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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.drill.exec.planner.logical;
import org.apache.calcite.plan.RelTraitSet;
import org.apache.drill.common.logical.data.LogicalOperator;
import org.apache.drill.exec.planner.common.DrillFilterRelBase;
import org.apache.drill.exec.planner.torel.ConversionContext;
import org.apache.calcite.rel.InvalidRelException;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.plan.RelOptCluster;
import org.apache.calcite.rex.RexNode;
public class DrillFilterRel extends DrillFilterRelBase implements DrillRel {
public DrillFilterRel(RelOptCluster cluster, RelTraitSet traits, RelNode child, RexNode condition) {
super(DRILL_LOGICAL, cluster, traits, child, condition);
}
@Override
public org.apache.calcite.rel.core.Filter copy(RelTraitSet traitSet, RelNode input, RexNode condition) {
return new DrillFilterRel(getCluster(), traitSet, input, condition);
}
@Override
public LogicalOperator implement(DrillImplementor implementor) {
final LogicalOperator input = implementor.visitChild(this, 0, getInput());
org.apache.drill.common.logical.data.Filter f = new org.apache.drill.common.logical.data.Filter(getFilterExpression(implementor.getContext()));
f.setInput(input);
return f;
}
public static DrillFilterRel convert(org.apache.drill.common.logical.data.Filter filter, ConversionContext context) throws InvalidRelException{
RelNode input = context.toRel(filter.getInput());
return new DrillFilterRel(context.getCluster(), context.getLogicalTraits(), input, context.toRex(filter.getExpr()));
}
public static DrillFilterRel create(RelNode child, RexNode condition) {
return new DrillFilterRel(child.getCluster(), child.getTraitSet().plus(DRILL_LOGICAL), child, condition);
}
}
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