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From "Rafael Turk (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-377) Grunt parser doesn't handle escape codes correctly
Date Wed, 03 Feb 2010 21:05:28 GMT

     [ https://issues.apache.org/jira/browse/PIG-377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rafael Turk updated PIG-377:
----------------------------

    Priority: Minor  (was: Major)

> Grunt parser doesn't handle escape codes correctly
> --------------------------------------------------
>
>                 Key: PIG-377
>                 URL: https://issues.apache.org/jira/browse/PIG-377
>             Project: Pig
>          Issue Type: Bug
>          Components: grunt
>         Environment: Pig Trunk  01-Aug-2008
> Hadoop 17.1
> Linux Ubuntu
>            Reporter: Rafael Turk
>            Priority: Minor
>
> Grunt parser doesn't handle escape codes correctly such as \s \n \\..
> Exemple, using:
>  raw_filtered = FILTER raw BY ngram matches '^[a-zA-Z0-9\s]$';
> OR
>  raw_filtered = FILTER raw BY ngram matches "^[a-zA-Z0-9\s]$";
> I get the following error:
> org.apache.pig.impl.logicalLayer.parser.TokenMgrError: Lexical error at line 1, column
57.  Encountered: "s" (115), after : "\'^[a-zA-Z0-9\\"
>         at org.apache.pig.impl.logicalLayer.parser.QueryParserTokenManager.getNextToken(QueryParserTokenManager.java:1623)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.jj_consume_token(QueryParser.java:4744)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.PUnaryCond(QueryParser.java:1117)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.PAndCond(QueryParser.java:1055)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.POrCond(QueryParser.java:1005)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.PCond(QueryParser.java:973)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.FilterClause(QueryParser.java:941)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:686)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:512)
>         at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:362)
>         at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:47)
>         at org.apache.pig.PigServer.registerQuery(PigServer.java:275)
>         at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:475)
>         at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:233)
>         at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:81)
>         at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:60)
>         at org.apache.pig.Main.main(Main.java:294)

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