-Re: left outer join on same table
Igor Tatarinov 2011-06-11, 04:30
The condition T2.field6='yyyyyyy;' is tested after the outer join. As a
result you won't see any non-matching results.
You'll need a subquery to enforce that condition. Alternatively, adding ' OR
T2.field6 IS NULL' might work for you too. Just make sure to use parens
around the OR clause. But that's probably not what you want - then, use a
On Fri, Jun 10, 2011 at 6:55 PM, sagar naik <[EMAIL PROTECTED]> wrote:
> Hi ,
> I am trying to do join on same table.
> I wanted to do a left outer join
> However, the results are not like left outer join( with no null values)
> select T1.field1, T1.field2, T1.field3
> from table T1
> left outer join table T2 on (T1.key=T2.key and
> T1.partition='p1' and T2.partition='p2')
> T1.field5='xxxxx' and T2.field6='yyyyyyy;'
> I tried left/full all join result are like inner join.
> What am I missing here ?
> is it some mistake on my part or some optimization /flag to be turned off
> Thanks for the help