[GitHub] [arrow-datafusion] alamb commented on a diff in pull request #2568: Remove `scan_empty` method from `LogicalPlanBuilder`

[GitBox <gi...@apache.org>]

alamb commented on code in PR #2568:
URL: https://github.com/apache/arrow-datafusion/pull/2568#discussion_r875916573


##########
datafusion/core/src/test_util.rs:
##########
@@ -232,6 +235,17 @@ fn get_data_dir(udf_env: &str, submodule_data: &str) -> Result<PathBuf, Box<dyn
     }
 }
 
+/// Scan an empty data source, mainly used in tests
+pub fn scan_empty(
+    name: Option<&str>,
+    table_schema: &Schema,
+    projection: Option<Vec<usize>>,
+) -> Result<LogicalPlanBuilder, DataFusionError> {
+    let table_schema = Arc::new(table_schema.clone());
+    let provider = Arc::new(EmptyTable::new(table_schema));

Review Comment:
   TIL: `EmptyTable`



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