Here's a trick I used:
Together with $x, pass in another parameter $comment that's either ''
(blank) when x>0 or '--' (double dashes) when x==0. Then
result = SOME OPERATION
$comment result = LIMIT result $x
On Sun, Mar 27, 2011 at 12:36 PM, souri datta <[EMAIL PROTECTED]>wrote:
> Hi all,
> I have a problem where I need to limit the number of results generated by
> pig script based on some condition.
> if ( $x == 0 )
> then do not limit #results
> limited_result = LIMIT results $x ;
> (here x comes from cmd line)
> How can I achieve this with a single Pig script ?
> Thanks in advance,