GNU bug report logs - #30494
25.2; (setting-constant nil) error in sql.el

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From: pierre.techoueyres <at> free.fr (Pierre Téchoueyres)
To: Noam Postavsky <npostavs <at> gmail.com>
Cc: sciamano <at> yandex.ru, 30494 <at> debbugs.gnu.org
Subject: bug#30494: 25.2; (setting-constant nil) error in sql.el
Date: Sat, 01 Dec 2018 01:30:29 +0100

[Message part 1 (text/plain, inline)]

Noam Postavsky <npostavs <at> gmail.com> writes:

> tags 30494 + confirmed easy
> quit
>
> sciamano <at> yandex.ru writes:
>
>> In 'emacs -Q' executing it step-by-step:
>>
>> (require 'sql)
>>
>> (sql-add-product 'xyz "XyzDB"
>>                  '(:free-software t))
>>
>> (defcustom my-sql-xyz-program "ixyz"
>>   "Command to start ixyz by XyzDB."
>>   :type 'file
>>   :group 'SQL)
>>
>> ;; NEXT STEP FAILS WITH:
>> ;; Debugger entered--Lisp error: (setting-constant nil)
>> ;;  sql-set-product-feature(xyz :sqli-program my-sql-xyz-program)
>> ;;  eval((sql-set-product-feature (quote xyz) :sqli-program (quote my-sql-xyz-program)) nil)
>> (sql-set-product-feature 'xyz
>>                          :sqli-program 'my-sql-xyz-program)
>
> Looks like it's probably just a missing nil check in
> sql-set-product-feature.
>

Does the attached patch do the trick ?

[0001-Check-that-feature-exist-in-sql-set-product-feature-.patch (text/x-patch, attachment)]

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