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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-1248) [piggybank] useful String functions
Date Mon, 01 Mar 2010 22:28:05 GMT

    [ https://issues.apache.org/jira/browse/PIG-1248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12839891#action_12839891
] 

Alan Gates commented on PIG-1248:
---------------------------------

I agree camel case is easier on the eyes (and on the fingers).  But we seem to have chosen
all caps for built in functions.  Some of these we'll eventually want to move into builtins
for Pig.  I really don't want to bring in builtins that aren't all caps.  For functions we
think we might want to bring into builtin someday it seems like it would be better to start
them out in all caps now rather than changing them later.

One other thought on the tuples via bags.  If you have a script like:

{code}
A = load 'bla' using TextLoader();
B = foreach A generate flatten(Split($0));
{code}

Assume a file that contains : "Mary had a little lamb".  If Split returns tuples then B will
return 1 record, "Mary had a little lamb".  If Split returns a bag, then B will generate 5
records ("Mary", "had", "a", "little", "lamb").  I don't have any guess of which of those
users will want more.


> [piggybank] useful String functions
> -----------------------------------
>
>                 Key: PIG-1248
>                 URL: https://issues.apache.org/jira/browse/PIG-1248
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Dmitriy V. Ryaboy
>            Assignee: Dmitriy V. Ryaboy
>             Fix For: 0.7.0
>
>         Attachments: PIG_1248.diff, PIG_1248.diff, PIG_1248.diff
>
>
> Pig ships with very few evalFuncs for working with strings. This jira is for adding a
few more.

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