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author | gatorsmile <gatorsmile@gmail.com> | 2015-11-09 16:06:48 -0800 |
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committer | Michael Armbrust <michael@databricks.com> | 2015-11-09 16:06:48 -0800 |
commit | 2f38378856fb56bdd9be7ccedf56427e81701f4e (patch) | |
tree | 5540a81228b2fb3668387e034417b7ced5b50815 /docs/ml-ann.md | |
parent | 9565c246eadecf4836d247d0067f2200f061d25f (diff) | |
download | spark-2f38378856fb56bdd9be7ccedf56427e81701f4e.tar.gz spark-2f38378856fb56bdd9be7ccedf56427e81701f4e.tar.bz2 spark-2f38378856fb56bdd9be7ccedf56427e81701f4e.zip |
[SPARK-11360][DOC] Loss of nullability when writing parquet files
This fix is to add one line to explain the current behavior of Spark SQL when writing Parquet files. All columns are forced to be nullable for compatibility reasons.
Author: gatorsmile <gatorsmile@gmail.com>
Closes #9314 from gatorsmile/lossNull.
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