That's way i'm confuse.
I'm using postgresql-7.1.3
I did the same action like you do.
Am i missing something?
TIA,
Yon
--- Tom Lane <tgl@sss.pgh.pa.us> wrote:
>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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