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Date: Tue, 1 Apr 2014 23:23:49 +0530
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 <CANJo1uAw8uRQusY1rcEP3ygbpJsOw52crHLjN5Ci9Fpu3jgrDw@mail.gmail.com>
Subject: Re: Timeuuid inserted with now(),
 how to get the value back in Java client?
From: Vivek Mishra <mishra.vivs@gmail.com>
To: user@cassandra.apache.org
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You would get UUID object from cassandra API. Then you may use
uuid.timestamp() to get time stamp for the same

-Vivek


On Tue, Apr 1, 2014 at 9:55 PM, Theo Hultberg <theo@iconara.net> wrote:

> no, there's no way. you should generate the TIMEUUID on the client side so
> that you have it.
>
> T#
>
>
> On Sat, Mar 29, 2014 at 1:01 AM, Andy Atj2 <andyatj2@gmail.com> wrote:
>
>> I'm writing a Java client to a Cassandra db.
>>
>> One of the main primary keys is a timeuuid.
>>
>> I plan to do INSERTs using now() and have Cassandra generate the value of
>> the timeuuid.
>>
>> After the INSERT, I need the Cassandra-generated timeuuid value. Is there
>> an easy wsay to get it, without having to re-query for the record I just
>> inserted, hoping to get only one record back? Remember, I don't have the PK.
>>
>> Eg, in every other db there's a way to get the generated PK back. In sql
>> it's @@identity, in oracle its...etc etc.
>>
>> I know Cassandra is not an RDBMS. All I want is the value Cassandra just
>> generated.
>>
>> Thanks,
>> Andy
>>
>>
>

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<div dir=3D"ltr">You would get UUID object from cassandra API. Then you may=
 use uuid.timestamp() to get time stamp for the same<div><br></div><div sty=
le>-Vivek</div></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail=
_quote">
On Tue, Apr 1, 2014 at 9:55 PM, Theo Hultberg <span dir=3D"ltr">&lt;<a href=
=3D"mailto:theo@iconara.net" target=3D"_blank">theo@iconara.net</a>&gt;</sp=
an> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;=
border-left:1px #ccc solid;padding-left:1ex">
<div dir=3D"ltr">no, there&#39;s no way. you should generate the TIMEUUID o=
n the client side so that you have it.<span class=3D"HOEnZb"><font color=3D=
"#888888"><div><br></div><div>T#=A0</div></font></span></div><div class=3D"=
HOEnZb">
<div class=3D"h5"><div class=3D"gmail_extra"><br><br><div class=3D"gmail_qu=
ote">On Sat, Mar 29, 2014 at 1:01 AM, Andy Atj2 <span dir=3D"ltr">&lt;<a hr=
ef=3D"mailto:andyatj2@gmail.com" target=3D"_blank">andyatj2@gmail.com</a>&g=
t;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>I&#39;m writing a Java=
 client to a Cassandra db.</div><div><br></div><div>One of the main primary=
 keys is a timeuuid.</div>

<div><br></div><div>I plan to do INSERTs using now() and have Cassandra gen=
erate the value of the timeuuid.</div>
<div><br></div><div>After the INSERT, I need the Cassandra-generated timeuu=
id value. Is there an easy wsay to get it, without having to re-query for t=
he record I just inserted, hoping to get only one record back? Remember, I =
don&#39;t have the PK.</div>


<div><br></div><div>Eg, in every other db there&#39;s a way to get the gene=
rated PK back. In sql it&#39;s @@identity, in oracle its...etc etc.</div><d=
iv><br></div><div>I know Cassandra is not an RDBMS. All I want is the value=
 Cassandra just generated.</div>


<div><br></div><div>Thanks,</div><div>Andy</div><div><br></div></div>
</blockquote></div><br></div>
</div></div></blockquote></div><br></div>

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