topic Re: [resolved] Dynamo components in 6.2.1 in Talend Studio

[resolved] Dynamo components in 6.2.1

Anonymous — Sat, 16 Nov 2024 10:31:23 GMT

Hello,
I've just figured out that Talend added Dynamo components to the studio, which is a killer feature for me.
Where can I find more info on how to use it?
Specifics questions, which are important:
[list=1]

How the component manages Throughput? I've run tests on the table with 120 Thoughput units but component used only 4-5 units(200 rows per second).

I'm getting errors when trying to filter the results of scan expression: (Syntax error on token "creation_day", invalid AssignmentOperator; the left-hand side of an assignment must be a variable; Syntax error on tokens, delete these tokens)

Inside table we created creation_time column to help us with Incremental refreshes. It is epoch milliseconds with 13 digits and is out of integer type, which throws the error when I use it in filter expression.

Any documentation on this component? Thanks a lot!

Re: [resolved] Dynamo components in 6.2.1

Anonymous — Mon, 11 Jul 2016 03:58:27 GMT

Hi,
Have you already checked component references about: TalendHelpCenter:tDynamoDBInput and TalendHelpCenter:tDynamoDBOutput?
Best regards
Sabrina

Re: [resolved] Dynamo components in 6.2.1

Anonymous — Wed, 13 Jul 2016 11:09:33 GMT

Thank you, Sabrina. I couldn't find these pages in google.

Still one more question left: I'm using a timestamp to filter my results.

I get the following error:

timestamp field is of BigDecimal type...

Re: [resolved] Dynamo components in 6.2.1

Anonymous — Thu, 14 Jul 2016 10:23:51 GMT

Hi,
Could you please also post your schema setting screenshot into forum?
Best regards
Sabrina

Re: [resolved] Dynamo components in 6.2.1

Anonymous — Thu, 14 Jul 2016 18:59:03 GMT

Hi Sabrina,
Thanks a lot for your help. I found a solution: since I manually entered the value for filter, Java automatically assigned it type "Int" which is not enough for my value. I had to expicitly identify that this is Long to make it work by appending "L" to my number.
If I use other components, prior to Dynamo, where I define my variable as BigDecimal, everyting works fine.

Re: [resolved] Dynamo components in 6.2.1

Anonymous — Fri, 15 Jul 2016 08:32:56 GMT

Hi Ivan.Klimovich,
Thanks for sharing your solution with us. Can we consider your issue as resolved?
Best regards
Sabrina

Re: [resolved] Dynamo components in 6.2.1

Anonymous — Fri, 15 Jul 2016 16:29:46 GMT

Hello Sabrina,

Yes. 100%. Thanks a lot for the links!