Hi,
I am also doing a cost-based optimizer. So I am interested in knowing some of
the specs that you are after.
Thanks,
Richard
_
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Hi,
I am also curious. I studied this and I guess that it could be the input index.
For example, foreach A generate Here A's index is 0 in the inputs of the
operator foreach.
Let me know if I am wrong.
Thanks,
Richard
> Date: Fri, 6 Nov 2009 00:04:36 -0500
> Subject: RequiredFields cont
o for
> a given join type. Once we have join type selection working, other
> optimizations can be added -- the tricky part is making sure the
> costing functions can't produce drastically wrong results.
>
> All the work is happening at the logical layer, between the rule-based
>
Hi,
Apart from Pig Performance and Pig Mix, do you know any TPC-H benchmark
rewritten for Pig?
Thanks,
Richard
_
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Hi,
I implemented a custom loadfunc class to read data from a database. This class
implements both Slicer and LoadFunc. It also generates the slices properly. The
problem is that when I perform this query:
A = LOAD 'table_name' USING CustomStorage;
DUMP A;
The PIG gives the followin
To: pig-dev@hadoop.apache.org
>
> Hi Richard,
>
> I am not sure what's your problem, but I suggest you can debug your program
> in pig's local mode.
>
> And you can even debug it in pig's mapreduce mode locally
>
>
>
> Jeff zhang
>
>
> 2009/10/25
To: pig-dev@hadoop.apache.org
>
> Hi Richard,
>
> I am not sure what's your problem, but I suggest you can debug your program
> in pig's local mode.
>
> And you can even debug it in pig's mapreduce mode locally
>
>
>
> Jeff zhang
>
>
> 2009/10/25
gt; -Original Message-
> From: "zjffdu"
> To: pig-dev@hadoop.apache.org
> Sent: 10/27/2009 1:45 AM
> Subject: RE: Custom Loadfunc problem!
>
> Illustrate will not execute the job, while dump and store will execute it.
> So I think there must be something wro
6 Oct 2009 16:15:53 -0400
> Subject: Re: Custom Loadfunc problem!
> From: dvrya...@gmail.com
> To: pig-dev@hadoop.apache.org
>
> Do you get any of your Log messages to come out, or none at all?
>
> -D
>
> 2009/10/26 RichardGUO Fei :
> >
> > Hi,
> >
> >
dev@hadoop.apache.org
> Sent: 10/27/2009 1:45 AM
> Subject: RE: Custom Loadfunc problem!
>
> Illustrate will not execute the job, while dump and store will execute it.
> So I think there must be something wrong with your custom slicer. I suggest
> you set breakpoint in your sl
d LoadFuncs
> easier to write, but it also means that you have to specify a scheme
> if you are doing something that's not file-based. Try changing your
> code to expect the location string to start with some scheme, such as
> abcd:/ (or perhaps something more meaningful) and things
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