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* lisp/ob.el (org-babel-temporary-directory): variable to hold the value of the Babel temporary directory (org-babel-temp-file): replacement for make-temp-file with cleanup on exit of Emacs (org-babel-remove-temporary-directory): cleanup function run on exit of Emacs (kill-emacs-hook): now includes babel cleanup function * lisp/ob-C.el (org-babel-C-execute): using org-babel-temp-file instead of make-temp-file * lisp/ob-R.el (org-babel-R-assign-elisp): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-R-evaluate-external-process): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-R-evaluate-session): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-asymptote.el (org-babel-execute:asymptote): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-clojure.el (org-babel-clojure-evaluate-external-process): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-ditaa.el (org-babel-execute:ditaa): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-dot.el (org-babel-execute:dot): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-gnuplot.el (org-babel-gnuplot-process-vars): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-execute:gnuplot): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-haskell.el (org-babel-load-session:haskell): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-haskell-export-to-lhs): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-latex.el (org-babel-execute:latex): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-ledger.el (org-babel-execute:ledger): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-lisp.el (org-babel-execute:lisp): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-octave.el (org-babel-octave-evaluate-external-process): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-octave-evaluate-session): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-octave-import-elisp-from-file): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-perl.el (org-babel-perl-evaluate): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-python.el (org-babel-python-evaluate): using `org-babel-temp-file' instead of `make-temp-file' using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-ruby.el (org-babel-ruby-evaluate): using `org-babel-temp-file' instead of `make-temp-file' using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-sass.el (org-babel-execute:sass): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-sh.el (org-babel-sh-evaluate): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-sql.el (org-babel-execute:sql): using `org-babel-temp-file' instead of `make-temp-file' * lisp/ob-sqlite.el (org-babel-execute:sqlite): using `org-babel-temp-file' instead of `make-temp-file' (org-babel-sqlite-expand-vars): using `org-babel-temp-file' instead of `make-temp-file'
91 lines
3.3 KiB
EmacsLisp
91 lines
3.3 KiB
EmacsLisp
;;; ob-sql.el --- org-babel functions for sql evaluation
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;; Copyright (C) 2009, 2010 Free Software Foundation, Inc.
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;; Author: Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 7.01trans
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for evaluating sql source code.
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;;
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;; SQL is somewhat unique in that there are many different engines for
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;; the evaluation of sql (Mysql, PostgreSQL, etc...), so much of this
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;; file will have to be implemented engine by engine.
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;;
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;; Also SQL evaluation generally takes place inside of a database.
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;;
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;; For now lets just allow a generic ':cmdline' header argument.
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;;
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;; TODO:
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;;
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;; - support for sessions
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;; - add more useful header arguments (user, passwd, database, etc...)
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;; - support for more engines (currently only supports mysql)
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;; - what's a reasonable way to drop table data into SQL?
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;;
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;;; Code:
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(require 'ob)
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(eval-when-compile (require 'cl))
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(declare-function org-table-import "org-table" (file arg))
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(defvar org-babel-default-header-args:sql '())
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(defun org-babel-expand-body:sql (body params &optional processed-params)
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"Expand BODY according to PARAMS, return the expanded body." body)
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(defun org-babel-execute:sql (body params)
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"Execute a block of Sql code with Babel.
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This function is called by `org-babel-execute-src-block'."
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(let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
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(processed-params (org-babel-process-params params))
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(cmdline (cdr (assoc :cmdline params)))
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(engine (cdr (assoc :engine params)))
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(in-file (org-babel-temp-file "sql-in-"))
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(out-file (or (cdr (assoc :out-file params))
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(org-babel-temp-file "sql-out-")))
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(command (case (intern engine)
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('mysql (format "mysql %s -e \"source %s\" > %s"
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(or cmdline "") in-file out-file))
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(t (error "no support for the %s sql engine" engine)))))
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(with-temp-file in-file
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(insert (org-babel-expand-body:sql body params)))
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(message command)
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(shell-command command)
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(with-temp-buffer
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(org-table-import out-file nil)
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(org-babel-reassemble-table
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(org-table-to-lisp)
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(org-babel-pick-name (nth 4 processed-params) (cdr (assoc :colnames params)))
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(org-babel-pick-name (nth 5 processed-params) (cdr (assoc :rownames params)))))))
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(defun org-babel-prep-session:sql (session params)
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"Raise an error because Sql sessions aren't implemented."
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(error "sql sessions not yet implemented"))
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(provide 'ob-sql)
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;; arch-tag: a43ff944-6de1-4566-a83c-626814e3dad2
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;;; ob-sql.el ends here
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