Get Last Changed Data¶
Get the last changed data of the specified measurement points of specified devices.
Operation Permissions¶
Required Authorization | Required Operation Permission |
---|---|
Asset | Read |
For more information about resources and required permission, see Policies, Roles and Permissions>>
Request Format¶
POST https://{apigw-address}/tsdb-service/v2.1/data/last-changed
Request Parameters (URI)¶
Name | Location (Path/Query) | Mandatory/Optional | Data Type | Description |
---|---|---|---|---|
orgId | Query | Mandatory | String | The organization ID which the asset belongs to. How to get organization ID>> |
Request Parameters (Body)¶
Name | Mandatory/Optional | Data Type | Description |
---|---|---|---|
assetIds | Mandatory | String | The asset ID. Supports the query of multiple asset IDs, separated by commas. How to get asset ID>> |
pointIds | Mandatory | String | The measurement point ID. Supports the query of multiple measurement point IDs, separated by commas. How to get measurement point ID>> |
ifWithLocalTime | Optional | Boolean |
|
localTimeAccuracy | Optional | Boolean |
|
localTimeFormat | Optional | Integer | Specify whether the local time value includes time zone information of devices. 0 (default): without time zone information; 1: with time zone information. |
itemFormat | Optional | Integer | Specify the displaying format of the returned device data. Available options are 0, 1, and 2. For the example of each displaying format, see Item Format Example>> |
Response Parameters¶
Name | Data Type | Description |
---|---|---|
data | List<JSONObject> | The list of asset last changed data records. For more information, see items |
items¶
Sample¶
{
"assetId": "yourAssetId",
"yourPointId": "1.1236",
"timestamp": 1560249312446
}
Parameters¶
Name | Data Type | Description |
---|---|---|
assetId | String | The asset ID. |
timestamp | Long | The data timestamp (UNIX time, accurate to the second). |
pointId | Double | This parameter is a variable, representing the identifier and data of the measurement point. |
localtime | String | The data timestamp in local time format (accurate to the second). The value of the localTimeFormat parameter determines whether the local time value includes the time zone information. |
Error Codes¶
For description of error codes, see Common Error Codes.
Sample¶
Request Sample¶
url: https://{apigw-address}/tsdb-service/v2.1/data/last-changed?orgId=yourOrgId
method: POST
Content-Type: application/json
requestBody:
{
"pointIds": "yourPointId1,yourPointId2,yourPointId3",
"ifWithLocalTime": true,
"assetIds": "yourAssetId1,yourAssetId2",
"localTimeFormat": 0,
"localTimeAccuracy": true,
"itemFormat": 0
}
Return Sample¶
{
"msg": "OK",
"code": 0,
"data": {
"items": [
{
"assetId": "yourAssetId1",
"yourPointId1": 29,
"localtime": "2021-01-14 23:29:00.000",
"timestamp": 1610638140000
},
{
"assetId": "yourAssetId1",
"yourPointId2": "another_00",
"localtime": "2021-01-14 23:00:00.000",
"timestamp": 1610636400000
},
{
"assetId": "yourAssetId1",
"yourPointId3": 1,
"localtime": "2021-01-14 23:10:00.000",
"timestamp": 1610637000000
},
{
"assetId": "yourAssetId2",
"yourPointId1": 1,
"localtime": "2021-01-14 23:10:00.000",
"timestamp": 1610637000000
},
{
"assetId": "yourAssetId2",
"yourPointId2": 1,
"localtime": "2021-01-15 07:30:00.000",
"timestamp": 1610667000000
},
{
"assetId": "yourAssetId2",
"yourPointId3": 29,
"localtime": "2021-01-14 23:29:00.000",
"timestamp": 1610638140000
}
]
},
"submsg": ""
}