From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Giovani Garcia <giovani(dot)garcia(at)protonmail(dot)com> |
Cc: | "pgsql-interfaces(at)lists(dot)postgresql(dot)org" <pgsql-interfaces(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Doubt regarding query parameter metadata |
Date: | 2021-04-01 18:07:00 |
Message-ID: | 3457548.1617300420@sss.pgh.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-interfaces |
Giovani Garcia <giovani(dot)garcia(at)protonmail(dot)com> writes:
>> Is that theexact query you're issuing?
> Yes, that's the exact query.
Oh ... after actually trying the program you sent, I realized you are
looking at the wrong thing, or at least asking about something other
than what I thought you were asking about. You are querying
PQparamtype(), that is, the type of the symbol $1, not the type of
the returned column "key" which is what I thought you meant. As I
explained before, varchar has no operators, particularly not equality;
so "value = $1" is interpreted using the text = text operator, making
it effectively "value::text = $1::text". Thus $1 is resolved as type
text.
regards, tom lane
From | Date | Subject | |
---|---|---|---|
Next Message | Greg Sabino Mullane | 2021-05-21 21:36:35 | DBD::Pg version 3.15.0 released |
Previous Message | Giovani Garcia | 2021-04-01 15:30:05 | Re: Doubt regarding query parameter metadata |