wangyum commented on a change in pull request #24592: [SPARK-27690][SQL] Remove
materialized views first in `HiveClientImpl.reset`
URL: https://github.com/apache/spark/pull/24592#discussion_r284491424
##########
File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala
##########
@@ -856,9 +856,20 @@ private[hive] class HiveClientImpl(
}
def reset(): Unit = withHiveState {
- client.getAllTables("default").asScala.foreach { t =>
+ val allTables = client.getAllTables("default")
+ val (mvs, others) = allTables.asScala.map(t => client.getTable("default",
t))
+ .partition(_.getTableType.toString.equals("MATERIALIZED_VIEW"))
+
+ // Remove materialized view first, otherwise caused a violation of foreign
key constraint.
Review comment:
Test in another PR: https://github.com/apache/spark/pull/23992
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