Checks whether a table exists.

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 CheckMetaTable

The operation that you want to perform.

RegionId String Yes cn-shanghai

The ID of the region where your project resides.

TableGuid String Yes odps.engine_name.table_name

The globally unique identifier (GUID) of the table.

ClusterId String No abc

The ID of the E-MapReduce cluster.

DatabaseName String No abc

The name of the EMR database.

TableName String No abc

The name of the EMR table.

DataSourceType String No emr

The data type. Valid values: odps and emr.

Response parameters

Parameter Type Example Description
Data Boolean true

Indicates whether the table exists.

RequestId String 0bc1ec92159376

The ID of the request.

Examples

Sample requests


     http(s)://[Endpoint]/? Action=CheckMetaTable &RegionId=cn-shanghai &TableGuid=odps.engine_name.table_name &<common request parameters> 
   

Sample success responses

XML format


     <RequestId>0bc1ec92159376</RequestId> <HttpStatusCode>200</HttpStatusCode> <Data>true</Data> <Success>true</Success> 
   

JSON Format


     { "RequestId": "0bc1ec92159376", "HttpStatusCode": 200, "Data": true, "Success": true } 
   

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.
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.
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.
400 Invalid.Meta.TableNotExist The table does not exist. The error message returned because
400 InvalidParameter.Meta.Illegal The app guid parameter is invalid. The error message returned because the App parameter is invalid.
400 InvalidParameter.Meta.NotExist The object does not exist. Data does not exist.

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