/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.hive.metastore;
import com.facebook.presto.hive.HiveType;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
public interface ExtendedHiveMetastore
{
Optional<Database> getDatabase(String databaseName);
List<String> getAllDatabases();
Optional<Table> getTable(String databaseName, String tableName);
Optional<List<String>> getAllTables(String databaseName);
Optional<List<String>> getAllViews(String databaseName);
void createDatabase(Database database);
void dropDatabase(String databaseName);
void renameDatabase(String databaseName, String newDatabaseName);
void createTable(Table table, PrincipalPrivileges principalPrivileges);
void dropTable(String databaseName, String tableName, boolean deleteData);
/**
* This should only be used if the semantic here is drop and add. Trying to
* alter one field of a table object previously acquired from getTable is
* probably not what you want.
*/
void replaceTable(String databaseName, String tableName, Table newTable, PrincipalPrivileges principalPrivileges);
void renameTable(String databaseName, String tableName, String newDatabaseName, String newTableName);
void addColumn(String databaseName, String tableName, String columnName, HiveType columnType, String columnComment);
void renameColumn(String databaseName, String tableName, String oldColumnName, String newColumnName);
Optional<Partition> getPartition(String databaseName, String tableName, List<String> partitionValues);
Optional<List<String>> getPartitionNames(String databaseName, String tableName);
Optional<List<String>> getPartitionNamesByParts(String databaseName, String tableName, List<String> parts);
Map<String, Optional<Partition>> getPartitionsByNames(String databaseName, String tableName, List<String> partitionNames);
/**
* Adds partitions to the table in a single atomic task. The implementation
* must either add all partitions and return normally, or add no partitions and
* throw an exception.
*/
void addPartitions(String databaseName, String tableName, List<Partition> partitions);
void dropPartition(String databaseName, String tableName, List<String> parts, boolean deleteData);
void alterPartition(String databaseName, String tableName, Partition partition);
Set<String> getRoles(String user);
Set<HivePrivilegeInfo> getDatabasePrivileges(String user, String databaseName);
Set<HivePrivilegeInfo> getTablePrivileges(String user, String databaseName, String tableName);
void grantTablePrivileges(String databaseName, String tableName, String grantee, Set<HivePrivilegeInfo> privileges);
void revokeTablePrivileges(String databaseName, String tableName, String grantee, Set<HivePrivilegeInfo> privileges);
}