amaliujia commented on code in PR #36586:
URL: https://github.com/apache/spark/pull/36586#discussion_r880816481
##########
sql/core/src/main/scala/org/apache/spark/sql/internal/CatalogImpl.scala:
##########
@@ -117,14 +128,42 @@ class CatalogImpl(sparkSession: SparkSession) extends
Catalog {
case NonFatal(_) => None
}
val isTemp = sessionCatalog.isTempView(tableIdent)
+ val qualifier =
+
Array(metadata.map(_.identifier.database).getOrElse(tableIdent.database).orNull)
Review Comment:
```
/**
* Identifies a table in a database.
* If `database` is not defined, the current database is used.
* When we register a permanent function in the FunctionRegistry, we use
* unquotedString as the function name.
*/
case class TableIdentifier(table: String, database: Option[String])
extends IdentifierWithDatabase {
override val identifier: String = table
def this(table: String) = this(table, None)
}
```
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