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。
SELECT Id, DeviceName INTO [csv://Payments.txt] FROM [Payments] WHERE Id = 'Jq74mCczmFXk1tC10GB'ファイルURI で他のフォーマットを指定できます。利用可能な区切り文字はタブ、セミコロン、カンマです。デフォルトはカンマです。次の例は、tab-separated values(TSV)にエクスポートします。
SELECT Id, DeviceName INTO [csv://Payments.txt;delimiter=tab] FROM [Payments] WHERE Id = 'Jq74mCczmFXk1tC10GB'
C#
String connectionString = "OAuthClientId=MyApplicationId;OAuthClientSecret=MyApplicationSecret;CallbackURL=http://localhost:33333;LocationId=MyDefaultLocation"; using (SquareConnection connection = new SquareConnection(connectionString)) { SquareCommand cmd = new SquareCommand("SELECT Id, DeviceName INTO [csv://Payments.txt] FROM [Payments] WHERE Id = 'Jq74mCczmFXk1tC10GB' ", connection); int rowsAffected = cmd.ExecuteNonQuery(); }
VB.NET
Dim connectionString As [String] = "OAuthClientId=MyApplicationId;OAuthClientSecret=MyApplicationSecret;CallbackURL=http://localhost:33333;LocationId=MyDefaultLocation" Using connection As New SquareConnection(connectionString) Dim cmd As New SquareCommand("SELECT Id, DeviceName INTO [csv://Payments.txt] FROM [Payments] WHERE Id = 'Jq74mCczmFXk1tC10GB'", connection) Dim rowsAffected As Integer = cmd.ExecuteNonQuery() End UsingURI 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 = "OAuthClientId=MyApplicationId;OAuthClientSecret=MyApplicationSecret;CallbackURL=http://localhost:33333;LocationId=MyDefaultLocation"; using (SquareConnection connection = new SquareConnection(connectionString)) { SquareCommand cmd = new SquareCommand("SELECT * INTO [Payments] IN [csv://filename=c:/Payments.csv;delimiter=tab] FROM [Payments] WHERE Id = 'Jq74mCczmFXk1tC10GB'", connection); int rowsAffected = cmd.ExecuteNonQuery(); }
VB.NET
Dim connectionString As [String] = "OAuthClientId=MyApplicationId;OAuthClientSecret=MyApplicationSecret;CallbackURL=http://localhost:33333;LocationId=MyDefaultLocation" Using connection As New SquareConnection(connectionString) Dim cmd As New SquareCommand("SELECT * INTO [Payments] IN [csv://filename=c:/Payments.csv;delimiter=tab] FROM [Payments] WHERE Id = 'Jq74mCczmFXk1tC10GB'", connection) Dim rowsAffected As Integer = cmd.ExecuteNonQuery() End Using