On 31.01.23 22:04, Tim Cross wrote:
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
>>> Date: Tue, 31 Jan 2023 12:10:35 +0100
>>> From: Gregor Kling <gregor.kling@its.thm.de>

>>> Using the recommended (org-roam-database-connector 'sqlite-builtin), I
>>> get the following error:
>>>
>>> Debugger entered--Lisp error: (invalid-slot-type
>>> emacsql-sqlite-builtin-connection process process #<sqlite
>>> db=0x561fe8f964b8 name=orgroam.db>)
>>>     signal(invalid-slot-type (emacsql-sqlite-builtin-connection process
>>> process

>> I suggest to post this first to the Org forum.
> 
> 
> Note that org-roam is not part of org. You probably need an org-roam
> specific forum as org-roam development is not (typically) discussed o
> org-devel.

The use of org-roam reveals only the symptom.

I took it out from the equation and tried the following:

(emacsql-sqlite (file-truename "~/a.db"))

which *Messages* me a "Selecting deleted buffer"

whereas using (emacsql-sqlite-builtin (file-truename "~/a.db"))

it spits out:

eieio--validate-slot-value: Invalid slot type: 
emacsql-sqlite-builtin-connection...


-- 
Gregor Kling

Abteilung ITS, Sachgebiet ITS-N
Anwendungsentwicklung (IPAM, Tooling, Automation)
DNS, DHCP
Technische Hochschule Mittelhessen
University of Applied Sciences
Tel: 0641/309-1292
E-Mail: gregor.kling@its.thm.de