Mengkueri informasi field dari sebuah metatable.
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RAM authorization
Parameter permintaan
|
Parameter |
Type |
Required |
Description |
Example |
| TableGuid |
string |
No |
GUID dari metatable. Anda dapat memanggil operasi GetMetaDBTableList untuk meminta GUID. |
odps.engine_name.table_name |
| PageNum |
integer |
No |
Nomor halaman. |
1 |
| PageSize |
integer |
No |
Jumlah entri per halaman. Nilai default: 10. Nilai maksimum: 100. |
10 |
| ClusterId |
string |
No |
ID klaster E-MapReduce (EMR). Anda dapat masuk ke konsol EMR untuk mendapatkan ID. |
C-010A704DA760**** |
| DatabaseName |
string |
No |
Nama metadatabase dari klaster EMR. Anda dapat memanggil operasi ListMetaDB untuk meminta nama. |
abc |
| TableName |
string |
No |
Nama metatable di klaster EMR. Anda dapat memanggil operasi GetMetaDBTableList untuk meminta nama. |
abc |
| DataSourceType |
string |
No |
Tipe sumber data. Tetapkan nilainya ke emr. |
emr |
Elemen respons
|
Element |
Type |
Description |
Example |
|
object |
Parameter respons. |
||
| HttpStatusCode |
integer |
Kode status HTTP. |
200 |
| ErrorMessage |
string |
Pesan kesalahan. |
The connection does not exist. |
| RequestId |
string |
ID permintaan. Anda dapat menemukan log dan memecahkan masalah berdasarkan ID tersebut. |
0bc1ec92159376 |
| Success |
boolean |
Menunjukkan apakah permintaan berhasil. |
true |
| ErrorCode |
string |
Kode kesalahan. |
Invalid.Tenant.ConnectionNotExists |
| Data |
object |
Data bisnis. |
|
| PageNum |
integer |
Nomor halaman. |
1 |
| PageSize |
integer |
Jumlah entri per halaman. Nilai default: 10. Nilai maksimum: 100. |
10 |
| TotalCount |
integer |
Jumlah total field. |
100 |
| ColumnList |
array<object> |
Informasi tentang field. |
|
|
object |
|||
| ColumnGuid |
string |
The GUID of the field. |
odps.engine_name.table_name.name |
| ColumnName |
string |
The name of the field. |
name |
| IsPartitionColumn |
boolean |
Indicates whether the field is a partition field. Valid values:
|
false |
| Comment |
string |
The remarks of the field. |
comment |
| ColumnType |
string |
The data type of the field. |
string |
| IsPrimaryKey |
boolean |
Indicates whether the field is a primary key. Valid values:
|
false |
| Position |
integer |
The sequence number of the field. |
1 |
| Caption |
string |
The description of the field. |
data column |
| IsForeignKey |
boolean |
Indicates whether the field is a foreign key. Valid values:
|
true |
| RelationCount |
integer |
The number of times the field is read. |
2 |
Contoh
Respons sukses
JSONformat
{
"HttpStatusCode": 200,
"ErrorMessage": "The connection does not exist.",
"RequestId": "0bc1ec92159376",
"Success": true,
"ErrorCode": "Invalid.Tenant.ConnectionNotExists",
"Data": {
"PageNum": 1,
"PageSize": 10,
"TotalCount": 100,
"ColumnList": [
{
"ColumnGuid": "odps.engine_name.table_name.name",
"ColumnName": "name",
"IsPartitionColumn": false,
"Comment": "comment ",
"ColumnType": "string",
"IsPrimaryKey": false,
"Position": 1,
"Caption": "data column",
"IsForeignKey": true,
"RelationCount": 2
}
]
}
}
Kode kesalahan
|
HTTP status code |
Error code |
Error message |
Description |
|---|---|---|---|
| 400 | InvalidParameter.Meta.CommonError | The specified parameter is invalid. | |
| 400 | InvalidParameter.Meta.GuidFormat | The GUID format is invalid. | |
| 400 | InvalidParameter.Meta.Illegal | The app guid parameter is invalid. | |
| 400 | InvalidParameter.Meta.IllegalDate | The date format is invalid. | |
| 400 | InvalidParameter.Meta.IllegalPageError | The parameter for paging is invalid. | |
| 400 | InvalidParameter.Meta.NotExist | The object does not exist. | |
| 400 | InternalError.UserId.Missing | An internal system error occurred. Try again later. | |
| 400 | InternalError.Meta.NoCalcEngine | An error occurred while retrieving the compute engine based on the MaxCompute project. | |
| 500 | InternalError.System | An internal system error occurred. Try again later. | |
| 500 | InternalError.Meta.TenantTimeOut | Failed to connect to the interface network. | |
| 500 | InternalError.Meta.Unknown | An unknown error occurred while processing your request. | |
| 403 | Forbidden.Meta.NoTenant | The user is not the owner of any tenants. | |
| 403 | Forbidden.Access | Access is forbidden. Please first activate DataWorks Enterprise Edition or Flagship Edition. | |
| 429 | Throttling.Api | The request for this resource has exceeded your available limit. | |
| 429 | Throttling.Api.Risk | The request for this resource has exceeded your daily available limit. | |
| 429 | Throttling.System | The DataWorks system is busy. Try again later. | |
| 429 | Throttling.User | Your request is too frequent. Try again later. |
Lihat Error Codes untuk daftar lengkap.
Catatan rilis
Lihat Release Notes untuk daftar lengkap.