Neo4j GraphQL 库模式检查器，属性名称用点分隔

Question

我使用以下代码来自动内省现有的 Neo4j 模式：

import { toGraphQLTypeDefs } from "@neo4j/introspector";
import fs from "fs";
import neo4j from "neo4j-driver";

const driver = neo4j.driver(
    "neo4j://localhost:7687",
    neo4j.auth.basic("neo4j", "neo4j")
);

const sessionFactory = () => driver.session({ defaultAccessMode: neo4j.session.READ })

async function main() {
    const typeDefs = await toGraphQLTypeDefs(sessionFactory)
    fs.writeFileSync('schema.graphql', typeDefs)
    await driver.close();
}
main()

在现有的 Neo4j 数据库上，它会生成以下内容：

type BaseEntity10 @node(labels: ["BaseEntity", "CompanyType", "CompositeEntity", "Requirable"]) {
    baseEntity16SCompanyTypeOf: [BaseEntity16!]! @relationship(type: "COMPANY_TYPE_OF", direction: IN)
    createdAt: BigInt!
    createdByBaseEntity4S: [BaseEntity4!]! @relationship(type: "CREATED_BY", direction: OUT)
    id: BigInt!
    lowerName: String!
    name: String!
    nameSlug: String!
    properties.lowerNameMonolithic: String!
    properties.lowerNameWhitespace: String!
    status: String!
    system: Boolean!
    updatedAt: BigInt!
    uuid: String!
}

问题在于以下定义：

properties.lowerNameMonolithic: String!
properties.lowerNameWhitespace: String!

在 https://graphql-toolbox.neo4j.io/ 中，当我尝试构建此架构时，收到错误：

Syntax Error: Unexpected character: ".".
Locations: [{"line":24,"column":12}]

如何正确内省名称以点分隔的现有属性？

Answer 1

GraphQL 仅允许在 names 中使用字母数字字符和下划线。

如果您的图形数据模型的属性名称包含特殊符号（例如“.”），您应该考虑更改这些属性名称以符合 GraphQL 要求（例如，“properties_lowerNameMonolithic”而不是“properties.lowerNameMonolithic”）。