Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16514#discussion_r95112371
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala
---
@@ -555,6 +557,61 @@ class HiveDDLSuite
}
}
+ test("Alter Table Set Location") {
+ withTable("tab1", "tab2") {
+ val catalog = spark.sessionState.catalog
+ sql("CREATE TABLE tab1 using parquet AS SELECT 1 as a")
+ sql("CREATE TABLE tab2 using parquet AS SELECT 2 as a")
+ checkAnswer(spark.table("tab1"), Seq(Row(1)))
+ checkAnswer(spark.table("tab2"), Seq(Row(2)))
+ val metadataTab1 = catalog.getTableMetadata(TableIdentifier("tab1"))
+ val locTab1 = metadataTab1.storage.locationUri
+ val metadataTab2 = catalog.getTableMetadata(TableIdentifier("tab2"))
+ val locTab2 = metadataTab2.storage.locationUri
+ assert(locTab1.isDefined)
+ assert(locTab2.isDefined)
+ try {
+ sql(s"ALTER TABLE tab2 SET LOCATION '${locTab1.get}'")
+ checkAnswer(spark.table("tab2"), Seq(Row(1)))
+ } finally {
+ val root = new Path(locTab2.get)
+ val fs = root.getFileSystem(spark.sparkContext.hadoopConfiguration)
+ fs.delete(root, true)
+ }
+ }
+ }
+
+ test("Alter Table Rename Partition") {
+ withTempView("tempView1") {
+ withTable("partitionedTab") {
+ spark.range(2).select('id as 'a, 'id as
'b).createTempView("tempView1")
+ sql(
+ """
+ |CREATE TABLE partitionedTab
+ |USING parquet
+ |PARTITIONED BY (b)
+ |AS SELECT a, b from tempView1
+ """.stripMargin)
+ // fill the cache
+ checkAnswer(spark.table("partitionedTab"), Seq(Row(0, 0), Row(1,
1)))
+
+ sql("ALTER TABLE partitionedTab PARTITION (b=1) RENAME TO
PARTITION (b=3)")
+ checkAnswer(spark.table("partitionedTab"), Seq(Row(0, 0), Row(1,
3)))
+ }
+ }
+ }
+
+ test("Alter Table Rename Table") {
--- End diff --
The rename table command processing already called `refreshTable`. Thus,
this is just to cover the test case.
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