com.qubole.quark.planner.QuarkViewScan Maven / Gradle / Ivy
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/*
* Copyright (c) 2015. Qubole Inc
* 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.qubole.quark.planner;
import org.apache.calcite.plan.RelOptCluster;
import org.apache.calcite.plan.RelOptCost;
import org.apache.calcite.plan.RelOptPlanner;
import org.apache.calcite.plan.RelOptTable;
import org.apache.calcite.rel.metadata.RelMetadataQuery;
/**
* Created by amoghm on 7/9/15.
*/
public class QuarkViewScan extends QuarkTableScan {
protected QuarkViewScan(RelOptCluster cluster, RelOptTable table,
QuarkViewTable quarkTable) {
super(cluster, table, quarkTable);
}
@Override
public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
return planner.getCostFactory().makeZeroCost();
}
}