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Posted to dev@pig.apache.org by "Weijun Qian (JIRA)" <ji...@apache.org> on 2017/08/03 01:48:00 UTC
[jira] [Assigned] (PIG-2595) BinCond only works inside parentheses
[ https://issues.apache.org/jira/browse/PIG-2595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weijun Qian reassigned PIG-2595:
--------------------------------
Assignee: Weijun Qian
> BinCond only works inside parentheses
> -------------------------------------
>
> Key: PIG-2595
> URL: https://issues.apache.org/jira/browse/PIG-2595
> Project: Pig
> Issue Type: Bug
> Reporter: Daniel Dai
> Assignee: Weijun Qian
> Fix For: 0.18.0
>
>
> Not sure if we have a Jira for this before. This script does not work:
> {code}
> a = load '/user/pig/tests/data/singlefile/studenttab10k' using PigStorage() as (name, age:int, gpa:double, instate:chararray);
> b = foreach a generate name, instate=='true'?gpa:gpa+1;
> dump b;
> {code}
> If we put bincond into parentheses, it works
> {code}
> a = load '/user/pig/tests/data/singlefile/studenttab10k' using PigStorage() as (name, age:int, gpa:double, instate:chararray);
> b = foreach a generate name, (instate=='true'?gpa:gpa+1);
> dump b;
> {code}
> Exception:
> ERROR 1200: <file 40.pig, line 2, column 36> mismatched input '==' expecting SEMI_COLON
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during parsing. <file 40.pig, line 2, column 36> mismatched input '==' expecting SEMI_COLON
> 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:945)
> at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:392)
> at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:190)
> at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:166)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84)
> at org.apache.pig.Main.run(Main.java:599)
> at org.apache.pig.Main.main(Main.java:153)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> Caused by: Failed to parse: <file 40.pig, line 2, column 36> mismatched input '==' expecting SEMI_COLON
> at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:226)
> at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:168)
> at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1590)
> ... 14 more
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