Re: Adding column in a recursive query
hubert depesz lubaczewski <depesz@depesz.com>
From: hubert depesz lubaczewski <depesz@depesz.com>
To: Ibrahim Shaame <ishaame@gmail.com>
Cc: "pgsql-novice@lists.postgresql.org" <pgsql-novice@lists.postgresql.org>
Date: 2026-03-30T12:16:15Z
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