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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