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SQL Server Examples

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(SQL Server) SFTP Upload - Synchronize Directory Tree

Demonstrates how to upload files to synchronize a local directory tree with a remote directory tree. The SyncTreeUpload method recursively descends a local directory tree and uploads files based on existence, last-mod date/time and/or size differences.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    --  This example requires the Chilkat SFTP API to have been previously unlocked.
    --  See Unlock Chilkat SFTP for sample code.

    DECLARE @sftp int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.SFtp', @sftp OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @sftp, 'Connect', @success OUT, 'my-ssh-server.com', 22
    IF @success = 1
      BEGIN
        EXEC sp_OAMethod @sftp, 'AuthenticatePw', @success OUT, 'mySshLogin', 'mySshPassword'
      END
    IF @success = 1
      BEGIN
        EXEC sp_OAMethod @sftp, 'InitializeSftp', @success OUT
      END
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @sftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @sftp
        RETURN
      END

    --  Synchronize (by uploading) the local directory tree rooted at "qa_data/sftpUploadTree"
    --  with the remote directory tree rooted at "syncUploadTest"
    --  Both directories are relative paths.  The remote directory
    --  is relative to the HOME directory of the SSH user account.
    --  The local directory is relative to the current working directory of the process.
    --  It is also possible to use absolute paths.

    DECLARE @remoteDir nvarchar(4000)
    SELECT @remoteDir = 'syncUploadTest'
    DECLARE @localDir nvarchar(4000)
    SELECT @localDir = 'qa_data/sftpUploadTree'

    --  Possible modes that can be passed to the SyncTreeUpload method are:
    --  mode=0: Upload all files
    --  mode=1: Upload all files that do not exist on the server.
    --  mode=2: Upload newer or non-existant files.
    --  mode=3: Upload only newer files. If a file does not already exist on the server, it is not uploaded.
    --  mode=4: transfer missing files or files with size differences.
    --  mode=5: same as mode 4, but also newer files.

    --  This example will use mode 5 to upload missing, newer, or files with size differences.
    DECLARE @mode int
    SELECT @mode = 5
    --  This example turns on recursion to synchronize the entire tree.
    --  Recursion can be turned off to synchronize the files of a single directory.
    DECLARE @recursive int
    SELECT @recursive = 1
    EXEC sp_OAMethod @sftp, 'SyncTreeUpload', @success OUT, @localDir, @remoteDir, @mode, @recursive
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @sftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @sftp
        RETURN
      END


    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @sftp


END
GO

 

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