message: No longer serialize -> deserialize every SELECT statement (used to be done for testing)
diff: @@ -34,16 +34,17 @@ bool Planner::CreatePlan(ClientContext &context,
  this->success = false;
  try {
  switch (statement->type) {
  - case StatementType::SELECT: {
  - Serializer serializer;
  - ((SelectStatement *)statement.get())->Serialize(serializer);
  - Deserializer source(serializer);
  - auto new_statement = SelectStatement::Deserialize(source);
  - statement.reset();
  - CreatePlan(context, *new_statement);
  - this->success = true;
  - break;
  - }
  + case StatementType::SELECT:
  + // {
  + // Serializer serializer;
  + // ((SelectStatement *)statement.get())->Serialize(serializer);
  + // Deserializer source(serializer);
  + // auto new_statement = SelectStatement::Deserialize(source);
  + // statement.reset();
  + // CreatePlan(context, *new_statement);
  + // this->success = true;
  + // break;
  + // }
  case StatementType::INSERT:
  case StatementType::COPY:
  case StatementType::DELETE:
  