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2018-03-22 Thread dilipbiswal
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2018-03-20 Thread cloud-fan
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2018-03-20 Thread dilipbiswal
Github user dilipbiswal commented on the issue: https://github.com/apache/spark/pull/20579 @cloud-fan Thank you. I assumed (wrongly) that we don't want to change the behaviour for an external file based datasource and we wanted to scope our check only to spark built in data sources.

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2018-03-20 Thread dilipbiswal
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Github user dilipbiswal commented on the issue: https://github.com/apache/spark/pull/20579 @gatorsmile Thank you Sean. I will follow your suggestion. --- - To unsubscribe, e-mail:

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2018-03-19 Thread gatorsmile
Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/20579 Check whether the format is file-based data sources? Then, we do not need to check the same thing for different file sources. ---

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2018-03-16 Thread dilipbiswal
Github user dilipbiswal commented on the issue: https://github.com/apache/spark/pull/20579 @cloud-fan OK.. i was thinking of adding this check in each built in datasource like Text, CSV, Parquet, ORC, JSON etc. Just like we check it in Parquet with this PR. Would you have any

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2018-03-16 Thread cloud-fan
Github user cloud-fan commented on the issue: https://github.com/apache/spark/pull/20579 After some more thoughts, we should try our best to not introduce behavior change to existing data sources. How about we only add this check for file-based data sources(all of them are built-in)?

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[GitHub] spark issue #20579: [SPARK-23372][SQL] Writing empty struct in parquet fails...

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2018-03-15 Thread dilipbiswal
Github user dilipbiswal commented on the issue: https://github.com/apache/spark/pull/20579 @cloud-fan @rdblue Thank you for clarification. I am sorry, i hadn't seen your comments before i pushed the last change which targets only parquet. I will adjust the fix to target all formats

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2018-03-14 Thread rdblue
Github user rdblue commented on the issue: https://github.com/apache/spark/pull/20579 I agree, we should probably add a check for storing a DataFrame with no columns for now. This is normally caught by the pre-insert rules, but since the table is getting "created" in this case there

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2018-03-13 Thread cloud-fan
Github user cloud-fan commented on the issue: https://github.com/apache/spark/pull/20579 I think this should be applied to all data sources not only parquet. I can't think of any cases that a data source needs to write data with empty schema, cc @rdblue for confirmation. ---

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2018-02-12 Thread hvanhovell
Github user hvanhovell commented on the issue: https://github.com/apache/spark/pull/20579 @dilipbiswal this is a nice improvement. I left a few comments. --- - To unsubscribe, e-mail:

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