Santhosh Srinivasan commented on PIG-893:

What are the semantics of chararray (string) to numeric types? 

Pig does not support conversion of any non-bytearray type to bytearray. The 
proposal in the jira description is minimalistic. Does it match with that of 

Without clear articulation about what these things mean, we cannot/should not 
support chararray to numeric type conversions. PiggyBank already supports UDFs 
that convert strings to int, double, etc.

It's a nice to have, as part of the language but its better positioned as a 
UDF. If clear semantics are laid out then making it part of the language will 
be a matter of consensus.

> support cast of chararray to other simple types
> -----------------------------------------------
>                 Key: PIG-893
>                 URL: https://issues.apache.org/jira/browse/PIG-893
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Thejas M Nair
> Pig should support casting of chararray to 
> integer,long,float,double,bytearray. If the conversion fails for reasons such 
> as overflow, cast should return null and log a warning.

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