Santhosh Srinivasan commented on PIG-784:

Warning aggregation is turned off for local mode. It is currently supported 
only in Map/Reduce mode.

> PigStorage() - need ability to turn off "Attempt to access field"  warnings
> ---------------------------------------------------------------------------
>                 Key: PIG-784
>                 URL: https://issues.apache.org/jira/browse/PIG-784
>             Project: Pig
>          Issue Type: Bug
>            Reporter: David Ciemiewicz
> I want an option to PigStorage() for LOAD which will allow me to turn off the 
> "Attempt to access field" warnings.
> Something like:
> {code}
> define PigStorage PigStorage("warn_load_nonexistent_field=off");
> A = load 'mydata.txt' using PigStorage()
>         as (col1: chararray, col2_optional: int, col3_optional: float);
> {code}
> or
> {code}
> A = load 'mydata.txt' using PigStorage("warn_load_nonexistent_field=0")
>         as (col1: chararray, col2_optional: int, col3_optional: float);
> {code}
> If I have a very large data set with optional columns that are not populated 
> (and have no tab separator), I'd like to just read the file as is and not 
> generate the warnings.
> The warnings are problematic because the fill up the logging output and every 
> System.out.println will generate slow down the overall processing.  
> Especially if the data file being processed is missing one or more columns on 
> every single row.

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