grunt> describe policies_by_type;
policies_by_type: {group: chararray,policies: {columns::udm_field:
chararray,columns::udm_value: chararray}}
grunt> dump policies_by_type;
(POLICY-29,{(policy,POLICY-29)})
(POLICY-71,{(policy,POLICY-71),(policy,POLICY-71),(policy,POLICY-71)})
grunt> policy_counts = FOREACH policies_by_type GENERATE
COUNT(policies);
grunt> describe policy_counts;
policy_counts: {long}
All looks good but when I
grunt> dump policy_counts;
I get:
2011-07-06 04:15:03,539 [main] ERROR
org.apache.pig.tools.pigstats.PigStats - ERROR 2997: Unable to
recreate exception from backed error: Error initializing
attempt_201107010359_0160_m_000000_3:
2011-07-06 04:15:03,539 [main] ERROR
org.apache.pig.tools.pigstats.PigStatsUtil - 1 map reduce job(s)
failed!
2011-07-06 04:15:03,540 [main] INFO
org.apache.pig.tools.pigstats.PigStats - Script Statistics:
Input(s):
Successfully read 5 records from: "cassandra://SPC/UDM"
Output(s):
Failed to produce result in "cfs://null/tmp/temp-1373091145/tmp-1591506274"
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable
to open iterator for alias policy_counts. Backend error : Unable to
recreate exception from backed error
