Delete All IMAP Email

Demonstrates two ways to delete all email in a mailbox on an IMAP server.

Download Chilkat IMAP ActiveX

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @sTmp1 nvarchar(4000)
    DECLARE @success int

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

    --  Anything unlocks the component and begins a fully-functional 30-day trial.
    EXEC sp_OAMethod @imap, 'UnlockComponent', @success OUT, 'Anything for 30-day trial'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Turn on session logging:
    EXEC sp_OASetProperty @imap, 'KeepSessionLog', 1

    --  Connect to an IMAP server.
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'mail.chilkatsoft.com'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Login
    EXEC sp_OAMethod @imap, 'Login', @success OUT, 'myLogin', 'myPassword'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox.RubyMail'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    DECLARE @messageSet int

    --  Get the complete set of Uids for email in the selected mailbox.
    EXEC sp_OAMethod @imap, 'GetAllUids', @messageSet OUT
    IF @messageSet Is NULL 
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        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 <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Alternatively, the Deleted flag may be set for each UID
    --  individiually, but this is less efficient:
    DECLARE @i int

    DECLARE @n int

    EXEC sp_OAGetProperty @messageSet, 'Count', @n OUT

    SELECT @i = 0
    WHILE @i <= @n - 1
      BEGIN
        EXEC sp_OAMethod @messageSet, 'GetId', @sTmp0 OUT, @i        EXEC sp_OAGetProperty @messageSet, 'HasUids', @sTmp1 OUT
        EXEC sp_OAMethod @imap, 'SetFlag', @success OUT, @sTmp0, @sTmp1, 'Deleted', 1
        IF @success <> 1
          BEGIN
            EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            RETURN
          END
        SELECT @i = @i + 1
      END

    --  Expunge and close the mailbox.
    EXEC sp_OAMethod @imap, 'ExpungeAndClose', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        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', NULL


END
GO