[ https://issues.apache.org/jira/browse/PIG-910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai updated PIG-910: --------------------------- Attachment: PIG-910-1.patch Can you take a look of this patch, Santhosh? Thanks > PushUpFilter: Filter after skew LOJoin generates an error > --------------------------------------------------------- > > Key: PIG-910 > URL: https://issues.apache.org/jira/browse/PIG-910 > Project: Pig > Issue Type: Bug > Components: impl > Affects Versions: 0.3.0 > Reporter: Daniel Dai > Fix For: 0.4.0 > > Attachments: PIG-910-1.patch > > > The script is: > A = load 'a' as (user:chararray, action, timespent, query_term, ip_addr, > timestamp, estimated_revenue, page_info, page_links); > alpha = load 'b' as (user:chararray, action, timespent, query_term, ip_addr, > timestamp, estimated_revenue, page_info, page_links); > C = join A by user, alpha by user using "skewed" parallel 40; > D = filter C by A::user == 'aaa'; > store D into 'L5out'; > Stack trace is: > ERROR 1093: Swap supports swap of operators with at most one input. Found > first operator with 2 inputs. > org.apache.pig.impl.plan.optimizer.OptimizerException: ERROR 2151: > Internal error while pushing filters up. > at > org.apache.pig.impl.logicalLayer.optimizer.PushUpFilter.transform(PushUpFilter.java: > 325) > at > org.apache.pig.impl.logicalLayer.optimizer.LogicalOptimizer.optimize(LogicalOptimizer.java:185) > at org.apache.pig.PigServer.compileLp(PigServer.java:854) > at org.apache.pig.PigServer.compileLp(PigServer.java:791) > at org.apache.pig.PigServer.execute(PigServer.java:760) > at org.apache.pig.PigServer.access$100(PigServer.java:95) > at org.apache.pig.PigServer$Graph.execute(PigServer.java:943) > at org.apache.pig.PigServer.executeBatch(PigServer.java:255) > at > org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java: 112) > at > org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java: 169) > at > org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java: 141) > at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:89) > at org.apache.pig.Main.main(Main.java:320) > Caused by: org.apache.pig.impl.plan.PlanException: ERROR 1093: Swap supports > swap of operators with at most one input. Found first operator with 2 inputs. > at org.apache.pig.impl.plan.OperatorPlan.swap(OperatorPlan.java:964) > at > org.apache.pig.impl.logicalLayer.optimizer.PushUpFilter.transform(PushUpFilter.java: > 310) > ... 12 more -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.