Hi, Sajid:
Can you try -param_file <file> and the content of the file looks like
(basically multiple lines of parameters)
foo = ....
bazz = .....
so in your Pig script, it substitution value of foo and bazz in
set my_param = 'SUM(foo) as bar, \
SUM (bazz) as boo';
is this what you expect?
Johnny
On Tue, Jun 25, 2013 at 1:02 PM, Sajid Raza <[email protected]> wrote:
> Based on the spec, the parameter file only works with one line values.
>
> On Jun 25, 2013, at 11:49 AM, Johnny Zhang <[email protected]> wrote:
>
> > http://wiki.apache.org/pig/ParameterSubstitution
> >
> >
> > On Tue, Jun 25, 2013 at 10:03 AM, Shahab Yunus <[email protected]
> >wrote:
> >
> >> Have you tried using params file? I have not used it personalty but it
> >> might work that way.
> >>
> >> Regards,
> >> Shahab
> >>
> >>
> >> On Tue, Jun 25, 2013 at 12:44 PM, Sajid Raza <[email protected]>
> wrote:
> >>
> >>> I don't suppose it's possible to specify a parameter with a multi line
> >>> value.
> >>>
> >>> My use case is that I have a macro that groups over an alias, and I
> would
> >>> like to not hard-code what aggregate values I compute.
> >>>
> >>> If I could pass in a multi line parameter value, I would be able to do
> >>> something like:
> >>>
> >>> set my_param = 'SUM(foo) as bar, \
> >>> SUM (bazz) as boo';
> >>>
> >>> my_alias = compute_aggreate(some_alias, my_param);
> >>
>
