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From "Gianmarco De Francisci Morales (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-1429) Add Boolean Data Type to Pig
Date Mon, 25 Jul 2011 10:39:10 GMT

    [ https://issues.apache.org/jira/browse/PIG-1429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13070419#comment-13070419
] 

Gianmarco De Francisci Morales commented on PIG-1429:
-----------------------------------------------------

bq. 2. Similarly, in QueryLexer.tokens, what is the rule to assigne a value to a token? Again
what should be assigned to Boolean?

Hi Zhijie,

QueryLexer.tokens is generated automatically by ANTLR, so you should not touch it.
What you should do is to modify QueryLexer.g in order to include a BOOLEAN token declaration
(like INTEGER or FLOAT).
Also, you should modify QueryParser.g and all the other grammar (.g) files to accept boolean
expressions.

> Add Boolean Data Type to Pig
> ----------------------------
>
>                 Key: PIG-1429
>                 URL: https://issues.apache.org/jira/browse/PIG-1429
>             Project: Pig
>          Issue Type: New Feature
>          Components: data
>    Affects Versions: 0.7.0
>            Reporter: Russell Jurney
>            Assignee: Zhijie Shen
>              Labels: boolean, gsoc2011, pig, type
>         Attachments: PIG-1429_1.patch, working_boolean.patch
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> Pig needs a Boolean data type.  Pig-1097 is dependent on doing this.  
> I volunteer.  Is there anything beyond the work in src/org/apache/pig/data/ plus unit
tests to make this work?  
> This is a candidate project for Google summer of code 2011. More information about the
program can be found at http://wiki.apache.org/pig/GSoc2011

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