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emacs/lisp/sqlite.el
2023-01-01 05:31:12 -05:00

44 lines
1.4 KiB
EmacsLisp

;;; sqlite.el --- Functions for interacting with sqlite3 databases -*- lexical-binding: t; -*-
;; Copyright (C) 2021-2023 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(defmacro with-sqlite-transaction (db &rest body)
"Execute BODY while holding a transaction for DB."
(declare (indent 1) (debug (form body)))
(let ((db-var (gensym))
(func-var (gensym)))
`(let ((,db-var ,db)
(,func-var (lambda () ,@body)))
(if (sqlite-available-p)
(unwind-protect
(progn
(sqlite-transaction ,db-var)
(funcall ,func-var))
(sqlite-commit ,db-var))
(funcall ,func-var)))))
(provide 'sqlite)
;;; sqlite.el ends here