[
    {
        "schema":"test",
        "tables": [
            "Parent",
            "Child"
        ],
        "actions":["insert", "update"],
        "pipelines": [
            {
                "DoSQL":{
                    "sql":"SELECT Parent.id, Parent.name, Parent.sex, group_concat(concat_ws('_', Child.name, Child.sex) separator ',') as Childs FROM Parent join Child on Parent.id = Child.parent_id WHERE (?) GROUP BY Parent.id",
                    "placeholders":{
                        "Parent":"id",
                        "Child":"parent_id"
                    }
                }
            },
            {
                "Object":{
                    "common":"profile",
                    "fields":{
                        "name":"es_name",
                        "sex":"es_sex"
                    }
                }
            },
            {
                "NestedArray":{
                    "sql_field":"Childs",
                    "common":"childs",
                    "pos2fields":{
                        "es_name":1,
                        "es_sex":2
                    },
                    "fields_seprator": "_",
                    "group_seprator": ","
                }
            },
            {
                "SetDocID": {
                    "doc_id": "id"
                }
            }
        ],
        "dest":{
            "index":"test_es"
        }
    }
]