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From: "David G. Johnston" <david.g.johnston@gmail.com>
Date: Thu, 13 Jun 2024 13:14:56 -0700
Message-ID: <CAKFQuwb-msDns_5FNvpakoW1GNksejZPApMw05eNQtuwnQiMYw@mail.gmail.com>
Subject: Re: Reset sequence to current maximum value of rows
To: Rich Shepard <rshepard@appl-ecosys.com>
Cc: pgsql-general@lists.postgresql.org
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On Thu, Jun 13, 2024 at 12:57=E2=80=AFPM Rich Shepard <rshepard@appl-ecosys=
.com>
wrote:

> INSERT into companies (company_nbr,company_name,industry,status) VALUES
> (DEFAULT,'A new company name', 'Manufacturing',DEFAULT);
>
> Yesterday, before learning to use DEFAULT for the company_nbr PK I entere=
d
> all rows using company_nbr 2342-2391. This morning, after running the
> single-line INSERT command company numbers from 2341-2392 all had 'A new
> company name' as the company_name.
>
>
There is no way, in the absence of a user trigger, that the above insert
command changed pre-existing rows.  And if you cannot reproduce the
behavior you claim to have seen I will continue to just assume you have
faulty memory.

David J.

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<div dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"fon=
t-family:arial,helvetica,sans-serif"><span style=3D"font-family:Arial,Helve=
tica,sans-serif">On Thu, Jun 13, 2024 at 12:57=E2=80=AFPM Rich Shepard &lt;=
<a href=3D"mailto:rshepard@appl-ecosys.com">rshepard@appl-ecosys.com</a>&gt=
; wrote:</span><br></div></div><div class=3D"gmail_quote"><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">INSERT into companies (company_nbr,company=
_name,industry,status) VALUES<br>
(DEFAULT,&#39;A new company name&#39;, &#39;Manufacturing&#39;,DEFAULT);<br=
><br>
Yesterday, before learning to use DEFAULT for the company_nbr PK I entered<=
br>
all rows using company_nbr 2342-2391. This morning, after running the<br>
single-line INSERT command company numbers from 2341-2392 all had &#39;A ne=
w<br>
company name&#39; as the company_name.<br><br></blockquote><div><br></div><=
div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif=
">There is no way, in the absence of a user trigger, that the above insert =
command changed pre-existing rows.=C2=A0 And if you cannot reproduce the be=
havior you claim to have seen I will continue to just assume you have fault=
y memory.</div><div class=3D"gmail_default" style=3D"font-family:arial,helv=
etica,sans-serif"><br></div><div class=3D"gmail_default" style=3D"font-fami=
ly:arial,helvetica,sans-serif">David J.</div><div class=3D"gmail_default" s=
tyle=3D"font-family:arial,helvetica,sans-serif"><br></div></div></div>

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