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[SPARK-12436][SQL] Now InferSchema should return NullType and ArrayType(NullType) - #10474
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naveenminchu wants to merge 3 commits into
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[SPARK-12436][SQL] Now InferSchema should return NullType and ArrayType(NullType)#10474naveenminchu wants to merge 3 commits into
naveenminchu wants to merge 3 commits into
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ArrayType(NullType)
AmplabJenkins
commented
Dec 25, 2015
Can one of the admins verify this patch? |
rxin
commented
Jan 6, 2016
Contributor
cc @yhuai |
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I think you can just delete this case.
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@yhuai Now removed NullType case as suggested.
yhuai
commented
Jan 6, 2016
Contributor
@naveenminchu I think the next step is to remove those null type fields before we write data to parquet/orc. @liancheng Parquet does not have a null type, right? |
yhuai
commented
Jan 9, 2016
Contributor
Can you add tests and also make changes to the write path (parquet/orc)? Otherwise, when you write a json dataset with null type to parquet, it will fail. |
nchammas
commented
May 12, 2016
Contributor
Is this PR really meant to modify 1,320 files? |
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a.) Currently I have fix for InferSchema to return NullType and ArrayType(NullType)
b.) @rxin Can you confirm second task on [SPARK-12346] is talking about
prepareJobForWrite(job: Job) in "/spark-sql_2.10/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetRelation.scala"