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From: Robin Campbell Joy <rcj@robinjoy.net>
To: Kyle Meyer <kyle@kyleam.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: [PATCH] ob-sql.el: Add support for SAP HANA
Date: Tue, 16 Mar 2021 16:34:09 +0100	[thread overview]
Message-ID: <CADzxVkEZ2Df4di_2PTsV==JmetA76_-wDHwK6sSN11R1hcVdBg@mail.gmail.com> (raw)
In-Reply-To: <87lfaniu8k.fsf@kyleam.com>


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Hi,

thank you very much for you feedback.

Kyle Meyer <kyle@kyleam.com> wrote:

>> This patch is large enough that copyright should be assigned to the FSF.
>> Assuming you haven't already, are you willing to complete the copyright
>> paperwork?

I did this before sending the patch.

>> It looks like many of the lines are corrupted by additional line breaks,
>> so it'd take a lot of manual editing to resolve the issues on my end.

I addressed your points and added the patch as an attachment to avoid
potential
issues.

>>>> +  (mapconcat #'identity
>>>> +             (delq nil
>>>> +                   (list (when (and host port) (format "-n %s:%s" host
>>>> port))

>> Please prefer `and' here and in other spots where the return value is of
>> interest.

>>   (and host port (format ...))

I used `when' for consistency, as all the other methods are using it, but I
don't mind changing it to `and'.

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From 0c6fbc5c3fa1c6f787949848b91b1464f2a6cc56 Mon Sep 17 00:00:00 2001
From: Robin Campbell Joy <rcj@robinjoy.net>
Date: Wed, 3 Feb 2021 21:38:11 +0100
Subject: [PATCH] ob-sql.el: Add support for SAP HANA

* lisp/ob-sql.el (org-babel-execute:sql, org-babel-sql-dbstring-saphana):
Add basic support for SAP HANA to SQL blocks.
* testing/lisp/test-ob-sql.el: Basic tests for generated db connection
string.

This change adds basic support for SAP HANA to SQL blocks by
specifying saphana as :engine.

It also adds a new header arg `dbinstance' in order to specify the SAP
HANA instance to connect to.
---
 lisp/ob-sql.el              |  27 ++-
 testing/lisp/test-ob-sql.el | 382 ++++++++++++++++++++++++++++++++++++
 2 files changed, 408 insertions(+), 1 deletion(-)
 create mode 100644 testing/lisp/test-ob-sql.el

diff --git a/lisp/ob-sql.el b/lisp/ob-sql.el
index b1c6920cb..a7e4d1ac1 100644
--- a/lisp/ob-sql.el
+++ b/lisp/ob-sql.el
@@ -40,6 +40,7 @@
 ;; - dbuser
 ;; - dbpassword
 ;; - dbconnection (to reference connections in sql-connection-alist)
+;; - dbinstance (currently only used by SAP HANA)
 ;; - database
 ;; - colnames (default, nil, means "yes")
 ;; - result-params
@@ -58,6 +59,7 @@
 ;; - postgresql (postgres)
 ;; - oracle
 ;; - vertica
+;; - saphana
 ;;
 ;; TODO:
 ;;
@@ -85,6 +87,7 @@
     (dbport	       . :any)
     (dbuser	       . :any)
     (dbpassword	       . :any)
+    (dbinstance	       . :any)
     (database	       . :any))
   "SQL-specific header arguments.")
 
@@ -175,6 +178,20 @@ Pass nil to omit that arg."
 			  (when database (format "-d %s" database))))
 	      " "))
 
+(defun org-babel-sql-dbstring-saphana (host port instance user password database)
+  "Make SAP HANA command line args for database connection.
+Pass nil to omit that arg."
+  (mapconcat #'identity
+             (delq nil
+                   (list (and host port (format "-n %s:%s" host port))
+                         (and host (not port) (format "-n %s" host))
+                         (and instance (format "-i %d" instance))
+                         (and user (format "-u %s" user))
+                         (and password (format "-p %s"
+                                               (shell-quote-argument password)))
+                         (and database (format "-d %s" database))))
+             " "))
+
 (defun org-babel-sql-convert-standard-filename (file)
   "Convert FILE to OS standard file name.
 If in Cygwin environment, uses Cygwin specific function to
@@ -198,6 +215,7 @@ database connections."
                              (:dbport . sql-port)
                              (:dbuser . sql-user)
                              (:dbpassword . sql-password)
+                             (:dbinstance . sql-dbinstance)
                              (:database . sql-database)))
              (mapped-name (cdr (assq name name-mapping))))
         (cadr (assq mapped-name
@@ -213,6 +231,7 @@ This function is called by `org-babel-execute-src-block'."
          (dbport (org-babel-find-db-connection-param params :dbport))
          (dbuser (org-babel-find-db-connection-param params :dbuser))
          (dbpassword (org-babel-find-db-connection-param params :dbpassword))
+         (dbinstance (org-babel-find-db-connection-param params :dbinstance))
          (database (org-babel-find-db-connection-param params :database))
          (engine (cdr (assq :engine params)))
          (colnames-p (not (equal "no" (cdr (assq :colnames params)))))
@@ -280,6 +299,12 @@ footer=off -F \"\t\"  %s -f %s -o %s %s"
 			      dbhost dbport dbuser dbpassword database)
 			     (org-babel-process-file-name in-file)
 			     (org-babel-process-file-name out-file)))
+		    (saphana (format "hdbsql %s -I %s -o %s %s"
+				     (org-babel-sql-dbstring-saphana
+				      dbhost dbport dbinstance dbuser dbpassword database)
+				     (org-babel-process-file-name in-file)
+				     (org-babel-process-file-name out-file)
+				     (or cmdline "")))
                     (t (user-error "No support for the %s SQL engine" engine)))))
     (with-temp-file in-file
       (insert
@@ -313,7 +338,7 @@ SET COLSEP '|'
 	(progn (insert-file-contents-literally out-file) (buffer-string)))
       (with-temp-buffer
 	(cond
-	 ((memq (intern engine) '(dbi mysql postgresql postgres sqsh vertica))
+	 ((memq (intern engine) '(dbi mysql postgresql postgres saphana sqsh vertica))
 	  ;; Add header row delimiter after column-names header in first line
 	  (cond
 	   (colnames-p
diff --git a/testing/lisp/test-ob-sql.el b/testing/lisp/test-ob-sql.el
new file mode 100644
index 000000000..51edd2309
--- /dev/null
+++ b/testing/lisp/test-ob-sql.el
@@ -0,0 +1,382 @@
+;;; test-ob-sql.el --- tests for ob-sql.el
+
+;; Copyright (C) 2021 Robin Joy
+
+;; Author: Robin Joy <rcj@robinjoy.net>
+;; Keywords: lisp
+
+;; This program 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.
+
+;; This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'org-test)
+(require 'ob-sql)
+(unless (featurep 'ob-sql)
+  (signal 'missing-test-dependency "Support for sql code blocks"))
+
+(defmacro ob-sql/command (&rest body)
+  "Execute body and return the command that would have been executed."
+  `(cl-letf (((symbol-function 'org-babel-eval)
+              (lambda (command &rest _) (throw 'sql-command command))))
+     (catch 'sql-command
+       ,@body)))
+
+(defmacro ob-sql/command-should-contain (regexp sql-block)
+  "Check that REGEXP is contained in the command executed when evaluating SQL-BLOCK."
+  `(let ((regexps ,(if (listp regexp) regexp `(list ,regexp)))
+         (command (ob-sql/command (org-test-with-temp-text
+                                      ,sql-block
+                                    (org-babel-next-src-block)
+                                    (org-babel-execute-src-block)))))
+     (dolist (regexp regexps)
+       (should (string-match-p regexp command)))))
+
+(defmacro ob-sql/command-should-not-contain (regexp sql-block)
+  "Check that REGEXP is not contained in the command executed when evaluating SQL-BLOCK."
+  `(let ((command (ob-sql/command
+                   (org-test-with-temp-text
+                       ,sql-block
+                     (org-babel-next-src-block)
+                     (org-babel-execute-src-block)))))
+     (should-not (string-match-p ,regexp command))))
+
+;;; dbish
+(ert-deftest ob-sql/engine-dbi-uses-dbish ()
+  (ob-sql/command-should-contain "^dbish " "
+#+begin_src sql :engine dbi
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-dbish-uses-batch-mode ()
+  (ob-sql/command-should-contain " --batch " "
+#+begin_src sql :engine dbi :dbuser dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-dbish-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams " "
+#+begin_src sql :engine dbi :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+;;; monetdb
+(ert-deftest ob-sql/engine-monetdb-uses-mclient ()
+  (ob-sql/command-should-contain "^mclient " "
+#+begin_src sql :engine monetdb
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-monetdb-outputs-values-tab-separated ()
+  (ob-sql/command-should-contain " -f tab " "
+#+begin_src sql :engine monetdb
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-monetdb-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams " "
+#+begin_src sql :engine monetdb :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+;;; mssql
+(ert-deftest ob-sql/engine-mssql-uses-sqlcmd ()
+  (ob-sql/command-should-contain "^sqlcmd " "
+#+begin_src sql :engine mssql
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-outputs-values-tab-separated ()
+  (ob-sql/command-should-contain " -s \"\t\" " "
+#+begin_src sql :engine mssql
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams " "
+#+begin_src sql :engine mssql :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-passes-user-if-provided ()
+  (ob-sql/command-should-contain " -U \"dummy\" " "
+#+begin_src sql :engine mssql :dbuser dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-passes-password-if-provided ()
+  (ob-sql/command-should-contain " -P \"dummy\" " "
+#+begin_src sql :engine mssql :dbpassword dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-passes-dbhost-if-provided ()
+  (ob-sql/command-should-contain " -S \"localhost\" " "
+#+begin_src sql :engine mssql :dbhost localhost
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-passes-database-if-provided ()
+  (ob-sql/command-should-contain " -d \"R01\" " "
+#+begin_src sql :engine mssql :database R01
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mssql-passes-all-parameter-provided ()
+  (ob-sql/command-should-contain '(" -d \"R01\" " " -S \"localhost\" " " -P \"pwd\" " " -U \"usr\" ") "
+#+begin_src sql :engine mssql :database R01 :dbhost localhost :dbport 30101 :dbinstance 1 :dbuser usr :dbpassword pwd
+  select * from dummy;
+#+end_src"))
+
+;;; MySQL
+(ert-deftest ob-sql/engine-mysql-uses-mysql ()
+  (ob-sql/command-should-contain "^mysql " "
+#+begin_src sql :engine mysql
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mysql-passes-user-if-provided ()
+  (ob-sql/command-should-contain " -udummy " "
+#+begin_src sql :engine mysql :dbuser dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mysql-passes-password-if-provided ()
+  (ob-sql/command-should-contain " -pdummy " "
+#+begin_src sql :engine mysql :dbpassword dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mysql-passes-dbhost-if-provided ()
+  (ob-sql/command-should-contain " -hlocalhost " "
+#+begin_src sql :engine mysql :dbhost localhost
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mysql-passes-host-if-provided ()
+  (ob-sql/command-should-contain " -P30101 " "
+#+begin_src sql :engine mysql :dbport 30101
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mysql-passes-database-if-provided ()
+  (ob-sql/command-should-contain " -dR01 " "
+#+begin_src sql :engine mysql :database R01
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-mysql-passes-all-parameter-provided ()
+  (ob-sql/command-should-contain '(" -dR01 " " -hlocalhost " " -P30101 " " -ppwd " " -uusr ") "
+#+begin_src sql :engine mysql :database R01 :dbhost localhost :dbport 30101 :dbinstance 1 :dbuser usr :dbpassword pwd
+  select * from dummy;
+#+end_src"))
+
+;;; oracle
+(ert-deftest ob-sql/engine-oracle-uses-sqlplus ()
+  (ob-sql/command-should-contain "^sqlplus " "
+#+begin_src sql :engine oracle :dbuser dummy :dbpassword dummy :database dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-oracle-passes-user-pwd-database-host-port-if-provided ()
+  (ob-sql/command-should-contain " dummy/dummypwd@localhost:12345/R01 " "
+#+begin_src sql :engine oracle :dbuser dummy :dbpassword dummypwd :dbhost localhost :database R01 :dbport 12345
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-oracle-passes-user-pwd-database-if-no-host-port-provided ()
+  (ob-sql/command-should-contain " dummy/dummypwd@R01 " "
+#+begin_src sql :engine oracle :dbuser dummy :dbpassword dummypwd :database R01
+  select * from dummy;
+#+end_src"))
+
+;;; postgresql
+(ert-deftest ob-sql/engine-postgresql-uses-psql ()
+  (ob-sql/command-should-contain "^psql " "
+#+begin_src sql :engine postgresql
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-postgresql-passes-password-if-provided ()
+  (ob-sql/command-should-contain "^PGPASSWORD=dummy " "
+#+begin_src sql :engine postgresql :dbpassword dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-postgresql-stop-on-error ()
+  (ob-sql/command-should-contain " --set=\"ON_ERROR_STOP=1\" " "
+#+begin_src sql :engine postgresql
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-postgresql-does-not-output-column-names-if-requested ()
+  (ob-sql/command-should-contain " -t " "
+#+begin_src sql :engine postgresql :colnames no
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-postgresql-outputs-column-names-by-default ()
+  (ob-sql/command-should-not-contain " -t " "
+#+begin_src sql :engine postgresql
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-postgresql-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams$" "
+#+begin_src sql :engine postgresql :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+;;; SAP HANA
+(ert-deftest ob-sql/engine-saphana-uses-hdbsql ()
+  (ob-sql/command-should-contain "^hdbsql " "
+#+begin_src sql :engine saphana
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-user-if-provided ()
+  (ob-sql/command-should-contain " -u dummy " "
+#+begin_src sql :engine saphana :dbuser dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-password-if-provided ()
+  (ob-sql/command-should-contain " -p dummy " "
+#+begin_src sql :engine saphana :dbpassword dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-dbinstance-if-provided ()
+  (ob-sql/command-should-contain " -i 1 " "
+#+begin_src sql :engine saphana :dbinstance 1
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-dbhost-if-provided ()
+  (ob-sql/command-should-contain " -n localhost " "
+#+begin_src sql :engine saphana :dbhost localhost
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-dbhost-and-dbport-if-provided ()
+  (ob-sql/command-should-contain " -n localhost:30101 " "
+#+begin_src sql :engine saphana :dbhost localhost :dbport 30101
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-does-not-pass-host-port-if-only-port-provided ()
+  (ob-sql/command-should-not-contain " -n" "
+#+begin_src sql :engine saphana :dbport 30101
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-database-if-provided ()
+  (ob-sql/command-should-contain " -d R01 " "
+#+begin_src sql :engine saphana :database R01
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-passes-all-parameter-provided ()
+  (ob-sql/command-should-contain '(" -d R01 " " -n localhost:30101 " " -i 1 " " -p pwd " " -u usr") "
+#+begin_src sql :engine saphana :database R01 :dbhost localhost :dbport 30101 :dbinstance 1 :dbuser usr :dbpassword pwd
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-saphana-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams$" "
+#+begin_src sql :engine saphana :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+;;; sqsh
+(ert-deftest ob-sql/engine-sqsh-uses-sqsh ()
+  (ob-sql/command-should-contain "^sqsh " "
+#+begin_src sql :engine sqsh
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-sqsh-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams " "
+#+begin_src sql :engine sqsh :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-sqsh-passes-user-if-provided ()
+  (ob-sql/command-should-contain " -U \"dummy\" " "
+#+begin_src sql :engine sqsh :dbuser dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-sqsh-passes-password-if-provided ()
+  (ob-sql/command-should-contain " -P \"dummy\" " "
+#+begin_src sql :engine sqsh :dbpassword dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-sqsh-passes-host-if-provided ()
+  (ob-sql/command-should-contain " -S \"localhost\" " "
+#+begin_src sql :engine sqsh :dbhost localhost
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-sqsh-passes-database-if-provided ()
+  (ob-sql/command-should-contain " -D \"R01\" " "
+#+begin_src sql :engine sqsh :database R01
+  select * from dummy;
+#+end_src"))
+
+
+;;; vertica
+(ert-deftest ob-sql/engine-vertica-uses-vsql ()
+  (ob-sql/command-should-contain "^vsql " "
+#+begin_src sql :engine vertica
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-vertica-can-pass-additional-cmdline-params ()
+  (ob-sql/command-should-contain " cmdlineparams$" "
+#+begin_src sql :engine vertica :dbpassword dummy :cmdline cmdlineparams
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-vertica-passes-user-if-provided ()
+  (ob-sql/command-should-contain " -U dummy " "
+#+begin_src sql :engine vertica :dbuser dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-vertica-passes-password-if-provided ()
+  (ob-sql/command-should-contain " -w dummy " "
+#+begin_src sql :engine vertica :dbpassword dummy
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-vertica-passes-host-if-provided ()
+  (ob-sql/command-should-contain " -h localhost " "
+#+begin_src sql :engine vertica :dbhost localhost
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-vertica-passes-database-if-provided ()
+  (ob-sql/command-should-contain " -d R01 " "
+#+begin_src sql :engine vertica :database R01
+  select * from dummy;
+#+end_src"))
+
+(ert-deftest ob-sql/engine-vertica-passes-port-if-provided ()
+  (ob-sql/command-should-contain " -p 12345 " "
+#+begin_src sql :engine vertica :dbport 12345
+  select * from dummy;
+#+end_src"))
+
+;;; test-ob-sqlite.el ends here
-- 
2.30.1


  reply	other threads:[~2021-03-16 15:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-04  7:55 Robin Campbell Joy
2021-03-10  7:50 ` Robin Campbell Joy
2021-03-16  4:43   ` Kyle Meyer
2021-03-16 15:34     ` Robin Campbell Joy [this message]
2021-03-17  4:07       ` Kyle Meyer
2021-03-16 19:27 ` Daniele Nicolodi
  -- strict thread matches above, loose matches on Subject: below --
2021-02-04  7:15 Robin Campbell Joy
2021-02-03 20:56 Robin Campbell Joy

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