Tablestore:Query the description of a table

Prerequisites

• A Tablestore client is initialized. For more information, see Initialize an OTSClient instance.

• A data table is created. For more information, see Create a data table.

API operation

 /// <summary>
 /// Query the schema information, the reserved read throughput, and the reserved write throughput of a table. 
 /// </summary>
 /// <param name="request">Request parameters, including the table name.</param>
 /// <returns>The schema information, the reserved read throughput, and the reserved write throughput of the table. </returns>
 public DescribeTableResponse DescribeTable(DescribeTableRequest request);

 /// <summary>
 /// The asynchronous mode of DescribeTable. 
 /// </summary>
 public Task<DescribeTableResponse> DescribeTableAsync(DescribeTableRequest request);            

Parameters

Examples

The following sample code provides an example on how to query the description of a table:

 try
 {
     var request = new DescribeTableRequest("SampleTable");
     var response = otsClient.DescribeTable(request);

     // Display the description of the table. 
     Console.WriteLine("Describe table succeeded.");
     Console.WriteLine("LastIncreaseTime: {0}", response.ReservedThroughputDetails.LastIncreaseTime);
     Console.WriteLine("LastDecreaseTime: {0}", response.ReservedThroughputDetails.LastDecreaseTime);
     Console.WriteLine("NumberOfDecreaseToday: {0}", response.ReservedThroughputDetails.LastIncreaseTime);
     Console.WriteLine("ReadCapacity: {0}", response.ReservedThroughputDetails.CapacityUnit.Read);
     Console.WriteLine("WriteCapacity: {0}", response.ReservedThroughputDetails.CapacityUnit.Write);
 }
 catch (Exception ex)
 {
     // If the operation fails, an exception is returned. Handle the exception. 
     Console.WriteLine("Describe table failed, exception:{0}", ex.Message);
 }           

References

• For information about the API operation that you can call to query the description of a table, see DescribeTable.

• You can call API operations to read and write data in a data table. For more information, see Basic operations on data.

• You can update a table to modify the information about the table, such as the TTL and max versions. For more information, see UpdateTable.

• You can delete a data table that you no longer require. For more information, see Delete a data table.