Update datafusion/src/physical_plan/window_functions.rs

jimexist · alamb · Jiayu Liu · commit abf08cd137a8 · 2021-05-21T10:46:47.000+08:00
Co-authored-by: Andrew Lamb &lt;andrew@nerdnetworks.org&gt;
diff --git a/datafusion/src/physical_plan/window_functions.rs b/datafusion/src/physical_plan/window_functions.rs
@@ -109,7 +109,7 @@ impl FromStr for BuiltInWindowFunction {
     }
 }
 
-/// Returns the datatype of the scalar function
+/// Returns the datatype of the window function
 pub fn return_type(fun: &WindowFunction, arg_types: &[DataType]) -> Result<DataType> {
     // Note that this function *must* return the same type that the respective physical expression returns
     // or the execution panics.

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ impl FromStr for BuiltInWindowFunction {`
`109`	`109`	`}`
`110`	`110`	`}`
`111`	`111`
`112`		`-/// Returns the datatype of the scalar function`
	`112`	`+/// Returns the datatype of the window function`
`113`	`113`	`pub fn return_type(fun: &WindowFunction, arg_types: &[DataType]) -> Result<DataType> {`
`114`	`114`	`// Note that this function must return the same type that the respective physical expression returns`
`115`	`115`	`// or the execution panics.`