Cmdlets for Cloudant

Build 22.0.8479

SELECT INTO ステートメント

SELECT INTO ステートメントを使って、書式付きデータをファイルにエクスポートできます。

SQL クエリを使ったデータのエクスポート

次のクエリは、comma-separated values(CSV)ファイルフォーマットにデータをエクスポートします。

C#

String connectionString = "User=abc123; Password=abcdef;";

using (CloudantConnection connection = new CloudantConnection(connectionString)) {
  CloudantCommand cmd = new CloudantCommand("SELECT MovieRuntime, MovieRating INTO [csv://Movies.txt] FROM [Movies] WHERE MovieRating = 'R' ", connection);
  int rowsAffected = cmd.ExecuteNonQuery();
} 

VB.NET

Dim connectionString As [String] = "User=abc123; Password=abcdef;" 

Using connection As New CloudantConnection(connectionString)
  Dim cmd As New CloudantCommand("SELECT MovieRuntime, MovieRating INTO [csv://Movies.txt] FROM [Movies] WHERE MovieRating = 'R'", connection)
  Dim rowsAffected As Integer = cmd.ExecuteNonQuery()
End Using
URI で他のファイルフォーマットを指定できます。以下の例は、tab-separated values(TSV)にエクスポートします。

C#

String connectionString = "User=abc123; Password=abcdef;";

using (CloudantConnection connection = new CloudantConnection(connectionString)) {
  CloudantCommand cmd = new CloudantCommand("SELECT * INTO [Movies] IN [csv://filename=c:/Movies.csv;delimiter=tab] FROM [Movies] WHERE MovieRating = 'R'", connection);
  int rowsAffected = cmd.ExecuteNonQuery();
} 

VB.NET

Dim connectionString As [String] = "User=abc123; Password=abcdef;" 

Using connection As New CloudantConnection(connectionString)
  Dim cmd As New CloudantCommand("SELECT * INTO [Movies] IN [csv://filename=c:/Movies.csv;delimiter=tab] FROM [Movies] WHERE MovieRating = 'R'", connection)
  Dim rowsAffected As Integer = cmd.ExecuteNonQuery()
End Using

Copyright (c) 2023 CData Software, Inc. - All rights reserved.
Build 22.0.8479