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https://issues.apache.org/jira/browse/SPARK-7737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-7737:
-----------------------------------
Assignee: Yin Huai (was: Apache Spark)
> parquet schema discovery should not fail because of empty _temporary dir
> -------------------------------------------------------------------------
>
> Key: SPARK-7737
> URL: https://issues.apache.org/jira/browse/SPARK-7737
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Yin Huai
> Assignee: Yin Huai
> Priority: Blocker
>
> Parquet schema discovery will fail when the dir is like
> {code}
> /partitions5k/i=2/_SUCCESS
> /partitions5k/i=2/_temporary/
> /partitions5k/i=2/part-r-00001.gz.parquet
> /partitions5k/i=2/part-r-00002.gz.parquet
> /partitions5k/i=2/part-r-00003.gz.parquet
> /partitions5k/i=2/part-r-00004.gz.parquet
> {code}
> {code}
> java.lang.AssertionError: assertion failed: Conflicting partition column
> names detected:
>
> at scala.Predef$.assert(Predef.scala:179)
> at
> org.apache.spark.sql.sources.PartitioningUtils$.resolvePartitions(PartitioningUtils.scala:159)
> at
> org.apache.spark.sql.sources.PartitioningUtils$.parsePartitions(PartitioningUtils.scala:71)
> at
> org.apache.spark.sql.sources.HadoopFsRelation.org$apache$spark$sql$sources$HadoopFsRelation$$discoverPartitions(interfaces.scala:468)
> at
> org.apache.spark.sql.sources.HadoopFsRelation$$anonfun$partitionSpec$3.apply(interfaces.scala:424)
> at
> org.apache.spark.sql.sources.HadoopFsRelation$$anonfun$partitionSpec$3.apply(interfaces.scala:423)
> at scala.Option.getOrElse(Option.scala:120)
> at
> org.apache.spark.sql.sources.HadoopFsRelation.partitionSpec(interfaces.scala:422)
> at
> org.apache.spark.sql.sources.HadoopFsRelation.schema$lzycompute(interfaces.scala:482)
> at
> org.apache.spark.sql.sources.HadoopFsRelation.schema(interfaces.scala:480)
> at
> org.apache.spark.sql.sources.LogicalRelation.<init>(LogicalRelation.scala:30)
> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:134)
> at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:118)
> at org.apache.spark.sql.SQLContext.load(SQLContext.scala:1135)
> {code}
> 1.3 works fine.
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