SpatialJoinMatcher.java
/*
* 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.sql.planner.assertions;
import com.facebook.presto.Session;
import com.facebook.presto.cost.StatsProvider;
import com.facebook.presto.metadata.Metadata;
import com.facebook.presto.spi.plan.PlanNode;
import com.facebook.presto.spi.plan.SpatialJoinNode;
import com.facebook.presto.spi.plan.SpatialJoinNode.Type;
import com.facebook.presto.sql.tree.Expression;
import java.util.Optional;
import static com.facebook.presto.sql.planner.assertions.MatchResult.NO_MATCH;
import static com.facebook.presto.sql.planner.assertions.MatchResult.match;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkState;
import static java.util.Objects.requireNonNull;
public class SpatialJoinMatcher
implements Matcher
{
private final Type type;
private final Expression filter;
private final Optional<String> kdbTree;
public SpatialJoinMatcher(Type type, Expression filter, Optional<String> kdbTree)
{
this.type = type;
this.filter = requireNonNull(filter, "filter can not be null");
this.kdbTree = requireNonNull(kdbTree, "kdbTree can not be null");
}
@Override
public boolean shapeMatches(PlanNode node)
{
if (!(node instanceof SpatialJoinNode)) {
return false;
}
SpatialJoinNode joinNode = (SpatialJoinNode) node;
return joinNode.getType() == type;
}
@Override
public MatchResult detailMatches(PlanNode node, StatsProvider stats, Session session, Metadata metadata, SymbolAliases symbolAliases)
{
checkState(shapeMatches(node), "Plan testing framework error: shapeMatches returned false in detailMatches in %s", this.getClass().getName());
SpatialJoinNode joinNode = (SpatialJoinNode) node;
if (!new RowExpressionVerifier(symbolAliases, metadata, session).process(filter, joinNode.getFilter())) {
return NO_MATCH;
}
if (!joinNode.getKdbTree().equals(kdbTree)) {
return NO_MATCH;
}
return match();
}
@Override
public String toString()
{
return toStringHelper(this)
.add("filter", filter)
.toString();
}
}