xudong963 commented on a change in pull request #1639:
URL: https://github.com/apache/arrow-datafusion/pull/1639#discussion_r790145841
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File path: datafusion/src/sql/planner.rs
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@@ -213,9 +213,19 @@ impl<'a, S: ContextProvider> SqlToRel<'a, S> {
) -> Result<LogicalPlan> {
let set_expr = &query.body;
if let Some(with) = &query.with {
+ // a `WITH` block can't use the same name for many times
+ let mut cte_names = HashSet::new();
Review comment:
Oh, good catch, we can reuse `ctes`!
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