io.trino.plugin.tpch.TpchPageSourceProvider 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.plugin.tpch;
import io.trino.spi.connector.ColumnHandle;
import io.trino.spi.connector.ConnectorPageSource;
import io.trino.spi.connector.ConnectorPageSourceProvider;
import io.trino.spi.connector.ConnectorSession;
import io.trino.spi.connector.ConnectorSplit;
import io.trino.spi.connector.ConnectorTableHandle;
import io.trino.spi.connector.ConnectorTransactionHandle;
import io.trino.spi.connector.DynamicFilter;
import java.util.List;
public class TpchPageSourceProvider
implements ConnectorPageSourceProvider
{
private final TpchRecordSetProvider tpchRecordSetProvider;
private final int maxRowsPerPage;
TpchPageSourceProvider(int maxRowsPerPage, DecimalTypeMapping decimalTypeMapping)
{
this.tpchRecordSetProvider = new TpchRecordSetProvider(decimalTypeMapping);
this.maxRowsPerPage = maxRowsPerPage;
}
@Override
public ConnectorPageSource createPageSource(
ConnectorTransactionHandle transaction,
ConnectorSession session,
ConnectorSplit split,
ConnectorTableHandle table,
List columns,
DynamicFilter dynamicFilter)
{
return new LazyRecordPageSource(maxRowsPerPage, tpchRecordSetProvider.getRecordSet(transaction, session, split, table, columns));
}
}