Backport to branch(3) : Fix to not drop the metadata table when renaming table (#3078)

feeblefakie · KodaiD · web-flow · commit 200f28b6133b · 2025-10-21T19:49:21.000+09:00
Co-authored-by: Kodai Doki &lt;52027276+KodaiD@users.noreply.github.com&gt;
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminCaseSensitivityIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminCaseSensitivityIntegrationTest.java
@@ -101,4 +101,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cassandra does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cassandra does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/cassandra/CassandraAdminIntegrationTest.java
@@ -100,4 +100,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cassandra does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cassandra does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cassandra/ConsensusCommitAdminIntegrationTestWithCassandra.java b/core/src/integration-test/java/com/scalar/db/storage/cassandra/ConsensusCommitAdminIntegrationTestWithCassandra.java
@@ -118,4 +118,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cassandra does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cassandra does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cassandra/SingleCrudOperationTransactionAdminIntegrationTestWithCassandra.java b/core/src/integration-test/java/com/scalar/db/storage/cassandra/SingleCrudOperationTransactionAdminIntegrationTestWithCassandra.java
@@ -105,4 +105,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cassandra does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cassandra does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cosmos/ConsensusCommitAdminIntegrationTestWithCosmos.java b/core/src/integration-test/java/com/scalar/db/storage/cosmos/ConsensusCommitAdminIntegrationTestWithCosmos.java
@@ -113,4 +113,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cosmos DB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cosmos DB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminCaseSensitivityIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminCaseSensitivityIntegrationTest.java
@@ -98,4 +98,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cosmos DB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cosmos DB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/cosmos/CosmosAdminIntegrationTest.java
@@ -97,4 +97,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cosmos DB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cosmos DB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/cosmos/SingleCrudOperationTransactionAdminIntegrationTestWithCosmos.java b/core/src/integration-test/java/com/scalar/db/storage/cosmos/SingleCrudOperationTransactionAdminIntegrationTestWithCosmos.java
@@ -98,4 +98,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("Cosmos DB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("Cosmos DB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/dynamo/ConsensusCommitAdminIntegrationTestWithDynamo.java b/core/src/integration-test/java/com/scalar/db/storage/dynamo/ConsensusCommitAdminIntegrationTestWithDynamo.java
@@ -167,4 +167,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("DynamoDB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("DynamoDB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminCaseSensitivityIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminCaseSensitivityIntegrationTest.java
@@ -152,4 +152,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("DynamoDB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("DynamoDB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminIntegrationTest.java b/core/src/integration-test/java/com/scalar/db/storage/dynamo/DynamoAdminIntegrationTest.java
@@ -151,4 +151,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("DynamoDB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("DynamoDB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/integration-test/java/com/scalar/db/storage/dynamo/SingleCrudOperationTransactionAdminIntegrationTestWithDynamo.java b/core/src/integration-test/java/com/scalar/db/storage/dynamo/SingleCrudOperationTransactionAdminIntegrationTestWithDynamo.java
@@ -152,4 +152,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx
   @Override
   @Disabled("DynamoDB does not support renaming tables")
   public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}
+
+  @Override
+  @Disabled("DynamoDB does not support renaming tables")
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}
 }
diff --git a/core/src/main/java/com/scalar/db/storage/jdbc/JdbcAdmin.java b/core/src/main/java/com/scalar/db/storage/jdbc/JdbcAdmin.java
@@ -309,7 +309,7 @@ private String computeBooleanValue(boolean value) {
   public void dropTable(String namespace, String table) throws ExecutionException {
     try (Connection connection = dataSource.getConnection()) {
       dropTableInternal(connection, namespace, table);
-      deleteTableMetadata(connection, namespace, table);
+      deleteTableMetadata(connection, namespace, table, true);
     } catch (SQLException e) {
       throw new ExecutionException(
           "Dropping the table failed: " + getFullTableName(namespace, table), e);
@@ -322,11 +322,14 @@ private void dropTableInternal(Connection connection, String schema, String tabl
     execute(connection, dropTableStatement);
   }
 
-  private void deleteTableMetadata(Connection connection, String namespace, String table)
+  private void deleteTableMetadata(
+      Connection connection, String namespace, String table, boolean deleteMetadataTableIfEmpty)
       throws SQLException {
     try {
       execute(connection, getDeleteTableMetadataStatement(namespace, table));
-      deleteMetadataSchemaAndTableIfEmpty(connection);
+      if (deleteMetadataTableIfEmpty) {
+        deleteMetadataSchemaAndTableIfEmpty(connection);
+      }
     } catch (SQLException e) {
       if (e.getMessage().contains("Unknown table") || e.getMessage().contains("does not exist")) {
         return;
@@ -906,7 +909,7 @@ public void renameTable(String namespace, String oldTableName, String newTableNa
       String renameTableStatement = rdbEngine.renameTableSql(namespace, oldTableName, newTableName);
       try (Connection connection = dataSource.getConnection()) {
         execute(connection, renameTableStatement);
-        deleteTableMetadata(connection, namespace, oldTableName);
+        deleteTableMetadata(connection, namespace, oldTableName, false);
         for (String indexedColumnName : tableMetadata.getSecondaryIndexNames()) {
           String oldIndexName = getIndexName(namespace, oldTableName, indexedColumnName);
           String newIndexName = getIndexName(namespace, newTableName, indexedColumnName);
diff --git a/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTestBase.java b/core/src/test/java/com/scalar/db/storage/jdbc/JdbcAdminTestBase.java
@@ -3294,7 +3294,6 @@ public void renameTable_ForMysql_ShouldWorkProperly() throws SQLException, Execu
         "DELETE FROM `"
             + tableMetadataSchemaName
             + "`.`metadata` WHERE `full_table_name` = 'ns.table'",
-        "SELECT DISTINCT `full_table_name` FROM `" + tableMetadataSchemaName + "`.`metadata`",
         "INSERT INTO `"
             + tableMetadataSchemaName
             + "`.`metadata` VALUES ('ns.table_new','c1','TEXT','PARTITION',NULL,false,1)",
@@ -3314,7 +3313,6 @@ public void renameTable_ForOracle_ShouldWorkProperly() throws SQLException, Exec
         "DELETE FROM \""
             + tableMetadataSchemaName
             + "\".\"metadata\" WHERE \"full_table_name\" = 'ns.table'",
-        "SELECT DISTINCT \"full_table_name\" FROM \"" + tableMetadataSchemaName + "\".\"metadata\"",
         "INSERT INTO \""
             + tableMetadataSchemaName
             + "\".\"metadata\" VALUES ('ns.table_new','c1','TEXT','PARTITION',NULL,0,1)",
@@ -3335,7 +3333,6 @@ public void renameTable_ForPostgresql_ShouldWorkProperly()
         "DELETE FROM \""
             + tableMetadataSchemaName
             + "\".\"metadata\" WHERE \"full_table_name\" = 'ns.table'",
-        "SELECT DISTINCT \"full_table_name\" FROM \"" + tableMetadataSchemaName + "\".\"metadata\"",
         "INSERT INTO \""
             + tableMetadataSchemaName
             + "\".\"metadata\" VALUES ('ns.table_new','c1','TEXT','PARTITION',NULL,false,1)",
@@ -3356,7 +3353,6 @@ public void renameTable_ForSqlServer_ShouldWorkProperly()
         "DELETE FROM ["
             + tableMetadataSchemaName
             + "].[metadata] WHERE [full_table_name] = 'ns.table'",
-        "SELECT DISTINCT [full_table_name] FROM [" + tableMetadataSchemaName + "].[metadata]",
         "INSERT INTO ["
             + tableMetadataSchemaName
             + "].[metadata] VALUES ('ns.table_new','c1','TEXT','PARTITION',NULL,0,1)",
@@ -3376,7 +3372,6 @@ public void renameTable_ForSqlite_ShouldWorkProperly() throws SQLException, Exec
         "DELETE FROM \""
             + tableMetadataSchemaName
             + "$metadata\" WHERE \"full_table_name\" = 'ns.table'",
-        "SELECT DISTINCT \"full_table_name\" FROM \"" + tableMetadataSchemaName + "$metadata\"",
         "INSERT INTO \""
             + tableMetadataSchemaName
             + "$metadata\" VALUES ('ns.table_new','c1','TEXT','PARTITION',NULL,FALSE,1)",
@@ -3396,7 +3391,6 @@ public void renameTable_ForDb2_ShouldWorkProperly() throws SQLException, Executi
         "DELETE FROM \""
             + tableMetadataSchemaName
             + "\".\"metadata\" WHERE \"full_table_name\" = 'ns.table'",
-        "SELECT DISTINCT \"full_table_name\" FROM \"" + tableMetadataSchemaName + "\".\"metadata\"",
         "INSERT INTO \""
             + tableMetadataSchemaName
             + "\".\"metadata\" VALUES ('ns.table_new','c1','TEXT','PARTITION',NULL,false,1)",
diff --git a/integration-test/src/main/java/com/scalar/db/api/DistributedStorageAdminIntegrationTestBase.java b/integration-test/src/main/java/com/scalar/db/api/DistributedStorageAdminIntegrationTestBase.java
@@ -1545,6 +1545,36 @@ public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesC
     }
   }
 
+  @Test
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly()
+      throws ExecutionException {
+    String newTableName = "new" + getTable4();
+    try {
+      // Arrange
+      admin.createNamespace(namespace3);
+      Map<String, String> options = getCreationOptions();
+      TableMetadata tableMetadata =
+          TableMetadata.newBuilder()
+              .addColumn(getColumnName1(), DataType.INT)
+              .addColumn(getColumnName2(), DataType.INT)
+              .addPartitionKey(getColumnName1())
+              .build();
+      admin.createTable(namespace3, getTable4(), tableMetadata, options);
+
+      // Act
+      admin.renameTable(namespace3, getTable4(), newTableName);
+
+      // Assert
+      assertThat(admin.tableExists(namespace3, getTable4())).isFalse();
+      assertThat(admin.tableExists(namespace3, newTableName)).isTrue();
+      assertThat(admin.getTableMetadata(namespace3, newTableName)).isEqualTo(tableMetadata);
+    } finally {
+      admin.dropTable(namespace3, getTable4(), true);
+      admin.dropTable(namespace3, newTableName, true);
+      admin.dropNamespace(namespace3, true);
+    }
+  }
+
   @Test
   public void alterColumnType_ForNonExistingTable_ShouldThrowIllegalArgumentException() {
     // Arrange
diff --git a/integration-test/src/main/java/com/scalar/db/api/DistributedTransactionAdminIntegrationTestBase.java b/integration-test/src/main/java/com/scalar/db/api/DistributedTransactionAdminIntegrationTestBase.java
@@ -1485,6 +1485,36 @@ public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesC
     }
   }
 
+  @Test
+  public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly()
+      throws ExecutionException {
+    String newTableName = "new" + TABLE4;
+    try {
+      // Arrange
+      admin.createNamespace(namespace3);
+      Map<String, String> options = getCreationOptions();
+      TableMetadata tableMetadata =
+          TableMetadata.newBuilder()
+              .addColumn("c1", DataType.INT)
+              .addColumn("c2", DataType.INT)
+              .addPartitionKey("c1")
+              .build();
+      admin.createTable(namespace3, TABLE4, tableMetadata, options);
+
+      // Act
+      admin.renameTable(namespace3, TABLE4, newTableName);
+
+      // Assert
+      assertThat(admin.tableExists(namespace3, TABLE4)).isFalse();
+      assertThat(admin.tableExists(namespace3, newTableName)).isTrue();
+      assertThat(admin.getTableMetadata(namespace3, newTableName)).isEqualTo(tableMetadata);
+    } finally {
+      admin.dropTable(namespace3, TABLE4, true);
+      admin.dropTable(namespace3, newTableName, true);
+      admin.dropNamespace(namespace3, true);
+    }
+  }
+
   @Test
   public void createCoordinatorTables_ShouldCreateCoordinatorTablesCorrectly()
       throws ExecutionException {

Original file line number	Diff line number	Diff line change
`@@ -101,4 +101,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`101`	`101`	`@Override`
`102`	`102`	`@Disabled("Cassandra does not support renaming tables")`
`103`	`103`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`104`	`+`
	`105`	`+ @Override`
	`106`	`+ @Disabled("Cassandra does not support renaming tables")`
	`107`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`104`	`108`	`}`
Original file line number	Diff line number	Diff line change
`@@ -100,4 +100,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`100`	`100`	`@Override`
`101`	`101`	`@Disabled("Cassandra does not support renaming tables")`
`102`	`102`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`103`	`+`
	`104`	`+ @Override`
	`105`	`+ @Disabled("Cassandra does not support renaming tables")`
	`106`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`103`	`107`	`}`
Original file line number	Diff line number	Diff line change
`@@ -118,4 +118,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`118`	`118`	`@Override`
`119`	`119`	`@Disabled("Cassandra does not support renaming tables")`
`120`	`120`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`121`	`+`
	`122`	`+ @Override`
	`123`	`+ @Disabled("Cassandra does not support renaming tables")`
	`124`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`121`	`125`	`}`
Original file line number	Diff line number	Diff line change
`@@ -105,4 +105,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`105`	`105`	`@Override`
`106`	`106`	`@Disabled("Cassandra does not support renaming tables")`
`107`	`107`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`108`	`+`
	`109`	`+ @Override`
	`110`	`+ @Disabled("Cassandra does not support renaming tables")`
	`111`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`108`	`112`	`}`
Original file line number	Diff line number	Diff line change
`@@ -113,4 +113,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`113`	`113`	`@Override`
`114`	`114`	`@Disabled("Cosmos DB does not support renaming tables")`
`115`	`115`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`116`	`+`
	`117`	`+ @Override`
	`118`	`+ @Disabled("Cosmos DB does not support renaming tables")`
	`119`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`116`	`120`	`}`
Original file line number	Diff line number	Diff line change
`@@ -98,4 +98,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`98`	`98`	`@Override`
`99`	`99`	`@Disabled("Cosmos DB does not support renaming tables")`
`100`	`100`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`101`	`+`
	`102`	`+ @Override`
	`103`	`+ @Disabled("Cosmos DB does not support renaming tables")`
	`104`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`101`	`105`	`}`
Original file line number	Diff line number	Diff line change
`@@ -97,4 +97,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`97`	`97`	`@Override`
`98`	`98`	`@Disabled("Cosmos DB does not support renaming tables")`
`99`	`99`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`100`	`+`
	`101`	`+ @Override`
	`102`	`+ @Disabled("Cosmos DB does not support renaming tables")`
	`103`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`100`	`104`	`}`
Original file line number	Diff line number	Diff line change
`@@ -167,4 +167,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`167`	`167`	`@Override`
`168`	`168`	`@Disabled("DynamoDB does not support renaming tables")`
`169`	`169`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`170`	`+`
	`171`	`+ @Override`
	`172`	`+ @Disabled("DynamoDB does not support renaming tables")`
	`173`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`170`	`174`	`}`
Original file line number	Diff line number	Diff line change
`@@ -152,4 +152,8 @@ public void renameTable_IfNewTableNameAlreadyExists_ShouldThrowIllegalArgumentEx`
`152`	`152`	`@Override`
`153`	`153`	`@Disabled("DynamoDB does not support renaming tables")`
`154`	`154`	`public void renameTable_ForExistingTableWithIndexes_ShouldRenameTableAndIndexesCorrectly() {}`
	`155`	`+`
	`156`	`+ @Override`
	`157`	`+ @Disabled("DynamoDB does not support renaming tables")`
	`158`	`+ public void renameTable_IfOnlyOneTableExists_ShouldRenameTableCorrectly() {}`
`155`	`159`	`}`