From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: pvham90@gmail.com
Subject: BUG #18001: Invalid subquery passed as true
Date: Mon, 26 Jun 2023 10:07:11 +0000
Message-ID: <18001-6c2b79083f5a35f3@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 18001
Logged by: Piet van Ham
Email address: pvham90@gmail.com
PostgreSQL version: 11.20
Operating system: Linux
Description:
create table table_a (column_a varchar(16), column_b varchar(16));
create table table_b (column_c varchar(16), column_d varchar(16));
insert into table_a (column_a, column_b) values ('row1a','row1b');
insert into table_b (column_c, column_d) values ('row2a','row2b');
delete from table_a where column_a in (select column_a from table_b); --the
subquery is invalid, but the where clause is passed as true resulting in all
records deleted
select count(*) from table_a;
-- 0
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To: pgsql-bugs@postgresql.org
Cc: noreply@postgresql.org, pgsql-bugs@lists.postgresql.org, pvham90@gmail.com
Subject: Re: BUG #18001: Invalid subquery passed as true
In-Reply-To: <18001-6c2b79083f5a35f3@postgresql.org>
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