turboFei commented on a change in pull request #29000:
URL: https://github.com/apache/spark/pull/29000#discussion_r449964390
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/sources/PartitionedWriteSuite.scala
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@@ -164,4 +167,45 @@ class PartitionedWriteSuite extends QueryTest with
SharedSparkSession {
assert(e.getMessage.contains("Found duplicate column(s) b, b: `b`;"))
}
}
+
+ test("SPARK-27194 SPARK-29302: Fix commit collision in dynamic partition
overwrite mode") {
+ withSQLConf(SQLConf.PARTITION_OVERWRITE_MODE.key ->
+ SQLConf.PartitionOverwriteMode.DYNAMIC.toString,
+ SQLConf.FILE_COMMIT_PROTOCOL_CLASS.key ->
+ classOf[ConstantJobIdCommitProtocol].getName) {
+ withTempDir { d =>
+ withTable("t") {
+ sql(
+ s"""
+ | create table t(c1 int, p1 int) using parquet partitioned by
(p1)
+ | location '${d.getAbsolutePath}'
+ """.stripMargin)
+
+ // File commit protocol is ConstantJobIdCommitProtocol, whose jobId
is 'jobId'.
+ val stagingDir = new File(d, ".spark-staging-jobId")
+ stagingDir.mkdirs()
+ val conflictTaskFile = new File(stagingDir,
"part-00000-jobId-c000.snappy.parquet")
+ conflictTaskFile.createNewFile()
Review comment:
@advancedxy thanks
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