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https://issues.apache.org/jira/browse/SPARK-23354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16357966#comment-16357966
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Yuming Wang commented on SPARK-23354:
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Do you mean custom column type? you can find more details
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https://issues.apache.org/jira/browse/SPARK-23354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16356132#comment-16356132
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Sean Owen commented on SPARK-23354:
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I'm not clear what about this involves Spark. What length do you