Re: ob-sql error because of not specifying column-seperator

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: ob-sql error because of not specifying column-seperator
Date: Fri, 03 Dec 2010 15:49:04 +0100	[thread overview]
Message-ID: <807hfq29pb.fsf@missioncriticalit.com> (raw)
In-Reply-To: 20101203.140155.105952638.joost@snow.nl

Hi Joost,

Joost Helberg wrote:
> when using babel SQL, the column's in the resultset are converted to
> org-tables using (org-table-import file sep).
>
> The command used to retrieve the information from the databaseserver
> gets the option to use the tab (\t) as columnseperator. 
>
> The call to org-table-import however doesn't specify this
> seperator. This leaves it to org-table-import to find out what the
> seperator is. org-table-import doesn't always succeed in this. Hence
> the diff below which sets the seperator to <tab> (\t).
>
> regards,
>
> Joost Helberg
>
> diff --git a/lisp/ob-sql.el b/lisp/ob-sql.el
> index 19c271d..6bb9a96 100644
> --- a/lisp/ob-sql.el
> +++ b/lisp/ob-sql.el
> @@ -80,7 +80,7 @@ This function is called by `org-babel-execute-src-block'."
>      (message command)
>      (shell-command command)
>      (with-temp-buffer
> -      (org-table-import out-file nil)
> +      (org-table-import out-file '(16))
>        (org-babel-reassemble-table
>         (org-table-to-lisp)
>         (org-babel-pick-name (cdr (assoc :colname-names params))

Nice catch!

This one should improve the associated doc.

--8<---------------cut here---------------start------------->8---
lisp/org-table.el

--- INDEX:/lisp/org-table.el
+++ WORKDIR:/lisp/org-table.el
@@ -486,8 +486,8 @@ nil      When nil, the command tries to be smart and figure out the
     (goto-char beg)
     (org-table-align)))
 
-(defun org-table-import (file arg)
-  "Import FILE as a table.
+(defun org-table-import (file separator)
+  "Import FILE as a table, using specified field SEPARATOR.
 The file is assumed to be tab-separated.  Such files can be produced by most
 spreadsheet and database applications.  If no tabs (at least one per line)
 are found, lines will be split on whitespace into fields."
@@ -496,7 +496,7 @@ are found, lines will be split on whitespace into fields."
   (let ((beg (point))
 	(pm (point-max)))
     (insert-file-contents file)
-    (org-table-convert-region beg (+ (point) (- (point-max) pm)) arg)))
+    (org-table-convert-region beg (+ (point) (- (point-max) pm)) separator)))
 
 
 (defvar org-table-last-alignment)
--8<---------------cut here---------------end--------------->8---

Best regards,
  Seb

-- 
Sébastien Vauban


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