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David Lo commented on SPARK-19477:
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[~cloud_fan] Could you please elaborate on your suggested
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Wenchen Fan commented on SPARK-19477:
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a simple workaround will be `ds.map(equality)`.
> [SQL]
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Don Drake commented on SPARK-19477:
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How does lazy apply here? If I read/create a dataframe with extra
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Michael Armbrust commented on SPARK-19477:
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If a lot of people are confused by this being lazy
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Christophe Préaud commented on SPARK-19477:
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As a workaround, mapping the dataset with
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Wenchen Fan commented on SPARK-19477:
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I think the most confusing part maybe the fact that
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Song Jun commented on SPARK-19477:
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thanks， I got it~
> [SQL] Datasets created from a Dataframe with
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Wenchen Fan commented on SPARK-19477:
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The type T of Dataset and the schema of Dataset should be
