# 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