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* bug#24483: 25.1; sql-mode error due to nil prompt-cont-regexp
@ 2016-09-20 17:48 Michael Kleehammer
  2017-02-24 19:53 ` Pablo Mercader Alcántara
  0 siblings, 1 reply; 8+ messages in thread
From: Michael Kleehammer @ 2016-09-20 17:48 UTC (permalink / raw)
  To: 24483

It looks like sql-interactive-remove-continuation-prompt needs to explicitly check for a nil sql-prompt-cont-regexp, which is the default value for some SQL products.

In particular, this line marked with an arrow on the left needs a guard:

    (when (and comint-prompt-regexp
               (or (> (length (or sql-preoutput-hold "")) 0)
                   (> (or sql-output-newline-count 0) 0)
                   (not (or (string-match sql-prompt-regexp oline)
    -->                     (string-match sql-prompt-cont-regexp oline)))))

In my case I am using a custom "SQL product" for a SQL Server command
line utility which prints "Connected to xyzzy\n" on startup but there
are some standard "products" that also don't have a prompt-cont-regexp
set.

It should be easy to reproduce using "ansi", but here is how I
reproduced it with PostgreSQL:

1) Set the PostgreSQL regexp to nil:

    (sql-set-product-feature 'postgres :prompt-cont-regexp nil)

2) Make sure psql prints something on connect.  I have this in my
   ~/.psqlrc:

    \pset null ¤

When you open a connection using sql-postgres you'll get:

    error in process filter: sql-interactive-remove-continuation-prompt: Wrong type argument: stringp, nil
    error in process filter: Wrong type argument: stringp, nil

This is new in 25.1.  I used 24.5 and did not have this issue. 

Thanks,
Michael Kleehammer
michael@kleehammer.com


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^ permalink raw reply	[flat|nested] 8+ messages in thread
[parent not found: <mailman.2708.1474393810.22741.bug-gnu-emacs@gnu.org>]

end of thread, other threads:[~2018-01-18 21:52 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-09-20 17:48 bug#24483: 25.1; sql-mode error due to nil prompt-cont-regexp Michael Kleehammer
2017-02-24 19:53 ` Pablo Mercader Alcántara
2017-05-29 16:52   ` Nikolay Kudryavtsev
2017-05-29 21:10     ` Pablo Mercader Alcántara
2017-05-29 21:50       ` Nikolay Kudryavtsev
2017-06-05 15:31         ` Pablo Mercader Alcántara
     [not found]         ` <CAPQ4eM+sS59iSFCy+udWntvWpGEBHCvjg=dEMb+e4zbw1zkVeQ@mail.gmail.com>
2017-06-05 22:25           ` Nikolay Kudryavtsev
     [not found] <mailman.2708.1474393810.22741.bug-gnu-emacs@gnu.org>
2018-01-18 21:52 ` Nesa K

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