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Diffstat (limited to 'lisp/sqlite.el')
-rw-r--r-- | lisp/sqlite.el | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lisp/sqlite.el b/lisp/sqlite.el new file mode 100644 index 00000000000..6a8a53a699e --- /dev/null +++ b/lisp/sqlite.el @@ -0,0 +1,43 @@ +;;; sqlite.el --- Functions for interacting with sqlite3 databases -*- lexical-binding: t; -*- + +;; Copyright (C) 2021-2022 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 |