Gunther Hagleitner updated PIG-849:

    Status: Patch Available  (was: Open)

> Local engine loses records in splits
> ------------------------------------
>                 Key: PIG-849
>                 URL: https://issues.apache.org/jira/browse/PIG-849
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>         Attachments: local_engine.patch, local_engine.patch
> When there is a split in the physical plan records can be dropped in certain 
> circumstances.
> The local split operator puts all records in a databag and turns over 
> iterators to the POSplitOutput operators. The problem is that the local split 
> also adds STATUS_NULL records to the bag. That will cause the databag's 
> iterator to prematurely return false on the hasNext call (so a STATUS_NULL 
> becomes a STATUS_EOP in the split output operators).

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