Github user windpiger commented on a diff in the pull request:

    https://github.com/apache/spark/pull/17001#discussion_r103605667
  
    --- Diff: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/ExternalCatalog.scala
 ---
    @@ -74,7 +77,19 @@ abstract class ExternalCatalog {
        */
       def alterDatabase(dbDefinition: CatalogDatabase): Unit
     
    -  def getDatabase(db: String): CatalogDatabase
    +  def getDatabase(db: String): CatalogDatabase = {
    +    val database = getDatabaseInternal(db)
    +    // The default database's location always uses the warehouse path.
    +    // Since the location of database stored in metastore is qualified,
    +    // we also make the warehouse location qualified.
    +    if (db == SessionCatalog.DEFAULT_DATABASE) {
    --- End diff --
    
    I think if we create an default  instance  of `CatalogDatabase`, we will 
add more logic to other interfaces, such as `databaseExists` ,we need to add 
the logic that  if it is default database, we always return true even if there 
is no default database in hive.


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org

Reply via email to