Well, I must say sorry that there was a mistake in the last email.
The maximum number of the valid keys is 32 in my test. Namely, key33~key50 get
null values in the code.
Still waiting for more details, thanks!
Regards,
孙志禹
发件人： 孙志禹
发送时间： 2019-02-21 13:18
收件人： user@hive.apache.org
主题
,key29,key30
,key31,key32,key33,key34,key35,key36,key37,key38,key39,key40
,key41,key42,key43,key44,key45,key46,key47,key48,key49,key50
)
)
Regards,
孙志禹(Zhiyu Sun)
It did help, thanks!
Regards,
孙志禹
From: Tanvi Thacker
Date: 2018-11-15 06:06
To: user
Subject: Re: Rlike '\s' couldn't get the space
Hi,
You need to use "rlike '\\s' to escape the single backslash.
Regards
Tanvi Thacker
On Mon, Nov 12, 2018 at 3:02 AM anci_...@yahoo.com wrote:
Dears, What is the difference between ROW BETWEEN and RANGE BETWEEN when
using a OVER clause? I found it difficult to get an answer about this for hive.
Hope there would be a more detailed help article about OVER clause at the
Confluence. Thanks!
Dear all, Does the code1 below have a better efficiency than code2?
Thanks!
CODE1： select
distinct a,b,c from table1
CODE2: select a,b,c from table1 group by
a,b,c
In the link
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Select where
there is an explanation of the function regexp_extract (in the picture below),
there is a reference to the html docs/api/java/util/regex/Matcher.html which
can not be opened directly. It seems something
. And I'll read the link carefully later.
anci_...@yahoo.com
From: Furcy PinDate: 2017-10-11 23:25To: user; 孙志禹Subject: Re: [Questio]Which
record does Hive give the bigger number when I use row_numberHello,
Either one can receive the bigger row_num, in an underteministic fashion (which
Dear all, Thanks since it's the first time for me to have a honor to ask
questions here. I used the hql script below:
-- - select user_id
, cost_date -- datetime , cost -- int ,
row_number
