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SQL Server

Sync a Local Tree Up to an FTP Server

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Demonstrates the Chilkat Ftp2.SyncRemoteTree method, which synchronizes a local tree into the current remote directory. The first argument is the local root and the second is the upload mode, which selects which files are uploaded.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: The upload equivalent of SyncLocalTree — push only the files the mode identifies as new or changed, so a large site or dataset re-deploys quickly by skipping everything already current on the server. Pair it with SyncDeleteRemote when you additionally need to remove server files that no longer exist locally, making the remote an exact mirror.

Chilkat SQL Server Downloads

SQL Server
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    --  Demonstrates the Ftp2.SyncRemoteTree method, which synchronizes a local tree into the current
    --  remote directory.  The 1st argument is the local root and the 2nd is the upload mode.

    DECLARE @ftp int
    EXEC @hr = sp_OACreate 'Chilkat.Ftp2', @ftp OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @ftp, 'Hostname', 'ftp.example.com'
    EXEC sp_OASetProperty @ftp, 'Username', 'myFtpLogin'

    --  Normally you would not hard-code the password in source.  You should instead obtain it
    --  from an interactive prompt, environment variable, or a secrets vault.
    EXEC sp_OASetProperty @ftp, 'Password', 'myPassword'

    EXEC sp_OAMethod @ftp, 'Connect', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END

    EXEC sp_OAMethod @ftp, 'ChangeRemoteDir', @success OUT, 'public_html'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END

    --  Upload mode selects which files are transferred:
    --    0 = all selected files
    --    1 = files missing on the server
    --    2 = missing, or newer locally
    --    3 = only files that exist remotely and are newer locally
    --    4 = missing, or a different size
    --    5 = missing, different size, or newer locally

    DECLARE @mode int
    SELECT @mode = 5
    EXEC sp_OAMethod @ftp, 'SyncRemoteTree', @success OUT, 'qa_data/site', @mode
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END

    PRINT 'Local tree synced to remote.'

    EXEC sp_OAMethod @ftp, 'Disconnect', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END

    EXEC @hr = sp_OADestroy @ftp


END
GO