Details
Major Description
MergeJoin/MergeSparseJoin e2e tests fail with the following error:
org.apache.pig.backend.executionengine.ExecException: ERROR 2997: Unable to recreate exception from backed error: org.apache.pig.backend.executionengine.ExecException: ERROR 1102: Data is not sorted on left side. Last two keys encountered were:
zach zipper
rachel allen
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POMergeJoin.getNext(POMergeJoin.java:400)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.runPipeline(PigGenericMapBase.java:283)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:278)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:64)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:647)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323)
at org.apache.hadoop.mapred.Child$4.run(Child.java:266)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.secur
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getErrorMessages(Launcher.java:217)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getStats(Launcher.java:149)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:400)
at org.apache.pig.PigServer.launchPlan(PigServer.java:1264)
at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1249)
at org.apache.pig.PigServer.execute(PigServer.java:1239)
at org.apache.pig.PigServer.executeBatch(PigServer.java:333)
at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:136)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:197)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:169)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
at org.apache.pig.Main.run(Main.java:604)
at org.apache.pig.Main.main(Main.java:154)
Order e2e tests also fail because the results do not match with expected outputs.
It seems that ORDER BY is broken and causing these failures.
