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Date: Sat, 23 Nov 2024 04:47:48 -0500
User-Agent: Mozilla Thunderbird
Subject: Re: Wired behaviour from SELECT
To: PostGreSQL MailingList <pgsql-general@postgresql.org>,
 "pgsql-general@lists.postgresql.org" <pgsql-general@lists.postgresql.org>
Cc: "David G. Johnston" <david.g.johnston@gmail.com>
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 <CAKFQuwahNdTb3kHWyDGnxkTqD3oH18tS597y3WKv8UdNz5-xhw@mail.gmail.com>
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From: Arbol One <ArbolOne@hotmail.ca>
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Oops!
I am putting too many hours in front of the computer, better take a break 😳

On 2024-11-22 3:12 p.m., David G. Johnston wrote:
> On Fri, Nov 22, 2024 at 1:07 PM Arbol One <arbolone@hotmail.ca> wrote:
>
>     The below sql statement produces the right output
>     SELECT nickname, password FROM password WHERE id='0938105618107N1';
>       nickname   | password
>     -------------+----------
>      Piccard@@21 |  Arbol
>     (1 row)
>     However, if this sql statement produces the wrong output
>     *SELECT nickname, password FROM password WHERE nickname='Arbol';
>      nickname | password
>     ----------+----------
>     (0 rows)*
>     What am I doing wrong?
>
> Naming a column in your table the same name as the table is 
> problematic generally.  As for the query, if they are both intended to 
> return the same row the value Arbol is in the password column, not the 
> nickname column.  You seem to have reversed the data for the two columns.
>
> David J.
>
-- 
*/ArbolOne ™/*
Using Fire Fox and Thunderbird.
ArbolOne is composed of students and volunteers dedicated to providing 
free services to charitable organizations.
ArbolOne's development on Java, PostgreSQL, HTML and Jakarta EE is in 
progress [ í ]
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    <p><font face="Helvetica, Arial, sans-serif">Oops!<br>
        I am putting too many hours in front of the computer, better
        take a break </font>😳</p>
    <div class="moz-cite-prefix">On 2024-11-22 3:12 p.m., David G.
      Johnston wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:CAKFQuwahNdTb3kHWyDGnxkTqD3oH18tS597y3WKv8UdNz5-xhw@mail.gmail.com">
      
      <div dir="ltr">
        <div dir="ltr">
          <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif">On Fri, Nov
              22, 2024 at 1:07 PM Arbol One &lt;<a href="mailto:arbolone@hotmail.ca" moz-do-not-send="true" class="moz-txt-link-freetext">arbolone@hotmail.ca</a>&gt;
              wrote:</span></div>
        </div>
        <div class="gmail_quote">
          <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
            <div class="msg-7920036085045288554">
              <div dir="ltr">
                <div style="font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)"><span style="font-size:12pt">The below sql statement
                    produces the right output</span></div>
                <div style="margin-top:1em;margin-bottom:1em;font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
                  SELECT nickname, password FROM password WHERE
                  id='0938105618107N1';<br>
                  &nbsp; nickname&nbsp;&nbsp; | password<br>
                  -------------+----------<br>
                  &nbsp;Piccard@@21 |&nbsp; Arbol<br>
                  (1 row)</div>
                <div style="margin-top:1em;margin-bottom:1em;font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
                  However, if this sql statement produces the wrong
                  output<br>
                  <b>SELECT nickname, password FROM password WHERE
                    nickname='Arbol';<br>
                    &nbsp;nickname | password<br>
                    ----------+----------<br>
                    (0 rows)</b></div>
                <div style="margin-top:1em;margin-bottom:1em;font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
                  What am I doing wrong?</div>
              </div>
            </div>
          </blockquote>
          <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Naming a
            column in your table the same name as the table is
            problematic generally.&nbsp; As for the query, if they are both
            intended to return the same row the value Arbol is in the
            password column, not the nickname column.&nbsp; You seem to have
            reversed the data for the two columns.</div>
          <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br>
          </div>
          <div class="gmail_default" style="font-family:arial,helvetica,sans-serif">David J.</div>
          <div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br>
          </div>
        </div>
      </div>
    </blockquote>
    <div class="moz-signature">-- <br>
      <b><i>ArbolOne ™</i></b>
      <br>
      Using Fire Fox and Thunderbird.
      <br>
      ArbolOne is composed of students and volunteers dedicated to
      providing free services to charitable organizations.
      <br>
      ArbolOne's development on Java, PostgreSQL, HTML and Jakarta EE is
      in progress [ í ]</div>
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