SQL Server

Zip One File

See more Zip Examples

Zip a single file. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

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

    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, 'test.zip'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    -- In this example, the file we wish to zip is /temp/abc123/HelloWorld123.txt

    -- Add a reference to a single file by calling AddFile
    -- Note: You may use either forward or backward slashes.
    DECLARE @saveExtraPath int
    SELECT @saveExtraPath = 0
    EXEC sp_OAMethod @zip, 'AddFile', @success OUT, '/temp/abc123/HelloWorld123.txt', @saveExtraPath
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

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

    -- A .zip containing "HelloWorld123.txt" with no path information has been created.

    PRINT 'Zip Created!'

    -- Perhaps you want to include a path in the .zip such that when unzipping, a sub-directory
    -- is automatically created and the file unzipped into it.  Use PathPrefix:

    -- (We'll skip checking the success/failure return value.)

    -- Set a PathPrefix to get the relative path you want:
    -- The .zip will contain this entry: "myApp/HelloWorld123.txt"
    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, 'test2.zip'
    EXEC sp_OASetProperty @zip, 'PathPrefix', 'myApp/'
    EXEC sp_OAMethod @zip, 'AddFile', @success OUT, '/temp/abc123/HelloWorld123.txt', @saveExtraPath
    EXEC sp_OAMethod @zip, 'WriteZipAndClose', @success OUT

    EXEC @hr = sp_OADestroy @zip


END
GO