# databaseQuery
Call this API at the server side. For more information, see Server API.
Queries records in database.
# Request Address
POST https://api.weixin.qq.com/tcb/databasequery?access_token=ACCESS_TOKEN
# Request Parameters
| Attribute | Type | Default | Required | Description |
|---|---|---|---|---|
| access_token | string | Yes | Credentials to call API | |
| env | string | Yes | Cloud environment ID | |
| query | string | Yes | Database operation statement |
# Return Value
# Object
JSON data package that is returned
| Attribute | Type | Description |
|---|---|---|
| errcode | number | Error code |
| errmsg | string | Error message |
| pager | Object | Information per page |
| data | Array.<string> | Record array |
Valid values of errcode
| Value | Description | Minimum Version |
|---|---|---|
| 0 | Request successful | |
| -1 | System Error | |
| -1000 | System Error | |
| 40014 | Invalid AccessToken | |
| 40097 | Invalid request parameter | |
| 40101 | Required parameter missing | |
| 41001 | AccessToken missing | |
| 42001 | AccessToken expired | |
| 43002 | HTTP METHOD error | |
| 44002 | Empty POST BODY | |
| 47001 | Incorrect format of POST BODY | |
| 85088 | Cloud Base is not enabled on this App | |
| Other error codes | Cloud Base error codes |
Structure of pager
| Attribute | Type | Description |
|---|---|---|
| Offset | number | Offset |
| Limit | number | Single query limit |
| Total | number | Number of records that meet the query condition |
# Tips
Use limit() to limit the number of records per fetch in the query. It defaults to 10.
# Request Data Example
{
"env":"test2-4a89da",
"query": "db.collection(\"geo\").where({done:true}).limit(10).skip(1).get()"
}
# Return Data Example
{
"errcode": 0,
"errmsg": "ok",
"pager": {
"Offset": 1,
"Limit": 10,
"Total": 2
},
"data": [
"{\"_id\":\"b15498af-1a5a-40b4-a4e7-b3fc4a1df482\",\"done\":true,\"name\":\"test\"}"
]
}
# Description of Database Operation Statements
Database operation statements use the same syntax with Database APIs