Spring启动数据r2dbc自动创建表

Question

我有一个简单的问题，是否可以使用 Spring Boot Data r2dbc for MySQL 或其他数据库自动生成表？在 JPA 中，我添加了 spring.jpa.hibernate.ddl-auto=update 并创建了表

这是我的pom：

    <dependencies>
    <dependency>
        <groupId>org.springframework.boot.experimental</groupId>
        <artifactId>spring-boot-starter-data-r2dbc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-webflux</artifactId>
    </dependency>
    <dependency>
        <groupId>dev.miku</groupId>
        <artifactId>r2dbc-mysql</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
        <exclusions>
            <exclusion>
                <groupId>org.junit.vintage</groupId>
                <artifactId>junit-vintage-engine</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot.experimental</groupId>
        <artifactId>spring-boot-test-autoconfigure-r2dbc</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>io.projectreactor</groupId>
        <artifactId>reactor-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>io.netty</groupId>
        <artifactId>netty-all</artifactId>
        <version>4.1.43.Final</version>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
</dependencies>

Answer 1

我知道这不是确切的答案，但在 R2DBC 中创建表的唯一方法是利用databasePopulator：

@Bean
fun initializer(connectionFactory: ConnectionFactory) =
    ConnectionFactoryInitializer().apply {
        setConnectionFactory(connectionFactory)
        setDatabasePopulator(CompositeDatabasePopulator()
            .apply {
                addPopulators(ResourceDatabasePopulator(FileSystemResource("src/test/resources/sql/init.sql")))
            })
    }

它可以在测试期间派上用场。