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https://issues.apache.org/jira/browse/FLINK-31946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17722855#comment-17722855
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Hong Liang Teoh commented on FLINK-31946:
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Hi [~cjensen] ! Thanks for creating this issue.
Trying to understand the use case better here. If we want 1 record to map to 2
WriteRequests, would doing a FlatMap before the sink operator work?
If the intention is to have more efficient reads, could we instead use a GSI?
> DynamoDB Sink Allow Multiple Item Writes
> ----------------------------------------
>
> Key: FLINK-31946
> URL: https://issues.apache.org/jira/browse/FLINK-31946
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / DynamoDB
> Reporter: Curtis Jensen
> Priority: Minor
>
> In some cases, it is desirable to be able to write aggregation data to
> multiple partition keys. This supports the case of denormalizing data to
> facilitate more efficient read operations.
> However, the DynamoDBSink allows for only a single DynamoDB item to be
> generated for each Flink Element. This appears to be a limitation of the
> ElementConverter more than DyanmoDBSink.
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