Depending on the version you are using you can use bincond operators (<0.12) or CASE WHEN (>=0.12).
http://pig.apache.org/docs/r0.12.0/basic.html#arithmetic Rodrigo. 2015-01-20 8:18 GMT-02:00 Serega Sheypak <[email protected]>: > You can apply ternary operator or SPLIT function > > 2015-01-20 11:28 GMT+03:00 patcharee <[email protected]>: > > > Hi, > > > > I know that there is no if-else in pig, but is it possible to implement > > this logic in some way "if a input parameter is null, skip this filter > > operation" ? > > > > IF ($MONTH != NULL) > > data_filter_by_month = FILTER data by month == $MONTH; > > > > BR, > > Patcharee > > >
