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From: Ibrahim Shaame <[email protected]>
To: [email protected]
Cc: [email protected] <[email protected]>
Subject: Re: Adding column in a recursive query
Date: Mon, 30 Mar 2026 17:22:53 +0300
Message-ID: <CAJOWwD5XcMzwMrkaL-vD8d553y0BzQBppObZhau6zYxA4hj5nw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAJOWwD5_saumY5Xv1QAQ=VxwMQrz-tF6G-Fwek-ew52-=_uOXg@mail.gmail.com>
	<[email protected]>

Hello Hubert.
Thanks for the reply. Both are integers and they work well without the two
lines. So what changed one of them to text. Can you see where? I have not
been able to identify.
Regards
Ibrahim

On Mon, Mar 30, 2026 at 3:16 PM hubert depesz lubaczewski <[email protected]>
wrote:

> 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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