should be it

external/duckdb/scripts/generate_plan_storage_version.py

@@ -0,0 +1,39 @@
+# this script re-generates the binary file used for Test deserialized plans from file
+# before running this script, increment the version number in src/planner/logical_operator.cpp and
+# recompile (make debug)
+# Note that the test is not linked unless you BUILD_TPCH=1
+
+import os
+import subprocess
+from python_helpers import open_utf8
+
+shell_proc = os.path.join('build', 'debug', 'test', 'unittest')
+gen_binary_file = os.path.join('test', 'api', 'serialized_plans', 'serialized_plans.binary')
+
+
+def try_remove_file(fname):
+    try:
+        os.remove(fname)
+    except:
+        pass
+
+
+try_remove_file(gen_binary_file)
+
+
+def run_test(test):
+    print(test)
+    env = os.environ.copy()
+    env["GEN_PLAN_STORAGE"] = "1"
+    res = subprocess.run([shell_proc, test], capture_output=True, env=env)
+    stdout = res.stdout.decode('utf8').strip()
+    stderr = res.stderr.decode('utf8').strip()
+    if res.returncode != 0:
+        print("Failed to create binary file!")
+        print("----STDOUT----")
+        print(stdout)
+        print("----STDERR----")
+        print(stderr)
+
+
+run_test("Generate serialized plans file")