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/*
* 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 io.prestosql.plugin.hive.metastore;
import io.prestosql.plugin.hive.HivePartition;
import io.prestosql.plugin.hive.HiveType;
import io.prestosql.plugin.hive.PartitionStatistics;
import io.prestosql.plugin.hive.authentication.HiveIdentity;
import io.prestosql.spi.connector.SchemaTableName;
import io.prestosql.spi.predicate.TupleDomain;
import io.prestosql.spi.security.RoleGrant;
import io.prestosql.spi.statistics.ColumnStatisticType;
import io.prestosql.spi.type.Type;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
public interface HiveMetastore
{
Optional getDatabase(String databaseName);
List getAllDatabases();
Optional
getTable(HiveIdentity identity, String databaseName, String tableName);
Set getSupportedColumnStatistics(Type type);
PartitionStatistics getTableStatistics(HiveIdentity identity, Table table);
Map getPartitionStatistics(HiveIdentity identity, Table table, List partitions);
void updateTableStatistics(HiveIdentity identity, String databaseName, String tableName, Function update);
void updatePartitionStatistics(HiveIdentity identity, Table table, String partitionName, Function update);
List getAllTables(String databaseName);
List getTablesWithParameter(String databaseName, String parameterKey, String parameterValue);
List getAllViews(String databaseName);
void createDatabase(HiveIdentity identity, Database database);
void dropDatabase(HiveIdentity identity, String databaseName);
void renameDatabase(HiveIdentity identity, String databaseName, String newDatabaseName);
void setDatabaseOwner(HiveIdentity identity, String databaseName, HivePrincipal principal);
void createTable(HiveIdentity identity, Table table, PrincipalPrivileges principalPrivileges);
void dropTable(HiveIdentity identity, 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(HiveIdentity identity, String databaseName, String tableName, Table newTable, PrincipalPrivileges principalPrivileges);
void renameTable(HiveIdentity identity, String databaseName, String tableName, String newDatabaseName, String newTableName);
void commentTable(HiveIdentity identity, String databaseName, String tableName, Optional comment);
void commentColumn(HiveIdentity identity, String databaseName, String tableName, String columnName, Optional comment);
void addColumn(HiveIdentity identity, String databaseName, String tableName, String columnName, HiveType columnType, String columnComment);
void renameColumn(HiveIdentity identity, String databaseName, String tableName, String oldColumnName, String newColumnName);
void dropColumn(HiveIdentity identity, String databaseName, String tableName, String columnName);
Optional getPartition(HiveIdentity identity, Table table, List partitionValues);
/**
* return a list of partition names where partitionKeysFilter is used as a hint to each implementation.
*
* @param databaseName the name of the database
* @param tableName the name of the table
* @param columnNames the list of partition column names
* @param partitionKeysFilter map of filters (Domain) for each partition column
* @return optionally, a list of strings where each entry is in the form of {key}={value}
* @see TupleDomain
*/
Optional> getPartitionNamesByFilter(HiveIdentity identity, String databaseName, String tableName, List columnNames, TupleDomain partitionKeysFilter);
Map> getPartitionsByNames(HiveIdentity identity, Table table, List partitionNames);
void addPartitions(HiveIdentity identity, String databaseName, String tableName, List partitions);
void dropPartition(HiveIdentity identity, String databaseName, String tableName, List parts, boolean deleteData);
void alterPartition(HiveIdentity identity, String databaseName, String tableName, PartitionWithStatistics partition);
void createRole(String role, String grantor);
void dropRole(String role);
Set listRoles();
void grantRoles(Set roles, Set grantees, boolean adminOption, HivePrincipal grantor);
void revokeRoles(Set roles, Set grantees, boolean adminOption, HivePrincipal grantor);
Set listGrantedPrincipals(String role);
Set listRoleGrants(HivePrincipal principal);
void grantTablePrivileges(String databaseName, String tableName, String tableOwner, HivePrincipal grantee, Set privileges);
void revokeTablePrivileges(String databaseName, String tableName, String tableOwner, HivePrincipal grantee, Set privileges);
/**
* @param principal when empty, all table privileges are returned
*/
Set listTablePrivileges(String databaseName, String tableName, String tableOwner, Optional principal);
boolean isImpersonationEnabled();
default long openTransaction(HiveIdentity identity)
{
throw new UnsupportedOperationException();
}
default void commitTransaction(HiveIdentity identity, long transactionId)
{
throw new UnsupportedOperationException();
}
default void sendTransactionHeartbeat(HiveIdentity identity, long transactionId)
{
throw new UnsupportedOperationException();
}
default void acquireSharedReadLock(HiveIdentity identity, String queryId, long transactionId, List fullTables, List partitions)
{
throw new UnsupportedOperationException();
}
default String getValidWriteIds(HiveIdentity identity, List tables, long currentTransactionId)
{
throw new UnsupportedOperationException();
}
default Optional getConfigValue(String name)
{
return Optional.empty();
}
}
