[ 
http://issues.apache.org/jira/browse/DERBY-194?page=comments#action_62141 ]
     
Daniel John Debrunner commented on DERBY-194:
---------------------------------------------

While the JDBC spec does say 'length', it does not explictly say what length is 
being referred to. Length of the object as a String, length of the stored form 
of the value, maximum length of the Java serialized form of getObject or 
something else?
Is there any clarification in the JDBC tutorial book, or is returning NULL a 
better option here?

> getPrecision() on TIME and TIMESTAMP is zero
> --------------------------------------------
>
>          Key: DERBY-194
>          URL: http://issues.apache.org/jira/browse/DERBY-194
>      Project: Derby
>         Type: Bug
>   Components: JDBC
>     Versions: 10.0.2.0
>  Environment: Windows XP SP1 Professional
>     Reporter: George Baklarz
>     Priority: Minor

>
> Sun JDBC defines getPrecision() to return either the maximum length or 
> maximum number of digits of the column, or zero for failure (such as the 
> precision is unknown). 
> http://docs.sun.com/source/816-6105-10/apicola.htm#211083
> The DATE field returns 10 characters on a getPrecision() call so why doesn't 
> TIME and TIMESTAMP give a precision length equal to the display length? Just 
> seems inconsistent that DATE would return a precision (as well as all other 
> data types) and not TIME nor TIMESTAMP.

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