on left outer join?
Peter
--
Date: Sun, 5 May 2013 21:44:37 -0700
Subject: Re: Hive QL - NOT IN, NOT EXIST
From: java...@gmail.com
To: user@hive.apache.org
@Peter Does the query plan demonstrate that the 3Meg row table is being
map-joined and the 400M table
Thanks Stephen,
Will start a cluster today to see if it helps.
Peter
Date: Mon, 6 May 2013 00:05:45 -0700
Subject: Re: Hive QL - NOT IN, NOT EXIST
From: java...@gmail.com
To: user@hive.apache.org
Hi Peter, Looks like mapjoin does not work with outer join so streamtable is
instead a possible
Hi, I am trying to write a hive query to find the equivalent of NOT IN / NOT
EXIST in SQL.
However, Hive does not support this. It does have Left Semi Join which serves
as IN but NOT does not support.
I am wondering if there is any way to do this without resorting to using left
outer join and
--- On Sun, 5/5/13, Peter Chu pete@outlook.com wrote:
I am wondering if there is any way to do this without resorting to
using left outer join and finding nulls.
I have found this to be an acceptable substitute. Is it not working for you?
: michaelma...@yahoo.com
Subject: Re: Hive QL - NOT IN, NOT EXIST
To: user@hive.apache.org
--- On Sun, 5/5/13, Peter Chu pete@outlook.com wrote:
I am wondering if there is any way to do this without resorting to
using left outer join and finding nulls.
I have found
NOT IN (SELECT uuid FROM message);
Date: Sun, 5 May 2013 20:25:15 -0700
From: michaelma...@yahoo.com
Subject: Re: Hive QL - NOT IN, NOT EXIST
To: user@hive.apache.org
--- On Sun, 5/5/13, Peter Chu pete@outlook.com wrote:
I am wondering if there is any way to do this without resorting
Thanks, Stephen,
I do not quite understand what you mean by Stream, specifically Stream the
400M message records through the in-memory maps.Can you please elaborate.
Also, can you use MAPJOIN on left outer join?
Peter
Date: Sun, 5 May 2013 21:44:37 -0700
Subject: Re: Hive QL - NOT IN, NOT EXIST