(SQL Server) Transition from MailMan.FetchMultiple to MailMan.FetchUidlSet

Provides instructions for replacing deprecated FetchMultiple method calls with FetchUidlSet.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @mailman int
    -- Use "Chilkat_9_5_0.MailMan" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.MailMan', @mailman OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- ...
    -- ...

    DECLARE @saUidls int
    -- Use "Chilkat_9_5_0.StringArray" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringArray', @saUidls OUT

    DECLARE @success int
    EXEC sp_OAMethod @saUidls, 'Append', @success OUT, 'aaa'
    EXEC sp_OAMethod @saUidls, 'Append', @success OUT, 'bbb'
    EXEC sp_OAMethod @saUidls, 'Append', @success OUT, 'ccc'

    DECLARE @stUidls int
    -- Use "Chilkat_9_5_0.StringTable" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.StringTable', @stUidls OUT

    EXEC sp_OAMethod @stUidls, 'Append', @success OUT, 'aaa'
    EXEC sp_OAMethod @stUidls, 'Append', @success OUT, 'bbb'
    EXEC sp_OAMethod @stUidls, 'Append', @success OUT, 'ccc'

    -- ------------------------------------------------------------------------
    -- The FetchMultiple method is deprecated:

    DECLARE @bundleObj int
    EXEC sp_OAMethod @mailman, 'FetchMultiple', @bundleObj OUT, @saUidls
    EXEC sp_OAGetProperty @mailman, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        EXEC @hr = sp_OADestroy @saUidls
        EXEC @hr = sp_OADestroy @stUidls
        RETURN
      END

    -- ...
    -- ...

    EXEC @hr = sp_OADestroy @bundleObj

    -- ------------------------------------------------------------------------
    -- Do the equivalent using FetchUidlSet.
    -- Your application creates a new, empty EmailBundle object which is passed 
    -- in the last argument and filled upon success.

    DECLARE @headersOnly int
    SELECT @headersOnly = 0
    -- Irrelevant because we are not downloading headers-only.
    DECLARE @numBodyLines int
    SELECT @numBodyLines = 0

    DECLARE @bundleOut int
    -- Use "Chilkat_9_5_0.EmailBundle" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.EmailBundle', @bundleOut OUT

    DECLARE @success int
    EXEC sp_OAMethod @mailman, 'FetchUidlSet', @success OUT, @stUidls, @headersOnly, @numBodyLines, @bundleOut
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mailman, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mailman
        EXEC @hr = sp_OADestroy @saUidls
        EXEC @hr = sp_OADestroy @stUidls
        EXEC @hr = sp_OADestroy @bundleOut
        RETURN
      END

    EXEC @hr = sp_OADestroy @mailman
    EXEC @hr = sp_OADestroy @saUidls
    EXEC @hr = sp_OADestroy @stUidls
    EXEC @hr = sp_OADestroy @bundleOut


END
GO