Dandandan commented on code in PR #2885: URL: https://github.com/apache/arrow-datafusion/pull/2885#discussion_r919263175
########## datafusion/optimizer/src/optimizer.rs: ########## @@ -44,15 +44,23 @@ pub struct OptimizerConfig { /// Query execution start time that can be used to rewrite expressions such as `now()` /// to use a literal value instead pub query_execution_start_time: DateTime<Utc>, + next_id: usize, } impl OptimizerConfig { /// Create optimizer config pub fn new() -> Self { Self { query_execution_start_time: chrono::Utc::now(), + next_id: 1, } } + + pub fn next_id(&mut self) -> usize { + let id = self.next_id; + self.next_id += 1; + id Review Comment: ```suggestion self.cur_id += 1; self.cur_id ``` And start cur_id at 0? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org