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es 根据索引名称和索引字段更新值
2022-06-27 09:27:00 【ghb5371548】
1:指定索引名称和操作指令
instodayorder_new_2022/_update_by_query
2:执行代码
{
"script": {
"lang": "painless",
"source": "if (ctx._source.reserveString_3== null) {ctx._source.reserveString_3= '0'}"
}
}

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