feat: read/write works in distributed mode 🎉 (#2327)

* add do_get method to RegionRequestHandler

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* move RegionRequestHandler to client crate

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* use RegionRequestHandler in MergeScan

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* minor fix

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* ignore tests

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* fix format

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

src/script/benches/py_benchmark.rs

@@ -52,7 +52,7 @@ where
 pub(crate) fn sample_script_engine() -> PyEngine {
     let catalog_manager =
         MemoryCatalogManager::new_with_table(NumbersTable::table(NUMBERS_TABLE_ID));
-    let query_engine = QueryEngineFactory::new(catalog_manager, false).query_engine();
+    let query_engine = QueryEngineFactory::new(catalog_manager, None, false).query_engine();
 
     PyEngine::new(query_engine.clone())
 }

src/script/src/manager.rs

@@ -41,7 +41,7 @@ impl ScriptManager {
         Ok(Self {
             compiled: RwLock::new(HashMap::default()),
             py_engine: PyEngine::new(query_engine.clone()),
-            table: ScriptsTable::new(catalog_manager, query_engine).await?,
+            table: ScriptsTable::new_empty(catalog_manager, query_engine)?,
         })
     }
 
@@ -139,6 +139,7 @@ mod tests {
 
     type DefaultEngine = MitoEngine<EngineImpl<RaftEngineLogStore>>;
 
+    #[ignore = "script engine is temporary disabled"]
     #[tokio::test]
     async fn test_insert_find_compile_script() {
         let wal_dir = create_temp_dir("test_insert_find_compile_script_wal");
@@ -168,7 +169,7 @@ mod tests {
                 .unwrap(),
         );
 
-        let factory = QueryEngineFactory::new(catalog_manager.clone(), false);
+        let factory = QueryEngineFactory::new(catalog_manager.clone(), None, false);
         let query_engine = factory.query_engine();
         let mgr = ScriptManager::new(catalog_manager.clone(), query_engine)
             .await

src/script/src/python/engine.rs

@@ -372,7 +372,7 @@ mod tests {
     pub(crate) fn sample_script_engine() -> PyEngine {
         let catalog_manager =
             MemoryCatalogManager::new_with_table(NumbersTable::table(NUMBERS_TABLE_ID));
-        let query_engine = QueryEngineFactory::new(catalog_manager, false).query_engine();
+        let query_engine = QueryEngineFactory::new(catalog_manager, None, false).query_engine();
 
         PyEngine::new(query_engine.clone())
     }

src/script/src/table.rs

@@ -131,6 +131,22 @@ impl ScriptsTable {
         }
         Ok(())
     }
+
+    pub fn new_empty(
+        catalog_manager: CatalogManagerRef,
+        query_engine: QueryEngineRef,
+    ) -> Result<Self> {
+        Ok(Self {
+            catalog_manager,
+            query_engine,
+            name: format_full_table_name(
+                DEFAULT_CATALOG_NAME,
+                DEFAULT_SCHEMA_NAME,
+                SCRIPTS_TABLE_NAME,
+            ),
+        })
+    }
+
     pub async fn new(
         catalog_manager: CatalogManagerRef,
         query_engine: QueryEngineRef,