gatorsmile 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_r284490322
########## 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: Do we have the same issue for Hive indexes? Also, we normally also added a test case in the Version Suite. You can do it by using the method `runSqlHive(sql: String)` to create materialized views. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org