mustafasrepo commented on code in PR #6703:
URL: https://github.com/apache/arrow-datafusion/pull/6703#discussion_r1238405451
##########
datafusion/core/src/execution/context.rs:
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@@ -786,6 +786,20 @@ impl SessionContext {
.insert(f.name.clone(), Arc::new(f));
}
+ /// Registers an window UDF within this context.
+ ///
+ /// Note in SQL queries, window function names are looked up using
+ /// lowercase unless the query uses quotes. For example,
+ ///
+ /// - `SELECT MY_UDWF(x)...` will look for a window function named
`"my_uwaf"`
Review Comment:
```suggestion
/// - `SELECT MY_UDWF(x)...` will look for a window function named
`"my_udwf"`
```
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