Package com.facebook.presto.tpch.testing

Source Code of com.facebook.presto.tpch.testing.SampledTpchMetadata

/*
* 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.tpch.testing;

import com.facebook.presto.spi.ConnectorColumnHandle;
import com.facebook.presto.spi.ConnectorTableHandle;
import com.facebook.presto.tpch.TpchColumnHandle;
import com.facebook.presto.tpch.TpchMetadata;

import static com.facebook.presto.spi.type.BigintType.BIGINT;

public class SampledTpchMetadata
        extends TpchMetadata
{
    public static final String SAMPLE_WEIGHT_COLUMN_NAME = "$sampleWeight";
    public static final int SAMPLE_WEIGHT_COLUMN_INDEX = 999;

    public SampledTpchMetadata(String connectorId)
    {
        super(connectorId);
    }

    @Override
    public ConnectorColumnHandle getSampleWeightColumnHandle(ConnectorTableHandle tableHandle)
    {
        return new TpchColumnHandle(SAMPLE_WEIGHT_COLUMN_NAME, SAMPLE_WEIGHT_COLUMN_INDEX, BIGINT);
    }
}
TOP

Related Classes of com.facebook.presto.tpch.testing.SampledTpchMetadata

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.