问题背景：
如果ES的数据存在日期类型，并且ES的日期类型本身没有dateFormat的话，同步到MaxCompute默认是空值。如图：
解决办法：
需要在elasticsearch Reader中增加dateFormat属性，格式和要同步的ES日期格式一致就可以了。
如：
{
"type": "job",
"steps": [
{
"stepType": "elasticsearch",
"parameter": {
"search": "",
"endpoint": "http://阿里云es地址:9200",
"password": "密码",
"dateFormat": "yyyy-MM-dd'T'HH:mm:ss.SSSZZ",
"retryCount": 3,
"column": [
"created_time"
],
"scroll": "1m",
"index": "odpstest",
"type": "doc",
"username": "elastic"
},
"name": "Reader",
"category": "reader"
},
{
"stepType": "odps",
"parameter": {
"partition": "",
"truncate": true,
"datasource": "odps_first",
"column": [
"time"
],
"emptyAsNull": false,
"table": "testtime2"
},
"name": "Writer",
"category": "writer"
}
],
"version": "2.0",
"order": {
"hops": [
{
"from": "Reader",
"to": "Writer"
}
]
},
"setting": {
"errorLimit": {
"record": ""
},
"speed": {
"throttle": false,
"concurrent": 2
}
}
}
测试结果：
