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https://issues.apache.org/jira/browse/SPARK-4100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14196852#comment-14196852
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Yin Huai commented on SPARK-4100:
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I am not sure I understand the description correctly. Do you mean the behavior
of scanning the whole dataset to infer the schema?
> JSON RDD schema inference causes whole RDD to be realized
> ---------------------------------------------------------
>
> Key: SPARK-4100
> URL: https://issues.apache.org/jira/browse/SPARK-4100
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.1.0
> Reporter: Kuldeep
>
> Registering a JSON RDD as temp table causes each RDD row to be read.
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