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https://issues.apache.org/jira/browse/FLINK-10871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16688120#comment-16688120
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Hequn Cheng commented on FLINK-10871:
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[~fhueske] Hi, thanks for your reply. You are right. I think we should not
change the existing methods. Should we add a {{contextEnvironmentFactory}} for
{{TableEnvironment}}, similar to {{contextEnvironmentFactory}} in
{{StreamExecutionEnvironment}} and {{ExecutionEnvironment}}?
> ExecutionEnvironment & TableEnvironment should be singleton
> -----------------------------------------------------------
>
> Key: FLINK-10871
> URL: https://issues.apache.org/jira/browse/FLINK-10871
> Project: Flink
> Issue Type: Improvement
> Reporter: Jeff Zhang
> Assignee: Hequn Cheng
> Priority: Minor
>
> For now, ExecutionEnvironment.getExecutionEnvironment and
> TableEnvironment.getTableEnvironment will always create a new object, I think
> singleton should be sufficient for flink app unless I misunderstand it.
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