diff options
Diffstat (limited to 'sql')
| -rw-r--r-- | sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala index 0d05d9808b..616f1e2ecb 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala @@ -113,11 +113,12 @@ trait OverrideCatalog extends Catalog { alias: Option[String] = None): LogicalPlan = { val (dbName, tblName) = processDatabaseAndTableName(databaseName, tableName) val overriddenTable = overrides.get((dbName, tblName)) + val tableWithQualifers = overriddenTable.map(r => Subquery(tblName, r)) // If an alias was specified by the lookup, wrap the plan in a subquery so that attributes are // properly qualified with this alias. val withAlias = - overriddenTable.map(r => alias.map(a => Subquery(a, r)).getOrElse(r)) + tableWithQualifers.map(r => alias.map(a => Subquery(a, r)).getOrElse(r)) withAlias.getOrElse(super.lookupRelation(dbName, tblName, alias)) } |