| From: | Geoff Winkless <pgsqladmin(at)geoff(dot)dj> |
|---|---|
| To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
| Cc: | Geoff Winkless <pgsqladmin(at)geoff(dot)dj>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Alexandre GRAIL <postgresql(dot)general(at)augure(dot)net>, "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Casting Integer to Boolean in assignment |
| Date: | 2019-01-24 15:48:45 |
| Message-ID: | CAEzk6feizMYvzRORT+ct-vycBBEhd2zbajZGVDNUxtzFdFM-bw@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Thu, 24 Jan 2019 at 15:40, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> wrote:
> delete from delete_test where
>
> and then forget the 'field =' part. Though my more common mistake along
> that line is:
>
> delete from delete_test;
>
> At any rate, if it can be done it will be done.
If you follow that logic, then having a single boolean test at all
should be invalid.
CREATE TABLE mytest (myval char (1));
INSERT INTO mytest VALUES ('a'),('b'),('c'),('s'),('t');
DELETE FROM mytest WHERE 't';
SELECT * FROM mytest;
myval
-------
(0 rows)
Geoff
| From | Date | Subject | |
|---|---|---|---|
| Next Message | bhargav kamineni | 2019-01-24 15:52:39 | Re: log_min_duration_statement |
| Previous Message | Adrian Klaver | 2019-01-24 15:40:33 | Re: Casting Integer to Boolean in assignment |