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(SQL Server) Delete All IMAP EmailDemonstrates two ways to delete all email in a mailbox on an IMAP server. Note: This example requires Chilkat v11.0.0 or greater.
-- 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 DECLARE @iTmp1 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 @imap int EXEC @hr = sp_OACreate 'Chilkat.Imap', @imap OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END -- Turn on session logging: EXEC sp_OASetProperty @imap, 'KeepSessionLog', 1 -- Connect to an IMAP server. -- Use TLS EXEC sp_OASetProperty @imap, 'Ssl', 1 EXEC sp_OASetProperty @imap, 'Port', 993 EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'imap.example.com' IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap RETURN END -- Login EXEC sp_OAMethod @imap, 'Login', @success OUT, 'myLogin', 'myPassword' IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap RETURN END -- Select an IMAP mailbox EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox.RubyMail' IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap RETURN END -- Get the complete set of Uids for email in the selected mailbox. DECLARE @messageSet int EXEC @hr = sp_OACreate 'Chilkat.MessageSet', @messageSet OUT EXEC sp_OAMethod @imap, 'QueryMbx', @success OUT, 'ALL', 1, @messageSet IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @messageSet RETURN END -- Set the Deleted flag for each message. -- (ExpungeAndClose must be called to finalize the delete.) EXEC sp_OAMethod @imap, 'SetFlags', @success OUT, @messageSet, 'Deleted', 1 IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @messageSet RETURN END -- Alternatively, the Deleted flag may be set for each UID -- individiually, but this is less efficient: DECLARE @i int SELECT @i = 0 DECLARE @n int EXEC sp_OAGetProperty @messageSet, 'Count', @n OUT WHILE @i < @n BEGIN EXEC sp_OAMethod @messageSet, 'GetId', @iTmp0 OUT, @i EXEC sp_OAGetProperty @messageSet, 'HasUids', @iTmp1 OUT EXEC sp_OAMethod @imap, 'SetFlag', @success OUT, @iTmp0, @iTmp1, 'Deleted', 1 IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @messageSet RETURN END SELECT @i = @i + 1 END -- Expunge and close the mailbox. EXEC sp_OAMethod @imap, 'ExpungeAndClose', @success OUT IF @success = 0 BEGIN EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @messageSet RETURN END -- Display the session log. EXEC sp_OAGetProperty @imap, 'SessionLog', @sTmp0 OUT PRINT @sTmp0 -- Disconnect from the IMAP server. EXEC sp_OAMethod @imap, 'Disconnect', @success OUT EXEC @hr = sp_OADestroy @imap EXEC @hr = sp_OADestroy @messageSet END GO |
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