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Posted to issues@flink.apache.org by "Danny Cranmer (Jira)" <ji...@apache.org> on 2022/11/22 17:14:00 UTC
[jira] [Commented] (FLINK-29938) Add open() Method to AsyncSink ElementConverter
[ https://issues.apache.org/jira/browse/FLINK-29938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17637367#comment-17637367 ]
Danny Cranmer commented on FLINK-29938:
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Merged commit [{{91c4d86}}|https://github.com/apache/flink/commit/91c4d865eabad0f7f1b8c7426d87e86afa06d6f6] into apache:master
> Add open() Method to AsyncSink ElementConverter
> -----------------------------------------------
>
> Key: FLINK-29938
> URL: https://issues.apache.org/jira/browse/FLINK-29938
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Common
> Reporter: Danny Cranmer
> Assignee: Danny Cranmer
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0
>
>
> The {{ElementConverter}} is used to convert records to objects that a Sink can deliver to a destination. In some sink implementations, the {{ElementConverter}} needs to be serialized and sent to TM, DynamoDB is a good example [1]. For DynamoDB we need to lazily instantiate some objects, and an `open()` method would provide a clean hook for this.
> [1] https://github.com/apache/flink-connector-aws/blob/main/flink-connector-dynamodb/src/main/java/org/apache/flink/connector/dynamodb/sink/DynamoDBEnhancedElementConverter.java#L57
>
>
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