From af373dac0d5a9f51d93d7035de08df982ee17d97 Mon Sep 17 00:00:00 2001
From: tianliplus <tianliplus@users.noreply.github.com>
Date: Wed, 7 Jul 2021 22:29:22 +0800
Subject: [PATCH] fix gremlin-test for mg (#489)

* fix gremlin-test for mg
---
 .../runtime/src/dataflow/manager/range.rs     |  2 +-
 .../src/executor/store/src/db/api/error.rs    |  4 ++
 .../src/executor/store/src/db/graph/store.rs  | 41 +++++++++++++------
 3 files changed, 34 insertions(+), 13 deletions(-)

diff --git a/interactive_engine/src/executor/runtime/src/dataflow/manager/range.rs b/interactive_engine/src/executor/runtime/src/dataflow/manager/range.rs
index fbcf73883fa1..d29fe03ba9e1 100644
--- a/interactive_engine/src/executor/runtime/src/dataflow/manager/range.rs
+++ b/interactive_engine/src/executor/runtime/src/dataflow/manager/range.rs
@@ -76,7 +76,7 @@ impl RangeManager {
             if self.end - self.start < bulk {
                 return self.end - self.start;
             } else if self.curr - self.end < bulk {
-                return bulk - self.curr + self.end;
+                return bulk - (self.curr - self.end);
             } else {
                 return 0;
             }
diff --git a/interactive_engine/src/executor/store/src/db/api/error.rs b/interactive_engine/src/executor/store/src/db/api/error.rs
index 71ecb2620bad..2a1f0fa9b4c8 100644
--- a/interactive_engine/src/executor/store/src/db/api/error.rs
+++ b/interactive_engine/src/executor/store/src/db/api/error.rs
@@ -19,6 +19,10 @@ impl GraphError {
     pub fn add_backtrace(&mut self, function: String, code_info: String) {
         self.backtrace.push((function, code_info));
     }
+
+    pub fn get_error_code(&self) -> GraphErrorCode {
+        self.err_code
+    }
 }
 
 impl Debug for GraphError {
diff --git a/interactive_engine/src/executor/store/src/db/graph/store.rs b/interactive_engine/src/executor/store/src/db/graph/store.rs
index 1adc66a92aca..6f14f674cdc1 100644
--- a/interactive_engine/src/executor/store/src/db/graph/store.rs
+++ b/interactive_engine/src/executor/store/src/db/graph/store.rs
@@ -14,7 +14,7 @@ use super::property::*;
 use super::meta::*;
 use super::bin::*;
 use protobuf::Message;
-use crate::db::api::GraphErrorCode::InvalidData;
+use crate::db::api::GraphErrorCode::{InvalidData, TypeNotFound};
 use crate::db::graph::table_manager::Table;
 
 pub struct GraphStore {
@@ -381,23 +381,40 @@ impl GraphStore {
     }
 
     fn do_query_vertices<'a>(&'a self, si: SnapshotId, label: LabelId, condition: Option<Arc<Condition>>) -> GraphResult<Box<dyn VertexResultIter<V=VertexImpl> + 'a>> {
-        let res = self.vertex_manager.get_type(si, label).and_then(|type_info| {
-            SingleLabelVertexIter::create(si, type_info, self.storage.as_ref(), condition)
-        });
-        match res_unwrap!(res, do_query_vertices, si, label)? {
-            Some(iter) => Ok(Box::new(iter)),
-            None => Ok(Box::new(EmptyResultIter)),
+        let res = self.vertex_manager.get_type(si, label)
+            .and_then(|type_info| SingleLabelVertexIter::create(si, type_info, self.storage.as_ref(), condition));
+        match res_unwrap!(res, do_query_vertices, si, label) {
+            Ok(iter_option) => {
+                match iter_option {
+                    Some(iter) => Ok(Box::new(iter)),
+                    None => Ok(Box::new(EmptyResultIter)),
+                }
+            },
+            Err(e) => {
+                if let TypeNotFound = e.get_error_code()  {
+                    Ok(Box::new(EmptyResultIter))
+                } else {
+                    Err(e)
+                }
+            },
         }
     }
 
     fn do_query_edges<'a>(&'a self, si: SnapshotId, id: VertexId, label: Option<LabelId>, direction: EdgeDirection, condition: Option<Arc<Condition>>) -> GraphResult<Box<dyn EdgeResultIter<E=EdgeImpl> + 'a>> {
         let storage = self.storage.as_ref();
         if let Some(label) = label {
-            let res = self.edge_manager.get_edge(si, label).and_then(|info| {
-                SingleLabelEdgeIter::create(si, id, direction, info, storage, condition)
-            });
-            let iter = res_unwrap!(res, do_query_edges, si, id, label, direction)?;
-            Ok(Box::new(iter))
+            let res = self.edge_manager.get_edge(si, label)
+                .and_then(|info| SingleLabelEdgeIter::create(si, id, direction, info, storage, condition));
+            match res_unwrap!(res, do_query_edges, si, id, label, direction) {
+                Ok(iter) => Ok(Box::new(iter)),
+                Err(e) => {
+                    if let TypeNotFound = e.get_error_code() {
+                        Ok(Box::new(EmptyResultIter))
+                    } else {
+                        Err(e)
+                    }
+                },
+            }
         } else {
             let info_iter = self.edge_manager.get_all_edges(si);
             let res = MultiLabelsEdgeIter::create(si, id, direction, info_iter, storage, condition);