Adding DWS Dump Tasks

project_id

Yes

String

Project ID.

stream_name

Yes

String

Name of the stream.

Maximum: 60

X-Auth-Token

Yes

String

User token

The token can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

destination_type

Yes

String

Type of the dump task

• OBS: Data will be dumped to OBS.

• MRS: Data will be dumped to MRS

• DLI: Data will be dumped to DLI

• CLOUDTABLE: Data will be dumped to CloudTable

• DWS: Data will be dumped to DWS.

Default: NOWHERE

Enumeration values:

• DWS

dws_destination_descriptor

No

DWSDestinationDescriptorRequest object

Parameter list of the DWS to which data in the DIS stream will be dumped.

task_name

Yes

String

Name of the dump task. The task name consists of letters, digits, hyphens (-), and underscores (_). It contains 1 to 64 characters.

agency_name

Yes

String

Name of the agency created on IAM. DIS uses an agency to access your specified resources. The parameters for creating an agency are as follows: - Agency Type: Cloud service- Cloud Service: DIS- Validity Period: unlimited- Scope: Global service- Project: OBS- Policy: Tenant Administrator If agencies are available, you can use an IAM API to obtain the available agencies. For details about the API, see https://support.huaweicloud.com/en-us/api-iam/iam_12_0001.html. This parameter cannot be left unspecified and the parameter value cannot exceed 64 characters. If there are dump tasks on the console, the system displays a message indicating that an agency will be automatically created. The name of the automatically created agency is dis_admin_agency.

Maximum: 64

deliver_time_interval

Yes

Integer

User-defined interval at which data is imported from the current DIS stream into OBS. If no data is pushed to the DIS stream during the current interval, no dump file package will be generated.

Value range: 30–900

Default value: 300

Unit: second

Minimum: 30

Maximum: 900

Default: 300

consumer_strategy

No

String

Offset

• LATEST: maximum offset, indicating that the latest data will be extracted.

• TRIM_HORIZON: minimum offset, indicating that the earliest data will be extracted.

Default value: LATEST

Default: LATEST

Enumeration values:

• LATEST

• TRIM_HORIZON

dws_cluster_name

Yes

String

Name of the DWS cluster that stores the data in the stream.

dws_cluster_id

Yes

String

ID of the DWS cluster to which will be dumped.

dws_database_name

Yes

String

Name of the DWS database that stores the data in the stream.

dws_schema

Yes

String

Schema of the DWS database to which data will be dumped.

dws_table_name

Yes

String

Name of the DWS table that stores the data in the stream.

dws_delimiter

Yes

String

Delimiter used to separate the columns in the DWS tables into which user data is inserted.

The delimiter can be a comma (,), semicolon (;), or vertical bar (|).

user_name

Yes

String

Username of the DWS database to which data will be dumped.

user_password

Yes

String

Password of the DWS database to which data will be dumped.

kms_user_key_name

Yes

String

Name of the key created in KMS and used to encrypt the password of the DWS database.

kms_user_key_id

Yes

String

ID of the key created in KMS and used to encrypt the password of the DWS database.

obs_bucket_path

Yes

String

Name of the OBS bucket used to temporarily store data in the DIS stream.

file_prefix

No

String

Self-defined directory created in the OBS bucket and used to temporarily store data in the DIS stream. Directory levels are separated by slashes (/) and cannot start with slashes.

The value can contain a maximum of 50 characters, including letters, digits, underscores (_), and slashes (/).

This parameter is left blank by default.

retry_duration

No

String

Duration when you can constantly retry dumping data to DWS after the dump fails. If the duration expires but the dump still fails, the data will be backed up to the OBS bucket name/file_prefix/dws_error directory. Value range: 0 to 7200Unit: secondDefault value: 1800

dws_table_columns

No

String

Column to be dumped to the DWS table. If the value is null or empty, all columns are dumped by default. For example, c1,c2 indicates that columns c1 and c2 in the schema are dumped to DWS.

This parameter is left blank by default.

options

No

Options object

DWS fault tolerance option (used to specify various parameters of foreign table data).

fill_missing_fields

No

String

Whether to set the field to Null or enable an error message to be displayed in the error table when the last field in a row of the data source file is missing during database import

Value range:

• true/on

• false/off

Default value: false/off

Enumeration values:

• true/on

• false/off

ignore_extra_data

No

String

Whether to ignore the extra columns when the number of fields in the data source file is greater than the number of columns defined in the external table. This parameter is used only for data import.

Value range:

• true/on

• false/off

Default value: false/off

Enumeration values:

• true/on

• false/off

compatible_illegal_chars

No

String

Whether to convert invalid characters based on the conversion rule and save the converted characters to the database, or to report an error and stop the import

Value range:

• true/on

• false/off

Default value: false/off

Enumeration values:

• true/on

• false/off

reject_limit

No

String

Maximum number of data format errors allowed during the data import. If the number of data format errors does not reach the maximum, the data import is successful.

Value range:

• integer

• unlimited

The default value is 0, indicating that error information is returned immediately.

error_table_name

No

String

Name of the error table that records data format errors. After the parallel import is complete, you can query the error information table to obtain the detailed error information.

201

Normal response.