Re: switching to different parser in Pig

2009-02-24 Thread pi song
development on it? Currently I have more spare time and should be able to help out. (BTW, I'm slow because this is just my hobby. I don't want to drag you guys) Pi Song On Tue, Feb 24, 2009 at 6:23 AM, nitesh bhatia wrote: > Hi > I got this inf

Re: switching to different parser in Pig

2009-02-20 Thread pi song
as you suggest. Are the concepts at the > logical plan layer similar to those expressed in pig latin? Or has a > significant transformation occurred by then? > > > On Fri, Feb 20, 2009 at 1:59 AM, pi song wrote: > >> Sounds good but how about exposing the logical plan laye

Re: switching to different parser in Pig

2009-02-20 Thread pi song
Sounds good but how about exposing the logical plan layer instead? Wouldn't that yield the same effect? From python for example you still can construct a logical plan and give to Pig to execute. On Wed, Feb 18, 2009 at 10:07 AM, Ted Dunning wrote: > 2009/2/17 Alan Gates > > > [not commenting on

Re: switching to different parser in Pig

2009-02-14 Thread pi song
Due to my limited knowledge, I don't quite understand why building ast from outside Pig would be helpful. Isn't Pig Latin already good enough to interface to the world? In terms of parser generator, has anyone considered ANTLR? I had spent a few weeks on it a while ago. It is quite well-documented

Re: What is a relation?

2008-12-05 Thread pi song
Here is an example that I have given a while ago in JIRA Pig-158 :- A = LOAD 'fil1' ; B = A.($0,$1) ; STORE B ; which is similar to your top-level projection example. I believe there is no distinction between so-called relations and bags in our context. "A top level relation is assumably spread