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From Xiaoyong Zhu <>
Subject RE: EXIST vs EXISTS keyword?
Date Fri, 23 Jan 2015 01:10:24 GMT
sorry for the wrong question - yes, there is no keyword "EXIST"...


From: Jason Dere []
Sent: Friday, January 23, 2015 8:09 AM
Cc: Zhaomin Xu
Subject: Re: EXIST vs EXISTS keyword?

Doing a quick search in the lexer/parser files (*.g), I only see KW_EXISTS and not KW_EXIST.

On Jan 22, 2015, at 1:25 AM, Xiaoyong Zhu <<>>

Hello experts

I am wondering when the keyword "EXIST" will be used in Hive - and if it is used, then what's
the difference between EXIST and EXISTS?



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