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From: "David G. Johnston" <david.g.johnston@gmail.com>
Date: Thu, 6 Jul 2023 08:51:09 -0700
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 <CAKFQuwaS8FX+r3uBpjmS_6EcnOHKbi33thrOBQW_Zd9RLA6nOw@mail.gmail.com>
Subject: Re: How to select the last value/row?
To: Shaozhong SHI <shishaozhong@gmail.com>
Cc: pgsql-sql <pgsql-sql@lists.postgresql.org>
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On Thu, Jul 6, 2023 at 8:47=E2=80=AFAM Shaozhong SHI <shishaozhong@gmail.co=
m> wrote:

> Given,
> ID
> 5
> 4
> 3
> 3
> 2
> 1
>
>
> How to select the last one, to end up with
>
> 1
>
> In Python, there are ways to handle ordered list.
>
> In Postgres, is there something similar?
>

ORDER BY ASC so the "last item" appears first, then "LIMIT 1"

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, Jul 6, 2023 at 8:47=E2=80=AFAM Shaozhong SHI &lt;<=
a href=3D"mailto:shishaozhong@gmail.com">shishaozhong@gmail.com</a>&gt; wro=
te:</span><br></div></div><div class=3D"gmail_quote"><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex"><div dir=3D"ltr">Given,<div>ID</div><div>5</div=
><div>4</div><div>3</div><div>3</div><div>2</div><div>1</div><div><br></div=
><div><br></div><div>How to select the last one, to end up with</div><div><=
br></div><div>1</div><div><br></div><div>In Python, there are ways to handl=
e ordered list.</div><div><br></div><div>In Postgres, is there something si=
milar?</div><div><div class=3D"gmail_default" style=3D"font-family:arial,he=
lvetica,sans-serif"> </div></div></div></blockquote><div><br></div><div cla=
ss=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif">ORDER=
 BY ASC so the &quot;last item&quot; appears first, then &quot;LIMIT 1&quot=
;</div><div class=3D"gmail_default" style=3D"font-family:arial,helvetica,sa=
ns-serif"><br></div><div class=3D"gmail_default" style=3D"font-family:arial=
,helvetica,sans-serif">David J.</div><div class=3D"gmail_default" style=3D"=
font-family:arial,helvetica,sans-serif"><br></div></div></div>

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