Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/16549#discussion_r95716715
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveDDLSuite.scala
---
@@ -1340,8 +1348,8 @@ class HiveDDLSuite
val e3 = intercept[AnalysisException] {
spark.table("t").write.format("hive").mode("overwrite").saveAsTable("t")
}
- assert(e3.message.contains(
- "CTAS for hive serde tables does not support append or overwrite
semantics"))
+ assert(e3.message.contains("Cannot overwrite table")
+ && e3.message.contains("that is also being read from"))
--- End diff --
nit: we can test the full message `Cannot overwrite table default.t that is
also being read from`
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