R2DBC Support
Spring Integration provides channel adapters for receiving and sending messages by using reactive access to databases via R2DBC drivers.
You need to include this dependency into your project:
Maven
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-r2dbc</artifactId>
<version>5.4.0-RC1</version>
</dependency>
Gradle
compile "org.springframework.integration:spring-integration-r2dbc:5.4.0-RC1"