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From "Olga Natkovich (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-885) New UDFs for piggybank (Bin, Decode, LookupInFiles, RegexExtract, RegexMatch, HashFVN, DiffDate)
Date Thu, 30 Jul 2009 21:55:14 GMT

    [ https://issues.apache.org/jira/browse/PIG-885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12737315#action_12737315
] 

Olga Natkovich commented on PIG-885:
------------------------------------

The latest patch looks good. Couple of comments:

(1) RegexExtract - input.get(1).equals(mExpression)) - need to check for null return from
get(1). The same for get(2)
(2) RegexpMatch - the same

Once they are addressed, please, commit the patch






> New UDFs for piggybank (Bin, Decode, LookupInFiles, RegexExtract, RegexMatch, HashFVN,
DiffDate)
> ------------------------------------------------------------------------------------------------
>
>                 Key: PIG-885
>                 URL: https://issues.apache.org/jira/browse/PIG-885
>             Project: Pig
>          Issue Type: New Feature
>    Affects Versions: 0.3.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>            Priority: Minor
>             Fix For: 0.4.0
>
>         Attachments: PIG-885-2.patch, PIG-885-3.patch, PIG-885-4.patch, PIG-885-5.patch,
PIG-885-6.patch, PIG-885-7.patch, PIG-885-8.patch, PIG-885.patch
>
>
> Bunch of UDFs:
> 1. Bin -- Converts a continuous value into discrete values
> 2. Decode -- Converts a given attribute or expression into another string value, based
on the value of the source attribute
> 3. LookupInFiles -- Check for the existence of an expression in a serial of text files
> 4. RegexExtract and RegexMatch -- Similar to perl regexes
> 5. HashFNV -- An implementation of FNV hash
> 6. DiffDate -- Caculate the number of days in between

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