viirya commented on a change in pull request #26956: [SPARK-30312][SQL]
Preserve path permission and acl when truncate table
URL: https://github.com/apache/spark/pull/26956#discussion_r365108284
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala
##########
@@ -1981,6 +1982,60 @@ abstract class DDLSuite extends QueryTest with
SQLTestUtils {
}
}
+ test("SPARK-30312: truncate table - keep acl/permission") {
+ import testImplicits._
+ val ignorePermissionAcl = Seq(true, false)
+
+ ignorePermissionAcl.foreach { ignore =>
+ withSQLConf(
+ "fs.file.impl" -> classOf[FakeLocalFsFileSystem].getName,
+ "fs.file.impl.disable.cache" -> "true",
+ SQLConf.TRUNCATE_TABLE_IGNORE_PERMISSION_ACL.key -> ignore.toString) {
+ withTable("tab1") {
+ sql("CREATE TABLE tab1 (col INT) USING parquet")
+ sql("INSERT INTO tab1 SELECT 1")
+ checkAnswer(spark.table("tab1"), Row(1))
+
+ val tablePath = new Path(spark.sessionState.catalog
+ .getTableMetadata(TableIdentifier("tab1")).storage.locationUri.get)
+
+ val hadoopConf = spark.sessionState.newHadoopConf()
+ val fs = tablePath.getFileSystem(hadoopConf)
+ val fileStatus = fs.getFileStatus(tablePath);
+
+ fs.setPermission(tablePath, new FsPermission("777"))
+ assert(fileStatus.getPermission().toString() == "rwxrwxrwx")
+
+ // Set ACL to table path.
+ val customAcl = new java.util.ArrayList[AclEntry]()
+ customAcl.add(new AclEntry.Builder()
+ .setType(AclEntryType.USER)
+ .setScope(AclEntryScope.ACCESS)
+ .setPermission(FsAction.READ).build())
+ fs.setAcl(tablePath, customAcl)
+ assert(fs.getAclStatus(tablePath).getEntries().get(0) ==
customAcl.get(0))
+
+ sql("TRUNCATE TABLE tab1")
+ assert(spark.table("tab1").collect().isEmpty)
+
+ val fileStatus2 = fs.getFileStatus(tablePath)
+ if (ignore) {
+ assert(fileStatus2.getPermission().toString() == "rwxr-xr-x")
Review comment:
Good point! Let me update it.
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