;;; ob-sql.el --- org-babel functions for sql evaluation
-;; Copyright (C) 2009-2011 Free Software Foundation, Inc.
+;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
;; Author: Eric Schulte
;; Keywords: literate programming, reproducible research
;; Homepage: http://orgmode.org
-;; Version: 7.4
;; This file is part of GNU Emacs.
;;; Commentary:
;; Org-Babel support for evaluating sql source code.
+;; (see also ob-sqlite.el)
;;
;; SQL is somewhat unique in that there are many different engines for
;; the evaluation of sql (Mysql, PostgreSQL, etc...), so much of this
;; - add more useful header arguments (user, passwd, database, etc...)
;; - support for more engines (currently only supports mysql)
;; - what's a reasonable way to drop table data into SQL?
-;;
+;;
;;; Code:
(require 'ob)
(defvar org-babel-default-header-args:sql '())
+(defvar org-babel-header-arg-names:sql
+ '(engine out-file))
+
(defun org-babel-expand-body:sql (body params)
"Expand BODY according to the values of PARAMS."
(org-babel-sql-expand-vars
(in-file (org-babel-temp-file "sql-in-"))
(out-file (or (cdr (assoc :out-file params))
(org-babel-temp-file "sql-out-")))
+ (header-delim "")
(command (case (intern engine)
('msosql (format "osql %s -s \"\t\" -i %s -o %s"
(or cmdline "")
(org-babel-process-file-name in-file)
(org-babel-process-file-name out-file)))
- ('mysql (format "mysql %s -e \"source %s\" > %s"
+ ('mysql (format "mysql %s < %s > %s"
(or cmdline "")
(org-babel-process-file-name in-file)
(org-babel-process-file-name out-file)))
- ('postgresql (format "psql -A -P footer=off -F \"\t\" -f %s -o %s %s"
+ ('postgresql (format
+ "psql -A -P footer=off -F \"\t\" -f %s -o %s %s"
(org-babel-process-file-name in-file)
(org-babel-process-file-name out-file)
(or cmdline "")))
(insert (org-babel-expand-body:sql body params)))
(message command)
(shell-command command)
- (with-temp-buffer
- (org-table-import out-file '(16))
- (org-babel-reassemble-table
- (org-table-to-lisp)
- (org-babel-pick-name (cdr (assoc :colname-names params))
- (cdr (assoc :colnames params)))
- (org-babel-pick-name (cdr (assoc :rowname-names params))
- (cdr (assoc :rownames params)))))))
+ (if (or (member "scalar" result-params)
+ (member "verbatim" result-params)
+ (member "html" result-params)
+ (member "code" result-params)
+ (equal (point-min) (point-max)))
+ (with-temp-buffer
+ (progn (insert-file-contents-literally out-file) (buffer-string)))
+ (with-temp-buffer
+ ;; need to figure out what the delimiter is for the header row
+ (with-temp-buffer
+ (insert-file-contents out-file)
+ (goto-char (point-min))
+ (when (re-search-forward "^\\(-+\\)[^-]" nil t)
+ (setq header-delim (match-string-no-properties 1)))
+ (goto-char (point-max))
+ (forward-char -1)
+ (while (looking-at "\n")
+ (delete-char 1)
+ (goto-char (point-max))
+ (forward-char -1))
+ (write-file out-file))
+ (org-table-import out-file '(16))
+ (org-babel-reassemble-table
+ (mapcar (lambda (x)
+ (if (string= (car x) header-delim)
+ 'hline
+ x))
+ (org-table-to-lisp))
+ (org-babel-pick-name (cdr (assoc :colname-names params))
+ (cdr (assoc :colnames params)))
+ (org-babel-pick-name (cdr (assoc :rowname-names params))
+ (cdr (assoc :rownames params))))))))
(defun org-babel-sql-expand-vars (body vars)
"Expand the variables held in VARS in BODY."
(provide 'ob-sql)
+
;;; ob-sql.el ends here