mccheah commented on a change in pull request #24798: [SPARK-27724][SQL]
Implement REPLACE TABLE and REPLACE TABLE AS SELECT with V2
URL: https://github.com/apache/spark/pull/24798#discussion_r291785893
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/sources/v2/DataSourceV2SQLSuite.scala
##########
@@ -170,6 +173,85 @@ class DataSourceV2SQLSuite extends QueryTest with
SharedSQLContext with BeforeAn
checkAnswer(spark.internalCreateDataFrame(rdd, table.schema),
spark.table("source"))
}
+ test("ReplaceTableAsSelect: basic v2 implementation using atomic catalog.") {
+ spark.sql("CREATE TABLE testcatatomic.table_name USING foo AS SELECT id,
data FROM source")
+ val testCatalog = spark.catalog("testcatatomic").asTableCatalog
+ val originalTable = testCatalog.loadTable(Identifier.of(Array(),
"table_name"))
+ spark.sql("REPLACE TABLE testcatatomic.table_name USING foo AS SELECT id
FROM source")
+ val replacedTable = testCatalog.loadTable(Identifier.of(Array(),
"table_name"))
+ assert(replacedTable != originalTable, "Table should have been replaced.")
+ assert(replacedTable.name == "testcatatomic.table_name")
+ assert(replacedTable.partitioning.isEmpty)
+ assert(replacedTable.properties == Map("provider" -> "foo").asJava)
+ assert(replacedTable.schema == new StructType()
+ .add("id", LongType, nullable = false))
+ val rdd =
spark.sparkContext.parallelize(replacedTable.asInstanceOf[InMemoryTable].rows)
+ checkAnswer(
+ spark.internalCreateDataFrame(rdd, replacedTable.schema),
+ spark.table("source").select("id"))
+ }
Review comment:
I modified some of the success cases, don't know there are more that need to
be adjusted. Think we don't have to be completely exhaustive here.
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