Opened. https://issues.apache.org/jira/browse/PIG-2320
2011/10/14 Thejas Nair <[email protected]> > This is not a known bug. Can you please open a jira ? > > -Thejas > > > > On 10/14/11 1:15 PM, Jonathan Coveney wrote: > >> I'm wonder if this is a known bug, or what. Here is a test script that >> isolates: >> >> a = load 'data1' as (x:int); >> b = load 'data2' as (y:int); >> >> val1 = foreach (filter (cogroup a by x, b by y) by COUNT(b) == 0) generate >> flatten(a); >> describe val1; >> >> I found that this script works in 0.8, but messes up in 0.9 and trunk >> (error >> is from trunk). >> >> the error: >> 2011-10-14 13:12:48,526 [main] ERROR org.apache.pig.tools.grunt.**Grunt - >> ERROR 1200: Pig script failed to parse: >> <file pig9bug.pig, line 4, column 16> pig script failed to validate: >> org.apache.pig.impl.**logicalLayer.**FrontendException: ERROR 2225: >> Projection >> with nothing to reference! >> >> stack trace: >> Pig Stack Trace >> --------------- >> ERROR 1200: Pig script failed to parse: >> <file pig9bug.pig, line 4, column 16> pig script failed to validate: >> org.apache.pig.impl.**logicalLayer.**FrontendException: ERROR 2225: >> Projection >> with nothing to reference! >> >> org.apache.pig.impl.**logicalLayer.**FrontendException: ERROR 1000: Error >> during >> parsing. Pig script failed to parse: >> <file pig9bug.pig, line 4, column 16> pig script failed to validate: >> org.apache.pig.impl.**logicalLayer.**FrontendException: ERROR 2225: >> Projection >> with nothing to reference! >> at org.apache.pig.PigServer$**Graph.parseQuery(PigServer.**java:1598) >> at org.apache.pig.PigServer$**Graph.registerQuery(PigServer.** >> java:1541) >> at org.apache.pig.PigServer.**registerQuery(PigServer.java:**541) >> at >> org.apache.pig.tools.grunt.**GruntParser.processPig(** >> GruntParser.java:943) >> at >> org.apache.pig.tools.**pigscript.parser.**PigScriptParser.parse(** >> PigScriptParser.java:386) >> at >> org.apache.pig.tools.grunt.**GruntParser.parseStopOnError(** >> GruntParser.java:188) >> at >> org.apache.pig.tools.grunt.**GruntParser.parseStopOnError(** >> GruntParser.java:164) >> at org.apache.pig.tools.grunt.**Grunt.exec(Grunt.java:81) >> at org.apache.pig.Main.run(Main.**java:561) >> at org.apache.pig.Main.main(Main.**java:111) >> Caused by: Failed to parse: Pig script failed to parse: >> <file pig9bug.pig, line 4, column 16> pig script failed to validate: >> org.apache.pig.impl.**logicalLayer.**FrontendException: ERROR 2225: >> Projection >> with nothing to reference! >> at >> org.apache.pig.parser.**QueryParserDriver.parse(** >> QueryParserDriver.java:178) >> at org.apache.pig.PigServer$**Graph.parseQuery(PigServer.**java:1590) >> ... 9 more >> Caused by: >> <file pig9bug.pig, line 4, column 16> pig script failed to validate: >> org.apache.pig.impl.**logicalLayer.**FrontendException: ERROR 2225: >> Projection >> with nothing to reference! >> at >> org.apache.pig.parser.**LogicalPlanBuilder.**buildFilterOp(** >> LogicalPlanBuilder.java:173) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.filter_** >> clause(LogicalPlanGenerator.**java:6122) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.op_** >> clause(LogicalPlanGenerator.**java:1153) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.inline_** >> op(LogicalPlanGenerator.java:**5502) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.rel(** >> LogicalPlanGenerator.java:**5432) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.foreach_** >> clause(LogicalPlanGenerator.**java:12109) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.op_** >> clause(LogicalPlanGenerator.**java:1373) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.general_**statement(** >> LogicalPlanGenerator.java:692) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.**statement(** >> LogicalPlanGenerator.java:492) >> at >> org.apache.pig.parser.**LogicalPlanGenerator.query(** >> LogicalPlanGenerator.java:378) >> at >> org.apache.pig.parser.**QueryParserDriver.parse(** >> QueryParserDriver.java:171) >> ... 10 more >> ==============================**==============================** >> ==================== >> >> >
