io.trino.connector.system.SystemTablesProvider Maven / Gradle / Ivy
/*
* 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.trino.connector.system;
import io.trino.spi.connector.ConnectorSession;
import io.trino.spi.connector.SchemaTableName;
import io.trino.spi.connector.SystemTable;
import java.util.Optional;
import java.util.Set;
public interface SystemTablesProvider
{
Set listSystemTables(ConnectorSession session);
/**
* Resolves table name. Returns {@link Optional#empty()} if table is not found.
* Some tables which are not part of set returned by {@link #listSystemTables(ConnectorSession)}
* can still be validly resolved.
*/
Optional getSystemTable(ConnectorSession session, SchemaTableName tableName);
}