/*
 * 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.connector.system.jdbc;

import com.facebook.presto.spi.ConnectorSession;
import com.facebook.presto.spi.ConnectorTableMetadata;
import com.facebook.presto.spi.InMemoryRecordSet;
import com.facebook.presto.spi.RecordCursor;
import com.facebook.presto.spi.SchemaTableName;
import com.facebook.presto.spi.connector.ConnectorTransactionHandle;
import com.facebook.presto.spi.predicate.TupleDomain;

import static com.facebook.presto.metadata.MetadataUtil.TableMetadataBuilder.tableMetadataBuilder;
import static com.facebook.presto.spi.type.VarcharType.createUnboundedVarcharType;

public class SuperTypeJdbcTable
        extends JdbcTable
{
    public static final SchemaTableName NAME = new SchemaTableName("jdbc", "super_types");

    public static final ConnectorTableMetadata METADATA = tableMetadataBuilder(NAME)
            .column("type_cat", createUnboundedVarcharType())
            .column("type_schem", createUnboundedVarcharType())
            .column("type_name", createUnboundedVarcharType())
            .column("supertype_cat", createUnboundedVarcharType())
            .column("supertype_schem", createUnboundedVarcharType())
            .column("supertype_name", createUnboundedVarcharType())
            .build();

    @Override
    public ConnectorTableMetadata getTableMetadata()
    {
        return METADATA;
    }

    @Override
    public RecordCursor cursor(ConnectorTransactionHandle transactionHandle, ConnectorSession session, TupleDomain<Integer> constraint)
    {
        return InMemoryRecordSet.builder(METADATA).build().cursor();
    }
}
