tmp2

Signed-off-by: junxiang Mu <[email protected]>

s3select/query/src/execution/scheduler/local.rs

@@ -0,0 +1,22 @@
+use std::sync::Arc;
+
+use api::query::scheduler::{ExecutionResults, Scheduler};
+use async_trait::async_trait;
+use datafusion::error::DataFusionError;
+use datafusion::execution::context::TaskContext;
+use datafusion::physical_plan::{execute_stream, ExecutionPlan};
+
+pub struct LocalScheduler {}
+
+#[async_trait]
+impl Scheduler for LocalScheduler {
+    async fn schedule(
+        &self,
+        plan: Arc<dyn ExecutionPlan>,
+        context: Arc<TaskContext>,
+    ) -> Result<ExecutionResults, DataFusionError> {
+        let stream = execute_stream(plan, context)?;
+
+        Ok(ExecutionResults::new(stream))
+    }
+}

s3select/query/src/execution/scheduler/mod.rs

@@ -0,0 +1 @@
+pub mod local;