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https://issues.apache.org/jira/browse/SPARK-13207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Apache Spark reassigned SPARK-13207:
------------------------------------
Assignee: Yin Huai (was: Apache Spark)
> _SUCCESS should not break partition discovery
> ---------------------------------------------
>
> Key: SPARK-13207
> URL: https://issues.apache.org/jira/browse/SPARK-13207
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
> Assignee: Yin Huai
>
> Partitioning discovery will fail with the following case
> {code}
> test("_SUCCESS should not break partitioning discovery") {
> withTempPath { dir =>
> val tablePath = new File(dir, "table")
> val df = (1 to 3).map(i => (i, i, i, i)).toDF("a", "b", "c", "d")
> df.write
> .format("parquet")
> .partitionBy("b", "c", "d")
> .save(tablePath.getCanonicalPath)
> Files.touch(new File(s"${tablePath.getCanonicalPath}/b=1", "_SUCCESS"))
> Files.touch(new File(s"${tablePath.getCanonicalPath}/b=1/c=1",
> "_SUCCESS"))
> Files.touch(new File(s"${tablePath.getCanonicalPath}/b=1/c=1/d=1",
> "_SUCCESS"))
>
> checkAnswer(sqlContext.read.format("parquet").load(tablePath.getCanonicalPath),
> df)
> }
> }
> {code}
> Because {{_SUCCESS}} is the in the inner partitioning dirs, partitioning
> discovery will fail.
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