[jira] Updated: (PIG-158) Rework logical plan

["Santhosh Srinivasan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Santhosh Srinivasan updated PIG-158:
------------------------------------

    Attachment: overloaded_project_distinct.patch

The overloaded_project_distinct.patch fixes the following:

1. Overloaded project: the return type of project is set to bag for project(*) from a relational operator
2. PODistinct fixes the use of distinct bag to use one bag per invocation instead of reusing the bag
3. The schema generation for LOForeach in the type checker is fixed
4. The expression operators use field schemas in  the type checker
5. The getNext(DataBag) in the PhysicalOperator returns EOP correctly

> Rework logical plan
> -------------------
>
>                 Key: PIG-158
>                 URL: https://issues.apache.org/jira/browse/PIG-158
>             Project: Pig
>          Issue Type: Sub-task
>          Components: impl
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>         Attachments: cast_fix.patch, fully_qualified_typecast_fix.patch, is_null.patch, logical_operators.patch, logical_operators_rev_1.patch, logical_operators_rev_2.patch, logical_operators_rev_3.patch, multiple_column_project.patch, overloaded_project_distinct.patch, parser_changes.patch, parser_changes_v1.patch, parser_changes_v2.patch, parser_changes_v3.patch, parser_changes_v4.patch, ParserErrors.txt, udf_fix.patch, udf_funcSpec.patch, udf_return_type.patch, user_func_and_store.patch, visitorWalker.patch
>
>
> Rework the logical plan in line with http://wiki.apache.org/pig/PigExecutionModel

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