Last updated: 2021-01-07 20:02:35

1. API Description

Domain name for API request:

This API is used to select a target table, upload and verify the table modification file, and return the result of whether the table structure is allowed to be modified.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common parameter. The value used for this API: CompareIdlFiles.
Version Yes String Common parameter. The value used for this API: 2019-08-23.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
ClusterId Yes String ID of the cluster where the table to be modified resides
SelectedTables.N Yes Array of SelectedTableInfoNew List of tables to be modified
ExistingIdlFiles.N No Array of IdlFileInfo Selected list of uploaded IDL files. Either this parameter or NewIdlFiles must be selected
NewIdlFiles.N No Array of IdlFileInfo List of IDL files to be uploaded. Either this parameter or ExistingIdlFiles must be selected

3. Output Parameters

Parameter Name Type Description
IdlFiles Array of IdlFileInfo Information list of all IDL files uploaded and verified in this request
TotalCount Integer Number of tables verified to be valid in this request
TableInfos Array of ParsedTableInfoNew Verification result parsed from the selected table after the IDL description file is read
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Uploading and verifying a table structure modification file

This example shows you how to upload and verify a table structure modification file.

Input Example
&<Common request parameters>

Output Example

  "Response": {
    "IdlFiles": [
        "FileContent": null,
        "FileExtType": "proto",
        "FileId": 600,
        "FileName": "tb_example_modify",
        "FileSize": 287,
        "FileType": "PROTO"
    "RequestId": "81274902-0df6-4574-a3b0-2ea229ef903f",
    "TableInfos": [
        "Error": null,
        "IndexKeySet": null,
        "KeyFields": "{\"KeyField\":[{\"Label\":\"required\",\"Name\":\"uin\",\"Type\":\"int64\"},{\"Crypto\":false,\"Label\":\"required\",\"Name\":\"name\",\"Type\":\"string\"}],\"Num\":2}",
        "TableGroupId": "101",
        "OldKeyFields": "{\"KeyField\":[{\"Label\":\"required\",\"Name\":\"uin\",\"Type\":\"int64\"},{\"Crypto\":false,\"Label\":\"required\",\"Name\":\"name\",\"Type\":\"string\"}],\"Num\":2}",
        "OldValueFields": "{\"Num\":2,\"ValueField\":[{\"Label\":\"required\",\"Name\":\"gamesvrid\",\"Type\":\"int32\"},{\"Crypto\":false,\"Label\":\"optional\",\"Name\":\"logintime\",\"Type\":\"string\"}]}",
        "ShardingKeySet": "",
        "SumKeyFieldSize": 1022,
        "SumValueFieldSize": 262144,
        "TableIdlType": "PROTO",
        "TableInstanceId": "tcaplus-1f224454",
        "TableName": "tb_example",
        "TableType": "GENERIC",
        "TdrVersion": 1,
        "ListElementNum": null,
        "SortFieldNum": null,
        "SortRule": null,
        "ValueFields": "{\"Num\":3,\"ValueField\":[{\"Label\":\"required\",\"Name\":\"gamesvrid\",\"Type\":\"int32\"},{\"Crypto\":false,\"Label\":\"optional\",\"Name\":\"logintime\",\"Type\":\"string\"},{\"Label\":\"optional\",\"Name\":\"add_v1\",\"Type\":\"int32\"}]}"
    "TotalCount": 1

5. Developer Resources


TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
FailedOperation Operation failed.
InternalError Internal error.
InvalidParameterValue Incorrect parameter value.
MissingParameter Missing parameter.
ResourceNotFound The resource does not exist.

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