Queries the change logs of a metatable. This operation will be replaced soon. We recommend that you do not call this operation.

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 GetMetaTableChangeLog

The operation that you want to perform. Set the value to GetMetaTableChangeLog.

PageNumber Integer No 1

The number of the page to return.

PageSize Integer No 10

The number of entries to return on each page. Default value: 10. Maximum value: 100.

TableGuid String Yes odps.engine_name.table_name

The globally unique identifier (GUID) of the table. Specify the GUID in the format of odps.projectName.tableName. You can call the GetMetaDBTableList operation to query the GUID of the table.

Note To query the change logs of a MaxCompute table, you must call the GetMetaTableChangeLog operation.
ChangeType String No ALTER_TABLE

The type of the change. Valid values: CREATE_TABLE, ALTER_TABLE, DROP_TABLE, ADD_PARTITION, and DROP_PARTITION.

ObjectType String No TABLE

The entity on which the change is made. Valid values: TABLE and PARTITION.

StartDate String No 2020-06-01 00:00:00

The beginning of the time range to query. Specify the time in the yyyy-MM-dd HH:mm:ss format.

  • By default, the system uses the current time as the value of this parameter if the time that you specify is invalid.
  • If both the values of the StartDate and EndDate parameters are invalid, the system automatically queries the change logs that are generated within the last 30 days.
EndDate String No 2020-06-02 00:00:00

The end of the time range to query. Specify the time in the yyyy-MM-dd HH:mm:ss format.

  • By default, the system uses the current time as the value of this parameter if the time that you specify is invalid.
  • If both the values of the StartDate and EndDate parameters are invalid, the system automatically queries the change logs that are generated within the last 30 days.
RegionId String Yes cn-shanghai

The region ID. For example, the ID of the China (Shanghai) region is cn-shanghai, and that of the China (Zhangjiakou) region is cn-zhangjiakou. The system determines the value of this parameter based on the endpoint that is used to call the operation.

Response parameters

Parameter Type Example Description
HttpStatusCode Integer 200

The HTTP status code returned.

ErrorMessage String The connection does not exist.

The error message returned.

RequestId String 0bc1ec92159376

The ID of the request.

Success Boolean true

Indicates whether the request is successful.

ErrorCode String Invalid.Tenant.ConnectionNotExists

The error code returned.

Data Object

The business data returned.

PageNumber Integer 10

The page number of the returned page.

PageSize Integer 1

The number of entries returned per page. Default value: 10. Maximum value: 100.

TotalCount Long 10

The total number of returned entries.

DataEntityList Array of DataEntityList

The information about the change logs of the metatable.

ObjectType String TABLE

The entity on which the change was made. Valid values: TABLE and PARTITION.

ModifiedTime Long 1590722845000

The last time when the metatable was modified.

CreateTime Long 1590722845000

The time when the metatable was created.

ChangeContent String "[{\"action\":\"ADD_COLUMN\",\"value\":[{\"originName\":\"\",\"originType\":\"\",\"originComment\":\"\",\"name\":\"id\",\"type\":\"struct<name:string>\",\"comment\":\"\"}]}]",

The content of the change.

Operator String abc

The name of the operator.

ChangeType String CREATE_TABLE

The type of the change.

Examples

Sample requests

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

Sample success responses

XML format 

HTTP/1.1 200 OK
Content-Type:application/xml

<GetMetaTableChangeLogResponse>
    <RequestId>0bc1ec92159376</RequestId>
    <HttpStatusCode>200</HttpStatusCode>
    <Data>
        <TotalCount>10</TotalCount>
        <PageSize>1</PageSize>
        <PageNumber>10</PageNumber>
        <DataEntityList>
            <Operator>abc</Operator>
            <ObjectType>TABLE</ObjectType>
            <ChangeContent>[{"action":"ADD_COLUMN","value":[{"originName":"","originType":"","originComment":"","name":"id","type":"struct&lt;name:string&gt;","comment":""}]}]</ChangeContent>
            <ModifiedTime>1590722845000</ModifiedTime>
            <ChangeType>CREATE_TABLE</ChangeType>
            <CreateTime>1590722845000</CreateTime>
        </DataEntityList>
    </Data>
    <ErrorCode>Invalid.Tenant.ConnectionNotExists</ErrorCode>
    <ErrorMessage>The connection does not exist.</ErrorMessage>
    <Success>true</Success>
</GetMetaTableChangeLogResponse>

JSON format 

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "0bc1ec92159376",
  "HttpStatusCode" : 200,
  "Data" : {
    "TotalCount" : 10,
    "PageSize" : 1,
    "PageNumber" : 10,
    "DataEntityList" : {
      "Operator" : "abc",
      "ObjectType" : "TABLE",
      "ChangeContent" : "[{\"action\":\"ADD_COLUMN\",\"value\":[{\"originName\":\"\",\"originType\":\"\",\"originComment\":\"\",\"name\":\"id\",\"type\":\"struct&lt;name:string&gt;\",\"comment\":\"\"}]}]",
      "ModifiedTime" : 1590722845000,
      "ChangeType" : "CREATE_TABLE",
      "CreateTime" : 1590722845000
    }
  },
  "ErrorCode" : "Invalid.Tenant.ConnectionNotExists",
  "ErrorMessage" : "The connection does not exist.",
  "Success" : true
}

Error codes

HttpCode Error code Error message Description
400 InvalidParameter.Meta.CommonError The specified parameter is invalid. The error message returned because the values specified for one or more request parameters are invalid.
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. The error message returned because the date format is invalid.
400 InvalidParameter.Meta.IllegalPageError The parameter for paging is invalid. The error message returned because the value of the parameter for paging is invalid.
400 InvalidParameter.Meta.NotExist The object does not exist. The error message returned because the object you query does not exist.
403 Forbidden.Meta.NoTenant The user is not the owner of any tenants. The error message returned because the current user is not a tenant owner.
403 Forbidden.Access Access is forbidden. Please first activate DataWorks Enterprise Edition or Flagship Edition. The error message returned because you are not allowed to perform this operation. Activate DataWorks Enterprise Edition or DataWorks Ultimate Edition.
429 Throttling.Api The request for this resource has exceeded your available limit. The error message returned because the number of requests for the resource has exceeded the upper limit.
429 Throttling.Api.Risk The request for this resource has exceeded your daily available limit. The error message returned because the number of requests per day for the resource has exceeded the upper limit.
429 Throttling.System The DataWorks system is busy. Try again later. The error message returned because the DataWorks system is busy. Try again later.
429 Throttling.User Your request is too frequent. Try again later. The error message returned because excessive requests have been submitted within a short period of time. Try again later.
500 InternalError.System An internal system error occurred. Try again later. The error message returned because an internal error has occurred. Try again later.
500 InternalError.UserId.Missing An internal system error occurred. Try again later. The error message returned because an internal error has occurred. Try again later.
500 InternalError.Meta.NoCalcEngine An error occurred while retrieving the compute engine based on the MaxCompute project. The error message returned because the system has failed to obtain a compute engine instance based on the specified MaxCompute project.
500 InternalError.Meta.TenantTimeOut Failed to connect to the interface network. The error message returned because the network cannot be connected.
500 InternalError.Meta.Unknown An unknown error occurred while processing your request. The error message returned because an unknown error has occurred.

For a list of error codes, visit the API Error Center.

For more information about the example on how to use the GetMetaTableChangeLog operation, see Examples of DataWorks API operations.