Re: question about a beeline variable

I got the idea it's the null value in Hive. 0: jdbc:hive2://localhost:1/default> select size(null); +--+ | _c0 | +--+ | -1 | +--+ Thanks On Sun, Feb 27, 2022 at 4:02 PM Bitfox wrote: > what does this -1 value mean? > > > set mapred.reduce.tasks; > >

question about a beeline variable

what does this -1 value mean? > set mapred.reduce.tasks; +-+ | set | +-+ | mapred.reduce.tasks=-1 | +-+ 1 row selected (0.014 seconds)