UPSERT_CHECKPOINTS_SQL

UPSERT_CHECKPOINTS_SQL = '\n    INSERT INTO checkpoints (
  thread_id,
  checkpoint_ns,
  checkpoint_id,
  parent_checkpoint_id,
  checkpoint,
  metadata)\n    VALUES (%s,
  %s,
  %s,
  %s,
  %s,
  %s)\n    ON CONFLICT (thread_id,
  checkpoint_ns,
  checkpoint_id
)\n    DO UPDATE SET\n        checkpoint = EXCLUDED.checkpoint,\n        metadata = EXCLUDED.metadata;\n'