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https://issues.apache.org/jira/browse/PIG-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12591987#action_12591987
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Alan Gates commented on PIG-161:
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Two more comments on incr5.patch:
1) Comments on POSplit were good, but I didn't see the implementation. I'm
assuming this isn't finished.
2) Concerning POCast, the LoadFunc interface has been changed to provide
conversions for data types. This is because we can't assume that the data is
always an ascii representation. So POCast needs to invoke those LoadFunc calls
rather than do the translation itself. This implies that LOCast will need to
contain information pointing to the correct LoadFunc so that POCast knows which
LoadFunc to instantiate.
> Rework physical plan
> --------------------
>
> Key: PIG-161
> URL: https://issues.apache.org/jira/browse/PIG-161
> Project: Pig
> Issue Type: Sub-task
> Reporter: Alan Gates
> Assignee: Alan Gates
> Attachments: arithmeticOperators.patch, incr2.patch, incr3.patch,
> incr4.patch, incr5.patch, MRCompilerTests_PlansAndOutputs.txt,
> Phy_AbsClass.patch, physicalOps.patch, podistinct.patch, pogenerate.patch,
> pogenerate.patch, pogenerate.patch, posort.patch
>
>
> This bug tracks work to rework all of the physical operators as described in
> http://wiki.apache.org/pig/PigTypesFunctionalSpec
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