elliotchance · December 4, 2019 22:55 · Dec 4, 2019
diff --git a/5.py b/5.py
@@ -0,0 +1,11 @@
+class RepeatableReadTransaction(ReadCommittedTransaction):
+    def record_is_locked(self, record):
+        return ReadCommittedTransaction.record_is_locked(self, record) or \
+            self.table.locks.exists(self, record['id'])
+
+    def record_is_visible(self, record):
+        is_visible = ReadCommittedTransaction.record_is_visible(self, record)
+        if is_visible:
+            self.table.locks.add(self, record['id'])
+
+        return is_visible