Column Pruner throw exception "inconsistent pruning" ----------------------------------------------------
Key: PIG-1493 URL: https://issues.apache.org/jira/browse/PIG-1493 Project: Pig Issue Type: Bug Components: impl Affects Versions: 0.7.0 Reporter: Daniel Dai Assignee: Daniel Dai Fix For: 0.8.0, 0.7.0 The following script fail: {code} a = load '1.txt' as (a0:chararray, a1:chararray, a2); b = foreach a generate CONCAT(a0,a1) as b0, a0, a2; c = foreach b generate a0, a2; dump c; {code} Error message: ERROR 2185: Column $0 of (Name: b: ForEach 1-50 Operator Key: 1-50) inconsistent pruning org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias c at org.apache.pig.PigServer.openIterator(PigServer.java:698) at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:595) at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:291) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:162) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:138) at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:90) at org.apache.pig.Main.run(Main.java:451) at org.apache.pig.Main.main(Main.java:103) Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002: Unable to store alias c at org.apache.pig.PigServer.storeEx(PigServer.java:804) at org.apache.pig.PigServer.store(PigServer.java:760) at org.apache.pig.PigServer.openIterator(PigServer.java:680) ... 7 more Caused by: org.apache.pig.impl.plan.optimizer.OptimizerException: ERROR 2212: Unable to prune plan at org.apache.pig.impl.logicalLayer.optimizer.PruneColumns.prune(PruneColumns.java:826) at org.apache.pig.impl.logicalLayer.optimizer.LogicalOptimizer.optimize(LogicalOptimizer.java:240) at org.apache.pig.PigServer.compileLp(PigServer.java:1180) at org.apache.pig.PigServer.storeEx(PigServer.java:799) ... 9 more Caused by: org.apache.pig.impl.plan.VisitorException: ERROR 2188: Cannot prune columns for (Name: b: ForEach 1-50 Operator Key: 1-50) at org.apache.pig.impl.logicalLayer.ColumnPruner.prune(ColumnPruner.java:177) at org.apache.pig.impl.logicalLayer.ColumnPruner.visit(ColumnPruner.java:202) at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:132) at org.apache.pig.impl.logicalLayer.LOForEach.visit(LOForEach.java:47) at org.apache.pig.impl.plan.DependencyOrderWalker.walk(DependencyOrderWalker.java:69) at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51) at org.apache.pig.impl.logicalLayer.optimizer.PruneColumns.prune(PruneColumns.java:821) ... 12 more Caused by: org.apache.pig.impl.plan.optimizer.OptimizerException: ERROR 2185: Column $0 of (Name: b: ForEach 1-50 Operator Key: 1-50) inconsistent pruning at org.apache.pig.impl.logicalLayer.ColumnPruner.prune(ColumnPruner.java:148) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.