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[O] Add support for sqsh sql src blocks


From: MaDhAt2r
Subject: [O] Add support for sqsh sql src blocks
Date: Thu, 24 Nov 2016 08:00:43 -0600

ob-sql-el: Add support for `sqsh' as an SQL engine

TINYCHANGE

1 file changed, 41 insertions(+), 10 deletions(-)
ob-sql.el | 51 +++++++++++++++++++++++++++++++++++++++++----------

modified   ob-sql.el
@@ -116,6 +116,17 @@ SQL Server on Windows and Linux platform."
                         (when database (format "-d \"%s\"" database))))
             " "))
 
+(defun org-babel-sql-dbstring-sqsh (host user password database)
+  "Make sqlcmd commmand line args for database connection.
+`sqsh' is one method to access Sybase or MS SQL via Linux platform"
+  (mapconcat #'identity
+             (delq nil
+                   (list (when host (format "-S \"%s\"" host))
+                         (when user (format "-U \"%s\"" user))
+                         (when password (format "-P \"%s\"" password))
+                         (when database (format "-D \"%s\"" database))))
+             " "))
+
 (defun org-babel-sql-convert-standard-filename (file)
   "Convert the file name to OS standard.
 If in Cygwin environment, uses Cygwin specific function to
@@ -141,14 +152,14 @@ This function is called by `org-babel-execute-src-block'."
          (in-file (org-babel-temp-file "sql-in-"))
          (out-file (or (cdr (assq :out-file params))
                        (org-babel-temp-file "sql-out-")))
-        (header-delim "")
+         (header-delim "")
          (command (pcase (intern engine)
-                    (`dbi (format "dbish --batch %s < %s | sed '%s' > %s"
+        (`dbi (format "dbish --batch %s < %s | sed '%s' > %s"
                                  (or cmdline "")
                                  (org-babel-process-file-name in-file)
                                  "/^+/d;s/^|//;s/(NULL)/ /g;$d"
                                  (org-babel-process-file-name out-file)))
-                    (`monetdb (format "mclient -f tab %s < %s > %s"
+        (`monetdb (format "mclient -f tab %s < %s > %s"
                                      (or cmdline "")
                                      (org-babel-process-file-name in-file)
                                      (org-babel-process-file-name out-file)))
@@ -160,7 +171,15 @@ This function is called by `org-babel-execute-src-block'."
                                     (org-babel-process-file-name in-file))
                                    (org-babel-sql-convert-standard-filename
                                     (org-babel-process-file-name out-file))))
-                    (`mysql (format "mysql %s %s %s < %s > %s"
+        (`sqsh (format "sqsh %s %s -i %s -o %s -m csv"
+                        (or cmdline "")
+                        (org-babel-sql-dbstring-sqsh
+                         dbhost dbuser dbpassword database)
+                        (org-babel-sql-convert-standard-filename
+                         (org-babel-process-file-name in-file))
+                        (org-babel-sql-convert-standard-filename
+                         (org-babel-process-file-name out-file))))
+        (`mysql (format "mysql %s %s %s < %s > %s"
                                    (org-babel-sql-dbstring-mysql
                                     dbhost dbport dbuser dbpassword database)
                                    (if colnames-p "" "-N")
@@ -179,13 +198,13 @@ footer=off -F \"\t\"  %s -f %s -o %s %s"
                                  (org-babel-process-file-name in-file)
                                  (org-babel-process-file-name out-file)
                                  (or cmdline "")))
-                    (`oracle (format
+        (`oracle (format
                              "sqlplus -s %s < %s > %s"
                              (org-babel-sql-dbstring-oracle
                               dbhost dbport dbuser dbpassword database)
                              (org-babel-process-file-name in-file)
                              (org-babel-process-file-name out-file)))
-                    (_ (error "No support for the %s SQL engine" engine)))))
+        (_ (error "No support for the %s SQL engine" engine)))))
     (with-temp-file in-file
       (insert
        (pcase (intern engine)
@@ -203,18 +222,23 @@ SET MARKUP HTML OFF SPOOL OFF
 SET COLSEP '|'
 
 ")
-        (`mssql "SET NOCOUNT ON
+         ((or `mssql `sqsh ) "SET NOCOUNT ON
 
 ")
         (_ ""))
-       (org-babel-expand-body:sql body params)))
+       (org-babel-expand-body:sql body params)
+       ;; sqsh requires `go' inserted at EOF
+       (if (equal (intern engine) `sqsh)
+           "\ngo"
+         "")
+       ))
     (org-babel-eval command "")
     (org-babel-result-cond result-params
       (with-temp-buffer
        (progn (insert-file-contents-literally out-file) (buffer-string)))
       (with-temp-buffer
        (cond
-        ((memq (intern engine) '(dbi mysql postgresql))
+        ((memq (intern engine) '(dbi mysql postgresql sqsh))
          ;; Add header row delimiter after column-names header in first line
          (cond
           (colnames-p
@@ -239,7 +263,14 @@ SET COLSEP '|'
              (goto-char (point-max))
              (forward-char -1))
            (write-file out-file))))
-       (org-table-import out-file '(16))
+  (cond
+        ((equal (intern engine) 'sqsh)
+    (org-table-import out-file '(4))
+    )
+   (t
+    (org-table-import out-file '(16))
+    )
+   )
        (org-babel-reassemble-table
         (mapcar (lambda (x)
                   (if (string= (car x) header-delim)




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