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https://issues.apache.org/jira/browse/SPARK-23665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16401677#comment-16401677
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Takeshi Yamamuro commented on SPARK-23665:
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I feel most database users explicitly use cursors for that case, so I think the
automation seems to go too far.
> Add adaptive algorithm to select query result collect method
> ------------------------------------------------------------
>
> Key: SPARK-23665
> URL: https://issues.apache.org/jira/browse/SPARK-23665
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.1.1, 2.3.0
> Reporter: zhoukang
> Priority: Major
>
> Currently, we use configuration like
> {code:java}
> spark.sql.thriftServer.incrementalCollect
> {code}
> to specify query result collect method.
> Actually,we can estimate the size of the result and select collect method
> automatically.
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