New logical plan: script fail when reuse foreach inner alias ------------------------------------------------------------
Key: PIG-1721 URL: https://issues.apache.org/jira/browse/PIG-1721 Project: Pig Issue Type: Bug Components: impl Affects Versions: 0.8.0 Reporter: Daniel Dai Assignee: Daniel Dai Fix For: 0.8.0 The following script fail: {code} a = load '1.txt' as (a0:int, a1:map[]); b = filter a by a0==1; c = FOREACH b { b0 = a1#'key1'; generate ((b0 is null or b0 == '')?1:0); } dump c; {code} In the foreach inner plan, b0 is used twice. Error message: java.lang.ClassCastException: org.apache.pig.data.BinSedesTuple cannot be cast to java.util.Map at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:100) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POMapLookUp.getNext(POMapLookUp.java:117) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POIsNull.getNext(POIsNull.java:72) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POOr.getNext(POOr.java:67) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POBinCond.getNext(POBinCond.java:172) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:355) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:291) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:236) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:231) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:53) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.