c, ds, nrows, self.prepare, 40)
+            self.large_updates(uri, value_d, ds, nrows, self.prepare, 50)
+
+            self.session.checkpoint()
+
 if __name__ == '__main__':
     wttest.run()