Jimexist commented on a change in pull request #506:
URL: https://github.com/apache/arrow-datafusion/pull/506#discussion_r646119730
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File path: datafusion/src/logical_plan/expr.rs
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@@ -1283,8 +1284,23 @@ impl fmt::Debug for Expr {
Expr::ScalarUDF { fun, ref args, .. } => {
fmt_function(f, &fun.name, false, args)
}
- Expr::WindowFunction { fun, ref args, .. } => {
- fmt_function(f, &fun.to_string(), false, args)
+ Expr::WindowFunction {
+ fun,
+ ref args,
+ window_frame,
+ ..
+ } => {
+ fmt_function(f, &fun.to_string(), false, args)?;
+ if let Some(window_frame) = window_frame {
+ write!(
+ f,
+ " {} BETWEEN {} AND {}",
Review comment:
It's intentional because the space is a separator from function name
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