github.com/vescale/zgraph@v0.0.0-20230410094002-959c02d50f95/planner/insert.go (about) 1 // Copyright 2022 zGraph Authors. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package planner 16 17 import ( 18 "github.com/vescale/zgraph/catalog" 19 "github.com/vescale/zgraph/expression" 20 "github.com/vescale/zgraph/parser/ast" 21 ) 22 23 // Insert represents the plan of INSERT statement. 24 type Insert struct { 25 basePlan 26 27 Graph *catalog.Graph 28 Insertions []*ElementInsertion 29 MatchPlan Plan 30 } 31 32 // ElementInsertion represents a graph insertion element. 33 type ElementInsertion struct { 34 Type ast.InsertionType 35 // INSERT EDGE e BETWEEN x AND y FROM MATCH (x) , MATCH (y) WHERE id(x) = 1 AND id(y) = 2 36 // FromIDExpr and ToIDExpr are the expressions to get the ID of the source and destination vertex. 37 FromIDExpr expression.Expression 38 ToIDExpr expression.Expression 39 Labels []*catalog.Label 40 Assignments []*expression.Assignment 41 }