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From: hubert depesz lubaczewski <depesz@depesz.com>
To: Ibrahim Shaame <ishaame@gmail.com>
Cc: pgsql-novice@lists.postgresql.org <pgsql-novice@lists.postgresql.org>
Subject: Re: Adding column in a recursive query
Date: Mon, 30 Mar 2026 14:16:15 +0200
Message-ID: <acppj9U8zquc2O7z@depesz.com> (raw)
In-Reply-To: <CAJOWwD5_saumY5Xv1QAQ=VxwMQrz-tF6G-Fwek-ew52-=_uOXg@mail.gmail.com>
References: <CAJOWwD5_saumY5Xv1QAQ=VxwMQrz-tF6G-Fwek-ew52-=_uOXg@mail.gmail.com>

On Mon, Mar 30, 2026 at 01:20:14PM +0300, Ibrahim Shaame wrote:
> I have a working recursive query. I want to add another column, but it
> gives me an error:
> ERROR:  operator does not exist: integer = text
> LINE 21:           WHERE e.nasaba_1 = x_1.namba
>                                     ^
> HINT:  No operator matches the given name and argument types. You might
> need to add explicit type casts.
> Any suggestion of where I am doing it wrong?

You can't compare text and integer.

Does 'abc' equal 0 ?
What about '01' and 1 ?

Cast one side to the type of the other. Or, better yet, normalize
datatypes in tables, so that you don't have to compare across types.

Best regards,

depesz

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  To: pgsql-novice@postgresql.org
  Cc: depesz@depesz.com, ishaame@gmail.com, pgsql-novice@lists.postgresql.org
  Subject: Re: Adding column in a recursive query
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