Help Center/ GaussDB(for MySQL)/ API Reference/ APIs (Recommended)/ HTAP (Standard Edition)/ Querying Configurations of a StarRocks Data Synchronization Task
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Querying Configurations of a StarRocks Data Synchronization Task

Function

This API is used to query configurations of a StarRocks data synchronization task. Before calling this API:

URI

GET /v3/{project_id}/instances/{instance_id}/starrocks/databases/replication/configuration

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID of a tenant in a region.

To obtain this value, see Obtaining a Project ID.

instance_id

Yes

String

StarRocks instance ID, which is compliant with the UUID format.
Table 2 Query parameters

Parameter

Mandatory

Type

Description

task_name

Yes

String

Name of the data synchronization task. The value can contain 3 to 128 characters. Only uppercase letters, lowercase letters, digits, and underscores (_) are allowed.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token.

To obtain this value, call the IAM API for obtaining a user token.

The value of X-Subject-Token in the response header is the token value.

X-Language

Yes

String

Request language type. The default value is en-us. Values:

  • en-us
  • zh-cn

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

source_instance_id

String

GaussDB(for MySQL) instance ID.

source_node_id

String

GaussDB(for MySQL) node ID.

database_info

DataBaseInfo object

GaussDB(for MySQL) database configurations.

table_infos

Array of TableConfigCheckResult objects

Table configurations.

table_repl_config

TableReplConfig object

Table synchronization configurations.

new_table_repl_config

TableReplConfig object

Updated table synchronization configurations.

target_database_name

String

Name of the destination database. The value can contain 3 to 128 characters. Only uppercase letters, lowercase letters, digits, and underscores (_) are allowed.

is_tables_change

Boolean

Whether there is any change to the synchronization scope (tables to be synchronized).

last_error_of_alter_table

String

Exception about the latest ALTER TABLE operation.
Table 5 DataBaseInfo

Parameter

Type

Description

database_name

String

Database name.

db_config_check_results

Array of DbConfigCheckResult objects

Database configuration check result.
Table 6 DbConfigCheckResult

Parameter

Type

Description

param_name

String

Parameter name. The name can contain 3 to 128 characters.

value

String

Parameter value. The value can contain 1 to 64 characters.

check_result

String

Check result.

Values:

  • success
  • fail
Table 7 TableConfigCheckResult

Parameter

Type

Description

table_name

String

Table name.

  • Minimum length: 2 characters
  • Maximum length: 1024 characters

table_config

String

Table configuration item.

  • Minimum length: 2 characters
  • Maximum length: 1024 characters

check_result

String

Check result. Value: success or fail

  • Minimum length: 2 characters
  • Maximum length: 10 characters
Table 8 TableReplConfig

Parameter

Type

Description

repl_type

String

Table synchronization type.

  • include_tables: whitelist
  • exclude_tables: blacklist

repl_scope

String

Table synchronization scope.

  • all: all tables
  • part: some tables

tables

Array of strings

Tables listed on the whitelist or blacklist.

Status code: 400

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Querying configurations of the data synchronization task taskName

GET https://{localhost}/v3/{project_id}/instances/{instance_id}/starrocks/databases/replication/configuration?task_name=taskName

Example Response

Status code: 200

Success.

{
  "source_instance_id" : "source_instance_id",
  "target_database_name" : "target_database_name",
  "source_node_id" : "source_node_id",
  "database_info" : {
    "database_name" : "database_name",
    "db_config_check_results" : [ {
      "param_name" : "default_isolation_level",
      "value" : "QUERY_SNAPSHOT",
      "check_result" : "success"
    }, {
      "param_name" : "enable_snapshots",
      "value" : "true",
      "check_result" : "failed"
    } ]
  },
  "table_info" : [ ],
  "table_repl_config" : {
    "repl_type" : "exclude_tables",
    "repl_scope" : "all",
    "tables" : [ ]
  },
  "new_table_repl_config" : { },
  "is_tables_change" : false,
  "last_error_of_alter_table" : ""
}

Status code: 400

Client error.

{
  "error_code" : "DBS.200022",
  "error_msg" : "Instance not found."
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: HTAP (Standard Edition)