51.11. 使用命名参数

   from("direct:projects")
     .setHeader("lic", constant("ASF"))
     .setHeader("min", constant(123))
     .to("sql:select * from projects where license = :#lic and id > :#min order by id")

   from("direct:projects")
     .setHeader("lic", constant("ASF"))
     .setHeader("min", constant(123))
     .to("sql:select * from projects where license = :#lic and id > :#min order by id")

   from("direct:projects")
     .to("sql:select * from projects where license = :#lic and id > :#min order by id")

   from("direct:projects")
     .to("sql:select * from projects where license = :#lic and id > :#min order by id")