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https://issues.apache.org/jira/browse/FLINK-31942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18069527#comment-18069527
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Tomasz Kaczmarek commented on FLINK-31942:
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I've submitted a pull request for this. It adds support for conditional writes
using PutItem, UpdateItem, and DeleteItem. Would appreciate a review when
someone has time.
> Support Conditional Writes in DynamoDB connector
> ------------------------------------------------
>
> Key: FLINK-31942
> URL: https://issues.apache.org/jira/browse/FLINK-31942
> Project: Flink
> Issue Type: New Feature
> Components: Connectors / DynamoDB
> Reporter: Hong Liang Teoh
> Priority: Major
> Labels: pull-request-available
> Fix For: aws-connector-5.2.0
>
>
> Currently, the AWS DynamoDB connector uses the BatchWrite API, which does not
> support conditional writes. This is not great because there might be some use
> cases where the Flink user might want to use conditional writes to implement
> idempotent writes.
>
> We propose to implement support for using `PutItem`, `UpdateItem` and
> `DeleteItem` in the DDB connector
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