script_fields": { ... }
时间: 2024-09-19 16:15:20 浏览: 10
"script_fields": {} 是Elasticsearch中的一个配置选项,它在搜索或聚合操作中用于执行脚本(scripting),通常是JavaScript或Painless等脚本语言。这个配置块允许你在查询结果中计算自定义字段,这些字段基于文档中的原始字段和其他变量动态生成。例如,你可以通过脚本来计算某个字段的平均值、计数、转换日期格式等。
例如:
```json
{
"aggs": {
"my_agg": {
"terms": { "field": "category" },
"script_fields": {
"average_price": {
"script": {
"source": "doc['price'].value * doc['quantity']"
}
}
}
}
}
}
```
这里,当我们按类别分组时,会为每个组添加一个名为"average_price"的新字段,其值为该组内所有商品价格乘以数量的总和。
相关问题
SELECT vtr.id as id, domain_name, vpn_user, ip_address, http_port, time, FROM_UNIXTIME(TIME,'%Y-%m-%d %H:%i:%S') AS happenTime, dw.`deviceID`, d.`systemType`, d.`devTypeID`,b.`location`, lm.`referenceName`, tm.`partyUnitName`, tm.`safetyGearName`,vtr.estime FROM parter_upgrade_scs_saas_main.video_traffic_record vtr INNER JOIN parter_upgrade_scs_device.device_webcam dw on (vtr.domain_name = dw.domain and vtr.http_port = dw.httpPort) LEFT JOIN parter_upgrade_scs_device.device d ON dw.deviceID = d.id LEFT JOIN parter_upgrade_scs_resource.`bewatched` b ON d.`ownerID`= b.`id` AND d.`ownerType`=2 LEFT JOIN parter_upgrade_scs_saas_main.lease_manage lm ON d.leaseID = lm.id LEFT JOIN parter_upgrade_scs_saas_main.tenant_manage tm ON lm.tenantID = tm.id用elasticsearch怎么写?
以下是一个可能的Elasticsearch查询:
```
POST parter_upgrade_scs_saas_main.video_traffic_record/_search
{
"_source": ["id", "domain_name", "vpn_user", "ip_address", "http_port", "time", "estime"],
"query": {
"bool": {
"must": [
{
"exists": {
"field": "estime"
}
}
]
}
},
"aggs": {
"group_by": {
"composite": {
"size": 1000,
"sources": [
{
"domain_name": {
"terms": {
"field": "domain_name"
}
}
},
{
"http_port": {
"terms": {
"field": "http_port"
}
}
},
{
"date": {
"date_histogram": {
"field": "time",
"calendar_interval": "day",
"format": "yyyy-MM-dd"
}
}
}
]
},
"aggs": {
"id": {
"top_hits": {
"size": 1,
"_source": ["id"]
}
},
"vpn_user": {
"top_hits": {
"size": 1,
"_source": ["vpn_user"]
}
},
"ip_address": {
"top_hits": {
"size": 1,
"_source": ["ip_address"]
}
},
"happenTime": {
"top_hits": {
"size": 1,
"_source": {
"script": {
"source": "doc['time'].value.toInstant().atZone(ZoneId.of('Asia/Shanghai')).format(DateTimeFormatter.ofPattern('yyyy-MM-dd HH:mm:ss'))"
}
}
}
},
"deviceID": {
"terms": {
"field": "deviceID"
}
},
"systemType": {
"terms": {
"field": "systemType"
}
},
"devTypeID": {
"terms": {
"field": "devTypeID"
}
},
"location": {
"top_hits": {
"size": 1,
"_source": ["location"],
"script_fields": {
"location": {
"script": {
"source": "doc['location'].value"
}
}
}
}
},
"referenceName": {
"top_hits": {
"size": 1,
"_source": {
"script": {
"source": "doc['location'].value != null ? doc['location'].value : ''"
}
},
"script_fields": {
"referenceName": {
"script": {
"source": "def location = doc['location'].value != null ? doc['location'].value : ''; def parts = location.split('/'); parts.length > 0 ? parts[0] : ''"
}
}
}
}
},
"partyUnitName": {
"top_hits": {
"size": 1,
"_source": {
"script": {
"source": "doc['deviceID'].value != null ? doc['deviceID'].value : ''"
}
},
"script_fields": {
"partyUnitName": {
"script": {
"source": "def deviceID = doc['deviceID'].value != null ? doc['deviceID'].value : ''; def parts = deviceID.split('_'); parts.length > 0 ? parts[0] : ''"
}
}
}
}
},
"safetyGearName": {
"top_hits": {
"size": 1,
"_source": {
"script": {
"source": "doc['deviceID'].value != null ? doc['deviceID'].value : ''"
}
},
"script_fields": {
"safetyGearName": {
"script": {
"source": "def deviceID = doc['deviceID'].value != null ? doc['deviceID'].value : ''; def parts = deviceID.split('_'); parts.length > 1 ? parts[1] : ''"
}
}
}
}
}
}
}
}
}
```
这个查询会按照`domain_name`,`http_port`和日期分组,同时在每个组内找到满足`estime`字段存在的文档,并从中提取所需的字段。其中,`happenTime`字段使用脚本来将UNIX时间戳转换为本地时间,`location`字段使用脚本来提取其中的第一部分作为`referenceName`,`deviceID`字段使用脚本来提取其中的第一部分作为`partyUnitName`,提取第二部分作为`safetyGearName`。
请注意,这个查询可能需要根据您的数据模型和查询需求进行适当的调整。
TypeError: _vm.login is not a function
This error message is typically encountered in a Vue.js application when there is an attempt to call a function that is not defined or not available in the current component. In this case, it seems that the component is attempting to call a function named `login` on its instance, but this function is not defined in the component's methods or computed properties.
To resolve this issue, you need to ensure that the `login` function is defined and accessible within the component's scope. This can be done by adding the function to the component's methods object, like so:
```
<template>
<div>
<!-- login form and other content -->
</div>
</template>
<script>
export default {
name: 'LoginComponent',
methods: {
login() {
// handle login logic here
}
}
}
</script>
```
Then, you can call the `login` function from within the component's template or other methods, like so:
```
<template>
<div>
<form @submit.prevent="login">
<!-- login form fields -->
<button type="submit">Login</button>
</form>
</div>
</template>
<script>
export default {
name: 'LoginComponent',
methods: {
login() {
// handle login logic here
}
}
}
</script>
```
Make sure to double-check that the function name is spelled correctly and that it is being called with the correct syntax. If the function is still not being recognized, you may need to check that the component is properly imported and registered in your application.