datax replace 的方法

 

{
    "job": {
        "content": [{
            "reader": {
                "name": "mysqlreader",
                "parameter": {
                    "column": [
                        "allnum", "reqid"
                    ],
                    "connection": [{
                        "jdbcUrl": ["jdbc:mysql://127.0.0.1:3306/dmp"],
                        "table": ["tb_dmp_requser"]
                    }],
                    "password": "123456",
                    "username": "root"
                }
            },
            "writer": {
                "name": "mysqlwriter",
                "parameter": {
                    "column": [
                        "allnum", "reqid"
                    ],
                            "preSql": [
                        "delete from tb_dmp_requser"
                    ],
                    "connection": [{
                        "jdbcUrl": "jdbc:mysql://127.0.0.1:3306/dota2_databank",
                        "table": ["tb_dmp_requser"]
                    }],
                    "password": "123456",
                    "username": "root",
                    "writeMode": "replace"
                }
            }
        }],
        "setting": {
            "speed": {
                "channel": "2"
            }
        }
    }
}