io.trino.operator.table.json.execution.OrdinalityColumn 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.operator.table.json.execution;
import com.fasterxml.jackson.databind.JsonNode;
import io.trino.spi.Page;
public class OrdinalityColumn
implements Column
{
private final int outputIndex;
public OrdinalityColumn(int outputIndex)
{
this.outputIndex = outputIndex;
}
@Override
public Object evaluate(long sequentialNumber, JsonNode item, Page input, int position)
{
return sequentialNumber;
}
@Override
public int getOutputIndex()
{
return outputIndex;
}
}