Did you try to use EXPLAIN operator? http://pig.apache.org/docs/r0.12.0/test.html#explain.
2013/10/9 Krishnan Narayanan <[email protected]> > Hi All, > > Can someone explain map-reduce process flow for the below script? > > b = FOREACH a{ P_EVAR = REPLACE(PEVAR35,'-',''); > P_LEN = LENGTH(P_EVAR); > P_EVAR_10 = (LENGTH(P_EVAR) == 11 ? > CONCAT(SUBSTRING(P_EVAR,8,11),SUBSTRING(P_EVAR,4,8)) : (LENGTH(P_EVAR) == > 12 ?CONCAT(SUBSTRING(P_EVAR,8,12),SUBSTRING(P_EVAR,4,8)) : (LENGTH(P_EVAR) > == 13 ? CONCAT(SUBSTRING(P_EVAR,9,13),SUBSTRING(P_EVAR,4,9)) : P_EVAR ))); > GENERATE P_EVAR,P_LEN,P_EVAR_10; > }; > > Thanks > Krishnan >
