David Swearingen 2012-09-01, 11:52
Edward Capriolo 2012-09-01, 13:37
David Swearingen 2012-09-01, 14:33
-Re: Newbie - Hive Tutorial question, what format is the sample data file in?
It is up to the user to decide what that INT means in this case. This
tutorial was created very early on. Since then hive has added support
for timestamp type which has a clear meaning.
On Sat, Sep 1, 2012 at 10:33 AM, David Swearingen <[EMAIL PROTECTED]> wrote:
> Thanks. Still not clear to me what a time field is as an INT:
> milleseconds since the epoch? That was my question.
> Sent from my iPhone
> On Sep 1, 2012, at 9:37 AM, Edward Capriolo <[EMAIL PROTECTED]> wrote:
>> I do not think their is a sample file. You can tell the format by
>> create table statement.
>> COMMENT 'This is the staging page view table'
>> ROW FORMAT DELIMITED FIELDS TERMINATED BY '44' LINES TERMINATED BY '12'
>> STORED AS TEXTFILE
>> LOCATION '/user/data/staging/page_view';
>> 12 is a '\n' and 44 is a ','. Since the format is TEXTFILE integers
>> are serialized into strings.
>> On Sat, Sep 1, 2012 at 7:52 AM, David Swearingen <[EMAIL PROTECTED]> wrote:
>>> I'm going through the tutorial at
>>> https://cwiki.apache.org/Hive/tutorial.html . It's not clear to me what the
>>> exact format of the log file would be for the sample queries described eg at
>>> https://cwiki.apache.org/Hive/tutorial.html#Tutorial-LoadingData I can't
>>> find a link to download such a file and while I'd be happy to construct one
>>> myself it's not clear to me what a viewTime of type INT would look like
>>> exactly. Perhaps the file conforms to standard web server logfile formats
>>> however there are I believe a couple of variants on that format.
>>> Am I missing something? Thanks.
David Swearingen 2012-09-01, 15:47