| From: | hubert depesz lubaczewski <depesz(at)depesz(dot)com> |
|---|---|
| To: | Ibrahim Shaame <ishaame(at)gmail(dot)com> |
| Cc: | "pgsql-novice(at)lists(dot)postgresql(dot)org" <pgsql-novice(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Adding column in a recursive query |
| Date: | 2026-03-30 12:16:15 |
| Message-ID: | acppj9U8zquc2O7z@depesz.com |
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| Lists: | pgsql-novice |
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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