From: Tom Lane <tgl@sss.pgh.pa.us>
To: yon@dugem.com
Cc: pgsql-sql@postgresql.org
Subject: Re: SELECT ... WHERE ... NOT IN (SELECT ...);
Date: Fri, 23 Aug 2002 01:28:43 -0400
Message-ID: <17318.1030080523@sss.pgh.pa.us> (raw)
In-Reply-To: <20020823033952.64A443955@sitemail.everyone.net>
References: <20020823033952.64A443955@sitemail.everyone.net>
Yon Den Baguse Ngarso <yon@dugem.com> writes:
> I'm confused, the result should not 0 rows, right?
Not what I get:
regression=# create table tbl1(eventid int);
CREATE TABLE
-- load data
regression=# SELECT eventid FROM tbl1;
eventid
---------
119064
119064
60116
16082
16082
16303
16082
92628
92628
60083
(10 rows)
regression=# create table tbl2(eventid int);
CREATE TABLE
-- load data
regression=# SELECT eventid FROM tbl2;
eventid
---------
123989
123989
123989
16134
16134
16368
16134
92685
92685
60115
(10 rows)
regression=# SELECT eventid FROM tbl1 WHERE eventid NOT IN (SELECT eventid FROM tbl2);
eventid
---------
119064
119064
60116
16082
16082
16303
16082
92628
92628
60083
(10 rows)
I think there must be something you didn't tell us...
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, yon@dugem.com
Subject: Re: SELECT ... WHERE ... NOT IN (SELECT ...);
In-Reply-To: <17318.1030080523@sss.pgh.pa.us>
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