[
https://issues.apache.org/jira/browse/PIG-749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alan Gates updated PIG-749:
---------------------------
Assignee: Alan Gates
Fix Version/s: 0.9.0
> No attempt to check if 'flatten(group) as' has the same cardinality as 'group
> alias by'
> ---------------------------------------------------------------------------------------
>
> Key: PIG-749
> URL: https://issues.apache.org/jira/browse/PIG-749
> Project: Pig
> Issue Type: Bug
> Components: grunt
> Affects Versions: 0.3.0
> Reporter: Viraj Bhat
> Assignee: Alan Gates
> Priority: Minor
> Fix For: 0.9.0
>
>
> Pig script which does grouping for 3 columns and flattens as 4 columns works
> when in principle it should not and maybe fail as a front-end error.
> {code}
> A = load 'groupcardinalitycheck.txt' using PigStorage() as (col1:chararray,
> col2:chararray, col3:int, col4:chararray);
> B = group A by (col1, col2, col3);
> C = foreach B generate
> flatten(group) as (col1, col2, col3, col4),
> SIZE(A) as frequency;
> dump C;
> {code}
> ==========================================================================================
> Data
> ==========================================================================================
> hello CC 1 there
> hello YSO 2 out
> ouch CC 2 hey
> ==========================================================================================
> Result of the preceding script
> ==========================================================================================
> (ouch,CC,2,1L)
> (hello,CC,1,1L)
> (hello,YSO,2,1L)
> ==========================================================================================
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
