Get a table (C#)
Gets a reference to a table for use with the Data API clients.
|
Ready to write code? See the examples for this method to get started. If you are new to the Data API, check out the quickstart. |
Result
Returns a Table object that corresponds to the specified table name.
This method returns a Table object even for tables that don’t exist.
By default, the Table object is typed as Table<Row>, where Row is Dictionary<string, object>.
You can enable stronger typing by specifying a type when you get the table.
For more information and examples, see Custom typing for tables.
Parameters
Use the GetTable method, which belongs to the Database class.
Method signature
public Table<Row> GetTable(
string tableName, GetTableOptions options = null
);public Table<TRow> GetTable<TRow>(
string tableName, GetTableOptions options = null
) where TRow : class;public Table<TRow> GetTable<TRow>(
GetTableOptions options = null
) where TRow : class, new();| Name | Type | Summary |
|---|---|---|
|
|
The name of the table. |
|
Optional.
Options for this operation.
Keyspace is required unless you specified a working keyspace when instantiating the |
Examples
The following examples demonstrate how to get a table.
Get a table
using DataStax.AstraDB.DataApi;
using DataStax.AstraDB.DataApi.Core;
namespace Examples;
public class Program
{
static void Main()
{
// Get an existing table
var client = new DataAPIClient(
new CommandOptions() { Destination = DataAPIDestination.HCD }
);
var database = client.GetDatabase(
"API_ENDPOINT",
DataAPIClient.UsernamePasswordTokenProvider(
"USERNAME",
"PASSWORD"
),
"KEYSPACE_NAME"
);
var table = database.GetTable("TABLE_NAME");
}
}Get a table and specify typing
using DataStax.AstraDB.DataApi;
using DataStax.AstraDB.DataApi.Core;
using DataStax.AstraDB.DataApi.Tables;
namespace Examples;
// Define the type for the table
[TableName("TABLE_NAME")]
public class Book
{
[ColumnPrimaryKey(1)]
[ColumnName("title")]
public string Title { get; set; } = null!;
[ColumnPrimaryKeySort(1, SortDirection.Ascending)]
[ColumnName("number_of_pages")]
public int NumberOfPages { get; set; }
[ColumnPrimaryKey(2)]
[ColumnName("rating")]
public float Rating { get; set; }
[ColumnName("genres")]
public string[]? Genres { get; set; }
[ColumnName("metadata")]
public Dictionary<string, string>? Metadata { get; set; }
[ColumnPrimaryKeySort(2, SortDirection.Descending)]
[ColumnName("is_checked_out")]
public bool IsCheckedOut { get; set; }
[ColumnName("due_date")]
public DateOnly? DueDate { get; set; }
}
public class Program
{
static void Main()
{
// Get an existing table
var client = new DataAPIClient(
new CommandOptions() { Destination = DataAPIDestination.HCD }
);
var database = client.GetDatabase(
"API_ENDPOINT",
DataAPIClient.UsernamePasswordTokenProvider(
"USERNAME",
"PASSWORD"
),
"KEYSPACE_NAME"
);
var table = database.GetTable<Book>();
}
}Client reference
For more information, see the client reference.
