Queries the basic metadata information about an engine instance.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes GetMetaDBInfo

The operation that you want to perform.

AppGuid String Yes odps.some_engine_name

The engine ID in the format of engine type. The name of the engine.

RegionId String Yes cn-shanghai

The ID of the region where your project resides.

ClusterId String No abc

The ID of the cluster in the e-MapReduce cluster.

DatabaseName String No abc

The name of the EMR database.

DataSourceType String No emr

The data type. Valid values: maxcompute and emr.

Response parameters

Parameter Type Example Description
Data Struct

Business data.

AppGuid String odps.engine_name

The engine ID in the format of engine type. The name of the engine.

ClusterBizId String abc

The id of the e-MapReduce cluster.

Comment String The remarks on the request.

Remarks

CreateTime Long 1541576644000

The time when the engine was created.

Endpoint String http://service.odpsstg.aliyun-inc.com/

The Endpoint of the service address.

EnvType Integer 1

The environment type. Valid values: 0 for non-production table and 1 for production table.

Location String hdfs://

The storage path of the data in the e-MapReduce database. Situation of emr

ModifyTime Long 1541576644000

The time when the engine was modified.

Name String abc

The name of the database.

OwnerId String 23

The Alibaba Cloud account ID of the workspace Owner.

OwnerName String 323

The name of the workspace Owner.

ProjectId Long 22

The ID of the DataWorks workspace.

ProjectName String test

The name of the workspace.

ProjectNameCn String Test projects

The display name of the workspace.

TenantId Long 233

The ID of the tenant.

Type String hive

Database Type

RequestId String 0bc1411515937****

The ID of the request.

Examples

Sample requests


     http(s)://[Endpoint]/? Action=GetMetaDBInfo &AppGuid=odps.some_engine_name &RegionId=cn-shanghai &<common request parameters> 
   

Sample success responses

XML format


     <RequestId> 0bc141151591541576644000 </RequestId> * <Data> <ModifyTime> 1541576644000 </ModifyTime> <Comment> remarks </Comment> <OwnerName> 323 </OwnerName> <ProjectName> test </ProjectName> test <ProjectNameCn> project </ProjectNameCn> <CreateTime> </CreateTime> <ProjectId> 22 </ProjectId> <AppGuid> odps.engine_name </AppGuid> <EnvType> 1 </EnvType> <Name> abc </Name> <TenantId> 233 </TenantId> <Type> hive </Type> <Endpoint> http://service.odpsstg.aliyun-inc.com/ </Endpoint> <OwnerId> 23 </OwnerId> <ClusterBizId> abc </ClusterBizId> <Location> hdfs:// </Location> </Data> 
   

JSON Format


     {"RequestId":"0 bc1411515937 ${{*","Data":{"ModifyTime":"1541576644000","Comment":"Note","OwnerName":"323","ProjectName":"test","ProjectNameCn":"test Project","CreateTime":"1541576644000","ProjectId":"22","AppGuid":"odps.engine_name","EnvType":"1","Name":"abc","TenantId":"233","Type":"hive","Endpoint":" http://service.odpsstg.aliyun-inc.com/ ","OwnerId":"23","ClusterBizId":"abc","Location":"hdfs://"}} 
   

Error codes

HttpCode Error codes Error message Description
403 Forbidden.Access Access is forbidden. Activate DataWorks first. You have restricted access. Please activate DataWorks Enterprise Edition or above.
500 InternalError.System An internal system error occurred. Try again later. An internal system error occurred. Please try again later.
500 InternalError.UserId.Missing An internal system error occurred. Try again later. An internal system error occurred. Please try again later.
403 ResourceNotAuthorized.Api You are not authorized to access the resources. You cannot access resources without authorization.
429 Throttling.Api The request for this resource has exceeded your available limit. The request for the resource exceeds your available upper limit.
429 Throttling.Api.Risk The request for this resource has exceeded your daily available limit. The request for the resource has exceeded your daily availability limit.
429 Throttling.System The DataWorks system is busy. Try again later. DataWorks the system is busy, please try again later.
429 Throttling.User Your request is too frequent. Try again later. Your request is too frequent, please try to slow down the request speed.
500 InternalError.Meta.NoCalcEngine An error occurred while retrieving the compute engine based on the MaxCompute project. Failed to get compute engine based on maxcompute project {0}.
500 InternalError.Meta.TenantTimeOut Failed to connect to the interface network. The interface network is disconnected.
500 InternalError.Meta.Unknown An unknown error occurred while processing your request. Resolve the error based on the error message.
403 Forbidden.Meta.NoTenant The user is not the owner of any tenants. The current user is not the owner of any of the tenants.
400 Invalid.Meta.AppNotExist The MaxCompute project does not exist. The MaxCompute project does not exist.
400 InvalidParameter.Meta.CommonError The specified parameter is invalid. The error message returned because one or more request parameters are invalid.
400 InvalidParameter.Meta.GuidFormat The GUID format is invalid. Bad Guid information.
400 InvalidParameter.Meta.Illegal The app guid parameter is invalid. The error message returned because the App parameter is invalid.
400 InvalidParameter.Meta.IllegalDate The date format is invalid. Date format error.
400 InvalidParameter.Meta.IllegalPageError The parameter for paging is invalid. The pagination information is incorrect.
400 InvalidParameter.Meta.NotExist The object does not exist. Data does not exist.

Go to the Error CenterFor more information, see error codes.