tmp1

Signed-off-by: junxiang Mu <1948535941@qq.com>

s3select/api/src/query/dispatcher.rs

@@ -0,0 +1,36 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+
+use crate::QueryResult;
+
+use super::{
+    execution::{Output, QueryStateMachine},
+    logical_planner::Plan,
+    Query,
+};
+
+#[async_trait]
+pub trait QueryDispatcher: Send + Sync {
+    async fn start(&self) -> QueryResult<()>;
+
+    fn stop(&self);
+
+    // fn create_query_id(&self) -> QueryId;
+
+    // fn query_info(&self, id: &QueryId);
+
+    async fn execute_query(&self, query: &Query) -> QueryResult<Output>;
+
+    async fn build_logical_plan(&self, query_state_machine: Arc<QueryStateMachine>) -> QueryResult<Option<Plan>>;
+
+    async fn execute_logical_plan(&self, logical_plan: Plan, query_state_machine: Arc<QueryStateMachine>) -> QueryResult<Output>;
+
+    async fn build_query_state_machine(&self, query: Query) -> QueryResult<Arc<QueryStateMachine>>;
+
+    // fn running_query_infos(&self) -> Vec<QueryInfo>;
+
+    // fn running_query_status(&self) -> Vec<QueryStatus>;
+
+    // fn cancel_query(&self, id: &QueryId);
+}