Support delete vertex without edge

src/graph/validator/MutateValidator.cpp

@@ -306,15 +306,17 @@ Status DeleteVerticesValidator::validateImpl() {
       vertices_.emplace_back(std::move(idStatus).value());
     }
   }
-
-  auto ret = qctx_->schemaMng()->getAllEdge(spaceId_);
-  NG_RETURN_IF_ERROR(ret);
-  edgeNames_ = std::move(ret).value();
-  for (auto &name : edgeNames_) {
-    auto edgeStatus = qctx_->schemaMng()->toEdgeType(spaceId_, name);
-    NG_RETURN_IF_ERROR(edgeStatus);
-    auto edgeType = edgeStatus.value();
-    edgeTypes_.emplace_back(edgeType);
+  withEdge_ = sentence->withEdge();
+  if (withEdge_) {
+    auto ret = qctx_->schemaMng()->getAllEdge(spaceId_);
+    NG_RETURN_IF_ERROR(ret);
+    edgeNames_ = std::move(ret).value();
+    for (auto &name : edgeNames_) {
+      auto edgeStatus = qctx_->schemaMng()->toEdgeType(spaceId_, name);
+      NG_RETURN_IF_ERROR(edgeStatus);
+      auto edgeType = edgeStatus.value();
+      edgeTypes_.emplace_back(edgeType);
+    }
   }
   return Status::OK();
 }
@@ -347,68 +349,71 @@ Status DeleteVerticesValidator::toPlan() {
 
   auto *dedupVid = Dedup::make(qctx_, nullptr);
   dedupVid->setInputVar(vidVar);
+  DeleteVertices *dvNode = nullptr;
+  if (withEdge_) {
+    std::vector<storage::cpp2::EdgeProp> edgeProps;
+    // make edgeRefs and edgeProp
+    auto index = 0u;
+    DCHECK(edgeTypes_.size() == edgeNames_.size());
+    auto *pool = qctx_->objPool();
+    for (auto &name : edgeNames_) {
+      auto *edgeKeyRef = new EdgeKeyRef(EdgeSrcIdExpression::make(pool, name),
+                                        EdgeDstIdExpression::make(pool, name),
+                                        EdgeRankExpression::make(pool, name));
+      edgeKeyRef->setType(EdgeTypeExpression::make(pool, name));
+      qctx_->objPool()->add(edgeKeyRef);
+      edgeKeyRefs_.emplace_back(edgeKeyRef);
+
+      storage::cpp2::EdgeProp edgeProp;
+      edgeProp.set_type(edgeTypes_[index]);
+      edgeProp.props_ref().value().emplace_back(kSrc);
+      edgeProp.props_ref().value().emplace_back(kDst);
+      edgeProp.props_ref().value().emplace_back(kType);
+      edgeProp.props_ref().value().emplace_back(kRank);
+      edgeProps.emplace_back(edgeProp);
+
+      edgeProp.set_type(-edgeTypes_[index]);
+      edgeProps.emplace_back(std::move(edgeProp));
+      index++;
+    }
 
-  std::vector<storage::cpp2::EdgeProp> edgeProps;
-  // make edgeRefs and edgeProp
-  auto index = 0u;
-  DCHECK(edgeTypes_.size() == edgeNames_.size());
-  auto *pool = qctx_->objPool();
-  for (auto &name : edgeNames_) {
-    auto *edgeKeyRef = new EdgeKeyRef(EdgeSrcIdExpression::make(pool, name),
-                                      EdgeDstIdExpression::make(pool, name),
-                                      EdgeRankExpression::make(pool, name));
-    edgeKeyRef->setType(EdgeTypeExpression::make(pool, name));
-    qctx_->objPool()->add(edgeKeyRef);
-    edgeKeyRefs_.emplace_back(edgeKeyRef);
-
-    storage::cpp2::EdgeProp edgeProp;
-    edgeProp.set_type(edgeTypes_[index]);
-    edgeProp.props_ref().value().emplace_back(kSrc);
-    edgeProp.props_ref().value().emplace_back(kDst);
-    edgeProp.props_ref().value().emplace_back(kType);
-    edgeProp.props_ref().value().emplace_back(kRank);
-    edgeProps.emplace_back(edgeProp);
-
-    edgeProp.set_type(-edgeTypes_[index]);
-    edgeProps.emplace_back(std::move(edgeProp));
-    index++;
-  }
-
-  auto vertexPropsPtr = std::make_unique<std::vector<storage::cpp2::VertexProp>>();
-  auto edgePropsPtr = std::make_unique<std::vector<storage::cpp2::EdgeProp>>(edgeProps);
-  auto statPropsPtr = std::make_unique<std::vector<storage::cpp2::StatProp>>();
-  auto exprPtr = std::make_unique<std::vector<storage::cpp2::Expr>>();
-  auto *getNeighbors = GetNeighbors::make(qctx_,
-                                          dedupVid,
-                                          spaceId_,
-                                          vidRef_,
-                                          edgeTypes_,
-                                          storage::cpp2::EdgeDirection::BOTH,
-                                          nullptr,
-                                          std::move(edgePropsPtr),
-                                          std::move(statPropsPtr),
-                                          std::move(exprPtr));
-
-  auto *yieldColumns = pool->makeAndAdd<YieldColumns>();
-  yieldColumns->addColumn(new YieldColumn(EdgeSrcIdExpression::make(pool, "*"), kSrc));
-  yieldColumns->addColumn(new YieldColumn(EdgeTypeExpression::make(pool, "*"), kType));
-  yieldColumns->addColumn(new YieldColumn(EdgeRankExpression::make(pool, "*"), kRank));
-  yieldColumns->addColumn(new YieldColumn(EdgeDstIdExpression::make(pool, "*"), kDst));
-  auto *edgeKey = Project::make(qctx_, getNeighbors, yieldColumns);
-
-  auto *dedupEdgeKey = Dedup::make(qctx_, edgeKey);
-
-  // create deleteEdges node
-  auto *edgeKeyRef = pool->makeAndAdd<EdgeKeyRef>(InputPropertyExpression::make(pool, kSrc),
-                                                  InputPropertyExpression::make(pool, kDst),
-                                                  InputPropertyExpression::make(pool, kRank),
-                                                  true);
-  edgeKeyRef->setType(InputPropertyExpression::make(pool, kType));
-  auto *deNode = DeleteEdges::make(qctx_, dedupEdgeKey, spaceId_, edgeKeyRef);
-
-  auto *dvNode = DeleteVertices::make(qctx_, deNode, spaceId_, vidRef_);
-
-  dvNode->setInputVar(dedupVid->outputVar());
+    auto vertexPropsPtr = std::make_unique<std::vector<storage::cpp2::VertexProp>>();
+    auto edgePropsPtr = std::make_unique<std::vector<storage::cpp2::EdgeProp>>(edgeProps);
+    auto statPropsPtr = std::make_unique<std::vector<storage::cpp2::StatProp>>();
+    auto exprPtr = std::make_unique<std::vector<storage::cpp2::Expr>>();
+    auto *getNeighbors = GetNeighbors::make(qctx_,
+                                            dedupVid,
+                                            spaceId_,
+                                            vidRef_,
+                                            edgeTypes_,
+                                            storage::cpp2::EdgeDirection::BOTH,
+                                            nullptr,
+                                            std::move(edgePropsPtr),
+                                            std::move(statPropsPtr),
+                                            std::move(exprPtr));
+
+    auto *yieldColumns = pool->makeAndAdd<YieldColumns>();
+    yieldColumns->addColumn(new YieldColumn(EdgeSrcIdExpression::make(pool, "*"), kSrc));
+    yieldColumns->addColumn(new YieldColumn(EdgeTypeExpression::make(pool, "*"), kType));
+    yieldColumns->addColumn(new YieldColumn(EdgeRankExpression::make(pool, "*"), kRank));
+    yieldColumns->addColumn(new YieldColumn(EdgeDstIdExpression::make(pool, "*"), kDst));
+    auto *edgeKey = Project::make(qctx_, getNeighbors, yieldColumns);
+
+    auto *dedupEdgeKey = Dedup::make(qctx_, edgeKey);
+
+    // create deleteEdges node
+    auto *edgeKeyRef = pool->makeAndAdd<EdgeKeyRef>(InputPropertyExpression::make(pool, kSrc),
+                                                    InputPropertyExpression::make(pool, kDst),
+                                                    InputPropertyExpression::make(pool, kRank),
+                                                    true);
+    edgeKeyRef->setType(InputPropertyExpression::make(pool, kType));
+    auto *deNode = DeleteEdges::make(qctx_, dedupEdgeKey, spaceId_, edgeKeyRef);
+
+    dvNode = DeleteVertices::make(qctx_, deNode, spaceId_, vidRef_);
+    dvNode->setInputVar(dedupVid->outputVar());
+  } else {
+    dvNode = DeleteVertices::make(qctx_, dedupVid, spaceId_, vidRef_);
+  }
   root_ = dvNode;
   tail_ = dedupVid;
   return Status::OK();
@@ -417,7 +422,6 @@ Status DeleteVerticesValidator::toPlan() {
 Status DeleteTagsValidator::validateImpl() {
   auto sentence = static_cast<DeleteTagsSentence *>(sentence_);
   spaceId_ = vctx_->whichSpace().id;
-
   if (sentence->vertices()->isRef()) {
     vidRef_ = sentence->vertices()->ref();
     auto type = deduceExprType(vidRef_);

src/graph/validator/MutateValidator.h

@@ -83,6 +83,7 @@ class DeleteVerticesValidator final : public Validator {
   std::vector<EdgeType> edgeTypes_;
   std::vector<std::string> edgeNames_;
   std::vector<EdgeKeyRef*> edgeKeyRefs_;
+  bool withEdge_{true};
 };
 
 class DeleteTagsValidator final : public Validator {

src/graph/validator/test/MutateValidatorTest.cpp

@@ -61,7 +61,7 @@ TEST_F(MutateValidatorTest, InsertEdgeTest) {
 TEST_F(MutateValidatorTest, DeleteVertexTest) {
   // succeed
   {
-    auto cmd = "DELETE VERTEX \"A\"";
+    auto cmd = "DELETE VERTEX \"A\" WITH EDGE";
     std::vector<PlanNode::Kind> expected = {
         PK::kDeleteVertices,
         PK::kDeleteEdges,
@@ -73,9 +73,18 @@ TEST_F(MutateValidatorTest, DeleteVertexTest) {
     };
     ASSERT_TRUE(checkResult(cmd, expected));
   }
+  {
+    auto cmd = "DELETE VERTEX \"A\"";
+    std::vector<PlanNode::Kind> expected = {
+        PK::kDeleteVertices,
+        PK::kDedup,
+        PK::kStart,
+    };
+    ASSERT_TRUE(checkResult(cmd, expected));
+  }
   // pipe
   {
-    auto cmd = "GO FROM \"C\" OVER like YIELD like._dst as dst | DELETE VERTEX $-.dst";
+    auto cmd = "GO FROM \"C\" OVER like YIELD like._dst as dst | DELETE VERTEX $-.dst WITH EDGE";
     std::vector<PlanNode::Kind> expected = {
         PK::kDeleteVertices,
         PK::kDeleteEdges,
@@ -89,9 +98,20 @@ TEST_F(MutateValidatorTest, DeleteVertexTest) {
     };
     ASSERT_TRUE(checkResult(cmd, expected));
   }
+  {
+    auto cmd = "GO FROM \"C\" OVER like YIELD like._dst as dst | DELETE VERTEX $-.dst";
+    std::vector<PlanNode::Kind> expected = {
+        PK::kDeleteVertices,
+        PK::kDedup,
+        PK::kProject,
+        PK::kGetNeighbors,
+        PK::kStart,
+    };
+    ASSERT_TRUE(checkResult(cmd, expected));
+  }
   // pipe wrong input
   {
-    auto cmd = "GO FROM \"C\" OVER E YIELD E._dst as dst | DELETE VERTEX $-.a";
+    auto cmd = "GO FROM \"C\" OVER E YIELD E._dst as dst | DELETE VERTEX $-.a WITH EDGE";
     ASSERT_FALSE(checkResult(cmd));
   }
 }

src/parser/MutateSentences.h

@@ -405,18 +405,22 @@ class UpdateEdgeSentence final : public UpdateBaseSentence {
 
 class DeleteVerticesSentence final : public Sentence {
  public:
-  explicit DeleteVerticesSentence(VertexIDList *vidList)
-      : Sentence(Kind::kDeleteVertices), vertices_(new VerticesClause(vidList)) {}
+  DeleteVerticesSentence(VertexIDList *vidList, bool withEdge)
+      : Sentence(Kind::kDeleteVertices),
+        vertices_(new VerticesClause(vidList)),
+        withEdge_(withEdge) {}
 
-  explicit DeleteVerticesSentence(Expression *ref)
-      : Sentence(Kind::kDeleteVertices), vertices_(new VerticesClause(ref)) {}
+  DeleteVerticesSentence(Expression *ref, bool withEdge)
+      : Sentence(Kind::kDeleteVertices), vertices_(new VerticesClause(ref)), withEdge_(withEdge) {}
 
   const VerticesClause *vertices() const { return vertices_.get(); }
 
   std::string toString() const override;
+  bool withEdge() const { return withEdge_; }
 
  private:
   std::unique_ptr<VerticesClause> vertices_;
+  bool withEdge_{true};
 };
 
 class DeleteTagsSentence final : public Sentence {

src/parser/parser.yy

@@ -368,7 +368,7 @@ static constexpr size_t kCommentLengthLimit = 256;
 
 %type <sentence> mutate_sentence
 %type <sentence> insert_vertex_sentence insert_edge_sentence
-%type <sentence> delete_vertex_sentence delete_edge_sentence delete_tag_sentence
+%type <sentence> delete_vertex_sentence delete_edge_sentence delete_tag_sentence delete_vertex_with_edge_sentence
 %type <sentence> update_vertex_sentence update_edge_sentence
 %type <sentence> download_sentence ingest_sentence
 
@@ -2927,11 +2927,24 @@ update_edge_sentence
 
 delete_vertex_sentence
     : KW_DELETE KW_VERTEX vid_list {
-        auto sentence = new DeleteVerticesSentence($3);
+        auto sentence = new DeleteVerticesSentence($3, false);
         $$ = sentence;
     }
     | KW_DELETE KW_VERTEX vid_ref_expression {
-        auto sentence = new DeleteVerticesSentence($3);
+        auto sentence = new DeleteVerticesSentence($3, false);
+        $$ = sentence;
+    }
+    | KW_DELETE KW_VERTEX delete_vertex_with_edge_sentence {
+        $$ = $3;
+    }
+    ;
+delete_vertex_with_edge_sentence
+    : vid_list KW_WITH KW_EDGE {
+        auto sentence = new DeleteVerticesSentence($1, true);
+        $$ = sentence;
+    }
+    | vid_ref_expression KW_WITH KW_EDGE {
+        auto sentence = new DeleteVerticesSentence($1, true);
         $$ = sentence;
     }
     ;

tests/bench/delete.py

@@ -48,7 +48,7 @@ def delete(self, duration=0.000001):
                     for col in row.columns:
                         if col.getType() == ttypes.ColumnValue.ID:
                             id = col.get_id()
-                            resp = self.execute('DELETE VERTEX {0}'.format(id))
+                            resp = self.execute('DELETE VERTEX {0} WITH EDGE'.format(id))
                             self.check_resp_succeeded(resp)
 
             resp = self.execute('lookup on person where person.age == {0} '.format(i))

tests/query/bugs/fixed_delete_vertex_1996.py

@@ -27,7 +27,7 @@ def test_issue1996(self):
         time.sleep(self.delay)
         resp = self.execute('INSERT VERTEX person(name, age) VALUES 101:("Tony Parker", 36)')
         self.check_resp_succeeded(resp)
-        resp = self.execute('DELETE VERTEX 101')
+        resp = self.execute('DELETE VERTEX 101 WITH EDGE')
         self.check_resp_succeeded(resp)
 
     @classmethod

tests/tck/features/delete/DeleteVertex.IntVid.feature

@@ -44,7 +44,7 @@ Feature: Delete int vid of vertex
     # delete one vertex
     When executing query:
       """
-      DELETE VERTEX hash("Tony Parker");
+      DELETE VERTEX hash("Tony Parker") WITH EDGE;
       """
     Then the execution should be successful
     # after delete to check value by fetch
@@ -89,7 +89,7 @@ Feature: Delete int vid of vertex
     # delete multi vertexes
     When executing query:
       """
-      DELETE VERTEX hash("LeBron James"), hash("Dwyane Wade"), hash("Carmelo Anthony");
+      DELETE VERTEX hash("LeBron James"), hash("Dwyane Wade"), hash("Carmelo Anthony") WITH EDGE;
       """
     Then the execution should be successful
     # after delete multi vertexes to check value by go
@@ -136,7 +136,7 @@ Feature: Delete int vid of vertex
     # delete hash id vertex
     When executing query:
       """
-      DELETE VERTEX hash("Grant Hill")
+      DELETE VERTEX hash("Grant Hill") WITH EDGE
       """
     Then the execution should be successful
     # after delete hash id vertex to check value by go
@@ -165,14 +165,14 @@ Feature: Delete int vid of vertex
     # delete not existed vertex
     When executing query:
       """
-      DELETE VERTEX hash("Non-existing Vertex")
+      DELETE VERTEX hash("Non-existing Vertex") WITH EDGE
       """
     Then the execution should be successful
     # delete a vertex without edges
     When executing query:
       """
       INSERT VERTEX player(name, age) VALUES hash("A Loner"): ("A Loner", 0);
-      DELETE VERTEX hash("A Loner");
+      DELETE VERTEX hash("A Loner") WITH EDGE;
       """
     Then the execution should be successful
     # check delete a vertex without edges
@@ -185,7 +185,7 @@ Feature: Delete int vid of vertex
     # delete with no edge
     When executing query:
       """
-      DELETE VERTEX hash("Nobody")
+      DELETE VERTEX hash("Nobody") WITH EDGE
       """
     Then the execution should be successful
     # check delete with no edge
@@ -201,7 +201,7 @@ Feature: Delete int vid of vertex
     # test delete with pipe wrong vid type
     When executing query:
       """
-      GO FROM hash("Boris Diaw") OVER like YIELD (string)like._src as id | DELETE VERTEX $-.id
+      GO FROM hash("Boris Diaw") OVER like YIELD (string)like._src as id | DELETE VERTEX $-.id WITH EDGE
       """
     Then a SemanticError should be raised at runtime:
     # delete with pipe, get result by go
@@ -232,7 +232,7 @@ Feature: Delete int vid of vertex
       | "Manu Ginobili" |
     When executing query:
       """
-      GO FROM hash("Boris Diaw") OVER like YIELD like._dst as id | DELETE VERTEX $-.id
+      GO FROM hash("Boris Diaw") OVER like YIELD like._dst as id | DELETE VERTEX $-.id WITH EDGE
       """
     Then the execution should be successful
     When executing query:
@@ -257,7 +257,7 @@ Feature: Delete int vid of vertex
   Scenario: delete with pipe failed, because of the wrong vid type
     When executing query:
       """
-      USE nba_int_vid;YIELD "Tom" as id | DELETE VERTEX $-.id;
+      USE nba_int_vid;YIELD "Tom" as id | DELETE VERTEX $-.id WITH EDGE;
       """
     Then a SemanticError should be raised at runtime: The vid `$-.id' should be type of `INT', but was`STRING'
     Then drop the used space
@@ -288,7 +288,7 @@ Feature: Delete int vid of vertex
       | "Russell Westbrook" |
     When executing query:
       """
-      $var = GO FROM hash("Russell Westbrook") OVER like YIELD like._dst as id; DELETE VERTEX $var.id
+      $var = GO FROM hash("Russell Westbrook") OVER like YIELD like._dst as id; DELETE VERTEX $var.id WITH EDGE
       """
     Then the execution should be successful
     When executing query: