[jira] Updated: (PIG-1572) change default datatype when relations are used as scalar to bytearray

["Thejas M Nair (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thejas M Nair updated PIG-1572:
-------------------------------

    Attachment: PIG-1572.1.patch

Summary of changes
- Changed default type (ie type when input relation to scalar has not type) to bytearray.
- Replaced PigStorage with InterStorage for load/store of scalar data, so typed data is stored.
- Changes to track lineage of the ReadScalars udf to the load function(s).
- Removed unnecessary casts on output of ReadScalars
- "describe alias;" PigServer code now checks the alias of the leaf logical operators 
- Changed test cases - explicit cast no longer required when bytearray is used in arithmetic operations. Moved some of the tests to local mode to reduce test run time.


> change default datatype when relations are used as scalar to bytearray
> ----------------------------------------------------------------------
>
>                 Key: PIG-1572
>                 URL: https://issues.apache.org/jira/browse/PIG-1572
>             Project: Pig
>          Issue Type: Bug
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 0.8.0
>
>         Attachments: PIG-1572.1.patch
>
>
> When relations are cast to scalar, the current default type is chararray. This is inconsistent with the behavior in rest of pig-latin.

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