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From "Santhosh Srinivasan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-290) LOCross output schema is not right
Date Wed, 03 Dec 2008 19:35:44 GMT

     [ https://issues.apache.org/jira/browse/PIG-290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Santhosh Srinivasan updated PIG-290:
------------------------------------

    Patch Info: [Patch Available]

> LOCross output schema is not right
> ----------------------------------
>
>                 Key: PIG-290
>                 URL: https://issues.apache.org/jira/browse/PIG-290
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: types_branch
>            Reporter: Pi Song
>            Assignee: Santhosh Srinivasan
>             Fix For: types_branch
>
>         Attachments: insert_between.patch
>
>
> From the schema generation code:-
> {noformat}
>         List<LogicalOperator> inputs = mPlan.getPredecessors(this);
>             for (LogicalOperator op : inputs) {
>                     // Create schema here
>             }
> {noformat}
> The output schema is generated based on inputs determined in the logical plan. However,
 mPlan.getPredecessors() doesn't always preserve the right order  (A x B and B x A result
in different schemas). I suggest maintaining mInputs variable in LOCross (as it used to be)
to resolve this issue.

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