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https://issues.apache.org/jira/browse/PIG-1563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903744#action_12903744
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Olga Natkovich commented on PIG-1563:
-------------------------------------
Uploaded new patch which does the following:
(1) Adds mapping function for functions with fixed number of arguments:
SUBSTRING, LAST_INDEX_OF, REPLACE,TRIM
(2) Left the rest of the functions alone which means that until 0.9 they will
only work on typed data. CONCAT is in the same category
(3) Re-used applicable tests that Dmitry create, thanks!
(3) Added a couple of e2e tests to make sure that we test the mapping function
as well
Please, review.
We will keep the open till we address (2) in 0.9.
> SUBSTRING function is broken
> ----------------------------
>
> Key: PIG-1563
> URL: https://issues.apache.org/jira/browse/PIG-1563
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.8.0
> Reporter: Olga Natkovich
> Assignee: Dmitriy V. Ryaboy
> Fix For: 0.8.0
>
> Attachments: PIG_1563.patch, PIG_1563_v2.patch
>
>
> Script:
> A = load 'studenttab10k' as (name, age, gpa);
> C = foreach A generate SUBSTRING(name, 0,5);
> E = limit C 10;
> dump E;
> Output is always empty:
> ()
> ()
> ()
> ()
> ()
> ()
> ()
> ()
> ()
> ()
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