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https://issues.apache.org/jira/browse/PIG-2593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287649#comment-13287649
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Daniel Dai commented on PIG-2593:
---------------------------------
Yes, you are right. We need to fix both 4 & 5.
There exists some e2e test cases in FilterBoolean, which is disabled due to the
issue. You can make use of them.
> Filter by a boolean value does not work
> ---------------------------------------
>
> Key: PIG-2593
> URL: https://issues.apache.org/jira/browse/PIG-2593
> Project: Pig
> Issue Type: Bug
> Components: build
> Reporter: Daniel Dai
>
> The following script does not work:
> {code}
> a = load 'allscalar10k' as (name, age, gpa, instate);
> b = filter a by instate;
> explain b;
> {code}
> Exception:
> ERROR 1200: <file 18.pig, line 2, column 23> mismatched input ';' expecting
> IS
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during
> parsing. <file 18.pig, line 2, column 23> mismatched input ';' expecting IS
> 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)
> Caused by: Failed to parse: <file 18.pig, line 2, column 23> mismatched
> input ';' expecting IS
> at
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:222)
> at
> org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:164)
> at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1590)
> ... 9 more
> It works if we change the script into:
> {code}
> a = load 'allscalar10k' as (name, age, gpa, instate);
> b = filter a by instate==TRUE;
> explain b;
> {code}
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