Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Plain View
Pig, mail # user - PhysicalPlan leaves


+
Sarah Mohamed 2012-12-17, 01:53
+
Jonathan Coveney 2012-12-18, 02:24
+
Sarah Mohamed 2012-12-19, 19:36
+
Jonathan Coveney 2012-12-19, 21:29
Copy link to this message
-
Re: PhysicalPlan leaves
Sarah Mohamed 2012-12-21, 18:28
Thanks Jonathan.
The physical plan can have more than one leaf when the query contains more
than one "store" ; each "store" is considered a leave .

--
Regards,
Sarah M. Hassan
On Wed, Dec 19, 2012 at 11:29 PM, Jonathan Coveney <[EMAIL PROTECTED]>wrote:

> If you really want to be sure, what I would do is put a debug statement in
> PigServer.launchPlan and just look at the PhysicalPlan object for a
> semi-complicated script. There definitely will be forking paths, but I do
> not know the specifics well enough to say where.
>
>
> 2012/12/19 Sarah Mohamed <[EMAIL PROTECTED]>
>
> > Peace be on you, Jonathan,
> > It gives one leaf also
> >
> > --
> > Regards,
> > Sarah M. Hassan
> >
> >
> >
> > On Tue, Dec 18, 2012 at 4:24 AM, Jonathan Coveney <[EMAIL PROTECTED]
> > >wrote:
> >
> > > Try it with joins, I think
> > >
> > >
> > > 2012/12/16 Sarah Mohamed <[EMAIL PROTECTED]>
> > >
> > > > PhysicalPlan.getLeaves() return a list of leaves, Most of the cases
> > it's
> > > > only one"the root", is there any cases that the physical plan will
> have
> > > > more than one leaf ?
> > > >
> > > > Thanks
> > > > Sarah
> > > >
> > >
> >
>