SELECT TOP @size fails with R2dbcException about r2dbc-mssql HOT 7 CLOSED

  @GetMapping
  Flux<Metadata> findAll(@RequestParam(defaultValue = "20") final int size) {
    return databaseClient
      .execute()
      .sql("SELECT TOP @P0 * FROM metadata")
      .bind("P0", size)
      .as(Metadata.class)
      .fetch()
      .all();
  }

executeMany;` uncategorized R2dbcException for SQL [SELECT TOP @P0 * FROM metadata]; Incorrect syntax near '@P0'.; nested exception is R2dbcException{errorCode=102, sqlState='S0001'} io.r2dbc.mssql.MssqlException: Incorrect syntax near '@P0'.

      <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-r2dbc</artifactId>
        <version>1.0.0.M1</version>
      </dependency>

      <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-releasetrain</artifactId>
        <version>Lovelace-RELEASE</version>
        <scope>import</scope>
        <type>pom</type>
      </dependency>
      <dependency>
        <groupId>io.r2dbc</groupId>
        <artifactId>r2dbc-spi</artifactId>
        <version>1.0.0.M6</version>
      </dependency>
      <dependency>
        <groupId>io.r2dbc</groupId>
        <artifactId>r2dbc-mssql</artifactId>
        <version>1.0.0.M7</version>
      </dependency>

        SQLServerDriver driver = new SQLServerDriver();
        Properties properties = new Properties();


        Connection connection = driver.connect("jdbc:sqlserver://localhost:1433;databaseName=master", properties);

        PreparedStatement ps = connection.prepareStatement("SELECT TOP ? * FROM mytable");
        ps.setInt(1, 10);
        ps.executeQuery();

Mär 15, 2019 3:04:26 PM com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement buildExecSQLParams
FEIN: SQLServerPreparedStatement:1: calling sp_executesql: SQL:SELECT TOP @P0 * FROM mytable    

com.microsoft.sqlserver.jdbc.SQLServerException: Incorrect syntax near '@P0'.

	at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:254)

   return databaseClient.select()
      .from(Metadata.class)
      .page(PageRequest.of(page, size))
      .fetch()
      .all();