fix a few tests

Author: arthurpassos

src/Storages/MergeTree/MergeTreeData.cpp

@@ -5906,9 +5906,11 @@ void MergeTreeData::exportPartToTable(const PartitionCommand & command, ContextP
             "Exporting merge tree part is experimental. Set `allow_experimental_export_merge_tree_part` to enable it");
     }
 
-    auto part_name = command.partition->as<ASTLiteral &>().value.safeGet<String>();
+    const auto part_name = command.partition->as<ASTLiteral &>().value.safeGet<String>();
 
-    exportPartToTable(part_name, StorageID{command.to_database, command.to_table}, query_context);
+    const auto database_name = query_context->resolveDatabase(command.to_database);
+
+    exportPartToTable(part_name, StorageID{database_name, command.to_table}, query_context);
 }
 
 void MergeTreeData::exportPartToTable(

tests/queries/0_stateless/01271_show_privileges.reference

@@ -44,6 +44,7 @@ ALTER MATERIALIZE TTL	['MATERIALIZE TTL']	TABLE	ALTER TABLE
 ALTER SETTINGS	['ALTER SETTING','ALTER MODIFY SETTING','MODIFY SETTING','RESET SETTING']	TABLE	ALTER TABLE
 ALTER MOVE PARTITION	['ALTER MOVE PART','MOVE PARTITION','MOVE PART']	TABLE	ALTER TABLE
 ALTER EXPORT PART	['ALTER EXPORT PART','EXPORT PART']	TABLE	ALTER TABLE
+ALTER EXPORT PARTITION	['ALTER EXPORT PARTITION','EXPORT PARTITION']	TABLE	ALTER TABLE
 ALTER FETCH PARTITION	['ALTER FETCH PART','FETCH PARTITION']	TABLE	ALTER TABLE
 ALTER FREEZE PARTITION	['FREEZE PARTITION','UNFREEZE']	TABLE	ALTER TABLE
 ALTER UNLOCK SNAPSHOT	['UNLOCK SNAPSHOT']	TABLE	ALTER TABLE

tests/queries/0_stateless/02221_system_zookeeper_unrestricted.reference

@@ -18,6 +18,8 @@ columns
 columns
 creator_info
 creator_info
+exports
+exports
 failed_parts
 failed_parts
 flags

tests/queries/0_stateless/02221_system_zookeeper_unrestricted_like.reference

@@ -51,6 +51,7 @@ blocks
 columns
 columns
 creator_info
+exports
 failed_parts
 flags
 host