Thanks. Seems like it's an empty string.
On Tue, Sep 24, 2013 at 7:35 AM, Stephen Sprague <sprag...@gmail.com> wrote: > i think we need an example. if the column exists in the meta-data but not > in the data i'm pretty sure hive will take it as a null. no example though > makes it hard to go further into this (at least for this reader.) > > > On Mon, Sep 23, 2013 at 4:35 PM, Gary Zhao <garyz...@gmail.com> wrote: > >> Hello >> >> I'm query a table and I'm able to filter column value is "NULL", but >> looks like some record doesn't even have "NULL" value. Is there a way to >> filter them out? >> >> Thanks >> Gary >> > >
