Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20527#discussion_r166853858
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala
---
@@ -132,6 +134,32 @@ class InMemoryCatalogedDDLSuite extends DDLSuite with
SharedSQLContext with Befo
checkAnswer(spark.table("t"), Row(Row("a", 1)) :: Nil)
}
}
+
+ // TODO: This test is copied from HiveDDLSuite, unify it later.
+ test("SPARK-23348: append data to data source table with saveAsTable") {
--- End diff --
Do we also want to cover the following case:
```
2) Target tables have column metadata
```?
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