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* bug#69420: 29.2; iSQL point/process-mark fix
@ 2024-02-27  4:56 Gary Hollis
  2024-02-27  8:13 ` Eli Zaretskii
  0 siblings, 1 reply; 8+ messages in thread
From: Gary Hollis @ 2024-02-27  4:56 UTC (permalink / raw)
  To: 69420

When the point is not at the very end of the iSQL buffer, the
process-mark is not kept in a reasonable state if sql-send-string is
called.

Example to reproduce bug:
1. Open a sql-mode buffer.
2. Connect to a SQL database of choice.
3. Move the point of the iSQL buffer to the top, e.g. with M-<
4. Send good queries via sql-send-string, sql-send-region etc.
5. In iSQL buffer, move point to end, e.g. with M->
6. Enter a good query.

Expected result: The new query successfully sends and sql process 
returns output.
Actual result: Whatever contents had been output from the 
sql-send-string, sql-send-region etc. will be sent along with the new query.

To fix: a call to (end-of-buffer) can be placed within the
(save-excursion ...) context before sending any input in the
sql-send-string function, e.g.

;; from sql.el with fix for bug added with BUG FIX comment:
(defun sql-send-string (str)
   "Send the string STR to the SQL process."
   (interactive "sSQL Text: ")

   (let ((comint-input-sender-no-newline nil)
         (s (replace-regexp-in-string "[[:space:]\n\r]+\\'" "" str)))
     (if (sql-buffer-live-p sql-buffer)
     (progn
       ;; Ignore the hoping around...
       (save-excursion
         ;; Set product context
         (with-current-buffer sql-buffer
               (end-of-buffer) ; BUG FIX: correct point before sending input
               (when sql-debug-send
                 (message ">>SQL> %S" s))
               (insert "\n")
               (comint-set-process-mark)

           ;; Send the string (trim the trailing whitespace)
           (sql-input-sender (get-buffer-process (current-buffer)) s)

           ;; Send a command terminator if we must
           (sql-send-magic-terminator sql-buffer s sql-send-terminator)

               (when sql-pop-to-buffer-after-send-region
             (message "Sent string to buffer %s" sql-buffer))))

       ;; Display the sql buffer
       (sql-display-buffer sql-buffer))

       ;; We don't have no stinkin' sql
       (user-error "No SQL process started"))))


In GNU Emacs 29.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.40,
cairo version 1.18.0)
Windowing system distributor 'The X.Org Foundation', version 11.0.12101011
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^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2024-04-22  5:40 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-02-27  4:56 bug#69420: 29.2; iSQL point/process-mark fix Gary Hollis
2024-02-27  8:13 ` Eli Zaretskii
2024-03-09  8:57   ` Eli Zaretskii
2024-03-21  8:34     ` Eli Zaretskii
2024-04-06  8:55       ` Eli Zaretskii
2024-04-18  8:56         ` Eli Zaretskii
2024-04-21 21:33     ` Michael Mauger via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-04-22  5:40       ` Eli Zaretskii

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