Help Center/ DataArts Lake Formation/ API Reference/ API/ LakeCat/ Metadata Statistics/ Collecting Metadata Quantity Statistics
Updated on 2024-02-21 GMT+08:00
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Collecting Metadata Quantity Statistics

Function

Obtain metadata events.

URI

POST /v1/{project_id}/instances/{instance_id}/metaobj/count

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For how to obtain the project ID, see Obtaining a Project ID (lakeformation_04_0026.xml).

instance_id

Yes

String

LakeFormation instance ID. The value is automatically generated when the instance is created, for example, 2180518f-42b8-4947-b20b-adfc53981a25.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

Array of strings

Tenant token.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

total_count

Long

Total quantity.

functions_count

Long

Number of functions.

catalogs_count

Long

Number of directories.

databases_count

Long

Number of databases.

tables_count

Long

Number of tables.

partitions_count

Long

Number of partitions.

indexes_count

Long

Number of indexes.

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

solution_msg

String

Solution.

Status code: 404

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

solution_msg

String

Solution.

Status code: 500

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

solution_msg

String

Solution.

Example Requests

POST https://{endpoint}/v1/{project_id}/instances/{instance_id}/metaobj/count

Example Responses

Status code: 200

Metadata quantity statistics.

{
  "total_count" : 600,
  "functions_count" : 100,
  "catalogs_count" : 100,
  "databases_count" : 100,
  "tables_count" : 100,
  "partitions_count" : 100,
  "indexes_count" : 100
}

Status code: 400

Bad Request

{
  "error_code" : "common.01000001",
  "error_msg" : "failed to read http request, please check your input, code: 400, reason: Type mismatch., cause: TypeMismatchException"
}

Status code: 401

Unauthorized

{
  "error_code": 'APIG.1002',
  "error_msg": 'Incorrect token or token resolution failed'
}

Status code: 403

Forbidden

{
  "error" : {
    "code" : "403",
    "message" : "X-Auth-Token is invalid in the request",
    "error_code" : null,
    "error_msg" : null,
    "title" : "Forbidden"
  },
  "error_code" : "403",
  "error_msg" : "X-Auth-Token is invalid in the request",
  "title" : "Forbidden"
}

Status code: 404

Not Found

{
  "error_code" : "common.01000001",
  "error_msg" : "response status exception, code: 404"
}

Status code: 408

Request Timeout

{
  "error_code" : "common.00000408",
  "error_msg" : "timeout exception occurred"
}

Status code: 500

Internal Server Error

{
  "error_code" : "common.00000500",
  "error_msg" : "internal error"
}

Status Codes

Status Code

Description

200

Metadata quantity statistics.

400

Bad Request

401

Unauthorized

403

Forbidden

404

Not Found

408

Request Timeout

500

Internal Server Error

Error Codes

See Error Codes.

Parent topic: Metadata Statistics