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https://issues.apache.org/jira/browse/PIG-1847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thejas M Nair updated PIG-1847:
-------------------------------
Release Note: (was: The typechecker and lineage tracking on new plan is
part of NewParser-18.patch in PIG-1618 .)
The typechecker and lineage tracking on new plan is part of NewParser-18.patch
in PIG-1618 . Closing this jira.
> implement typechecking and lineage tracking on new logical plan
> ---------------------------------------------------------------
>
> Key: PIG-1847
> URL: https://issues.apache.org/jira/browse/PIG-1847
> Project: Pig
> Issue Type: Task
> Affects Versions: 0.8.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.9.0
>
> Attachments: PIG-1847.1.patch
>
>
> In 0.8, TypeCheckingVisitor works on the old logical plan, before it is
> translated to new logical plan. The TypeCheckingVisitor checks the types in
> expressions, adds casts and tracks lineage for identifying which load
> function's LoadCaster interface is to be used to convert bytearrays into
> other types.
> As the old logical plan is going away in 0.9, this functionality needs to be
> added for new plan.
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