Dmitriy,
I tried it. However, I don't seem to be getting a handle on it. Some pseudo
code will be highly appreciated.
Thanks,
Rakesh
> Date: Sun, 18 Mar 2012 14:27:25 -0700
> Subject: Re: Selective removal of data from a relation
> From: dvrya...@gmail.com
> To: user@pig.apache.org
>
> Rakesh,
Rakesh,
Just like in SQL, this is achieved by doing an outer join and
filtering for nulls (a null join key indicates absence of a matching
row).
D
2012/3/18 rakesh sharma :
>
> Thanks to Dan for suggesting to post it on gist. Here is the link to the post:
> https://raw.github.com/gist/2079527/bf6
Thanks to Dan for suggesting to post it on gist. Here is the link to the post:
https://raw.github.com/gist/2079527/bf68dd2f0a7ee3864ef066f126c34880b20b6b04/SelectiveDataRemoval‏
Please take a look and I am sure many of you have solution to this problem.
Thanks,Rakesh
> Date: Sun, 18 Mar 2012 12:3
Post it on https://gist.github.com/ and email out the gist.
Regards,
Dan
On Mar 18, 2012 12:33 PM, "rakesh sharma"
wrote:
>
> All indentations get removed when message comes back from
> user@pig.apache.org. Any idea how I can make it work.
>
> > From: rakesh_sharm...@hotmail.com
> > To: user@pi
All indentations get removed when message comes back from user@pig.apache.org.
Any idea how I can make it work.
> From: rakesh_sharm...@hotmail.com
> To: user@pig.apache.org
> Subject: RE: Selective removal of data from a relation
> Date: Sun, 18 Mar 2012 18:26:01 +
>
>
> I am sorry for so
I am sorry for so many re-sends. Resending in Rich text format...
Hi All,
I have two relations "mix" and "child_parent". Relation "mix" contains rows of
ids. Each Id can be a parent or a child. Another relation "child-parent" has
rows of children and associated parents. It may not have data for
Reformatting for clarity
Hi All,
I have two relations "mix" and "child_parent". Relation "mix" contains rows of
ids. Each Id can be a parent or a child. Another relation "child-parent" has
rows of children and associated parents. It may not have data for every child
existing in relation "m
Hi All,
I have two relations "mix" and "child_parent". Relation "mix" contains rows of
ids. Each Id can be a parent or a child. Another relation "child-parent" has
rows of children and associated parents. It may not have data for every child
existing in relation "mix". Also, it can have some da