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bug#22596: Acknowledgement (25.1.50; Broken prompt-regexp for sql-postgr


From: Lars Ingebrigtsen
Subject: bug#22596: Acknowledgement (25.1.50; Broken prompt-regexp for sql-postgres)
Date: Tue, 23 Feb 2016 15:02:09 +1100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Steve Purcell <address@hidden> writes:

> Fixes issue 22596, whereby "_" is now not considered a word constituent
> character in sql-interactive-mode, so prompts like "foo_dev# " are not
> correctly detected. Rather than piggy-back on the symbol table, we
> explicitly match against alphanumeric chars or "_".
>
> In the general case, almost any characters are valid in a PostgreSQL
> database name, so we must choose between matching .reasonable. database
> names with a tight regexp, or matching all allowable names with a
> permissive regexp which would likely match all sorts of other buffer
> text. This commit follows the former approach.

[...]

> -     :prompt-regexp "^\\w*=[#>] "
> +     :prompt-regexp "^[[:alnum:]_]*=[#>] "
>       :prompt-length 5
> -     :prompt-cont-regexp "^\\w*[-(][#>] "
> +     :prompt-cont-regexp "^[[:alnum:]_]*[-(][#>] "

This looks reasonable to me, but I'm not an SQL mode user, so I can't
really test it.  Does anybody have an objection to this change?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





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