ICatalogOperations.PreviewTableWithHttpMessagesAsync Method
Definition
Important
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Retrieves a preview set of rows in given table.
public System.Threading.Tasks.Task<Microsoft.Rest.Azure.AzureOperationResponse<Microsoft.Azure.Management.DataLake.Analytics.Models.USqlTablePreview>> PreviewTableWithHttpMessagesAsync(string accountName, string databaseName, string schemaName, string tableName, long? maxRows = default, long? maxColumns = default, System.Collections.Generic.Dictionary<string,System.Collections.Generic.List<string>> customHeaders = default, System.Threading.CancellationToken cancellationToken = default);abstract member PreviewTableWithHttpMessagesAsync : string * string * string * string * Nullable<int64> * Nullable<int64> * System.Collections.Generic.Dictionary<string, System.Collections.Generic.List<string>> * System.Threading.CancellationToken -> System.Threading.Tasks.Task<Microsoft.Rest.Azure.AzureOperationResponse<Microsoft.Azure.Management.DataLake.Analytics.Models.USqlTablePreview>>Public Function PreviewTableWithHttpMessagesAsync (accountName As String, databaseName As String, schemaName As String, tableName As String, Optional maxRows As Nullable(Of Long) = Nothing, Optional maxColumns As Nullable(Of Long) = Nothing, Optional customHeaders As Dictionary(Of String, List(Of String)) = Nothing, Optional cancellationToken As CancellationToken = Nothing) As Task(Of AzureOperationResponse(Of USqlTablePreview))Parameters
- accountName
- System.String
The Azure Data Lake Analytics account upon which to execute catalog operations.
- databaseName
- System.String
The name of the database containing the table.
- schemaName
- System.String
The name of the schema containing the table.
- tableName
- System.String
The name of the table.
- maxRows
- System.Nullable<System.Int64>
The maximum number of preview rows to be retrieved. Rows returned may be less than or equal to this number depending on row sizes and number of rows in the table.
- maxColumns
- System.Nullable<System.Int64>
The maximum number of columns to be retrieved.
- customHeaders
- System.Collections.Generic.Dictionary<System.String,System.Collections.Generic.List<System.String>>
The headers that will be added to request.
- cancellationToken
- System.Threading.CancellationToken
The cancellation token.
Returns
Exceptions
Thrown when the operation returned an invalid status code
Thrown when unable to deserialize the response
Thrown when a required parameter is null