io.trino.sql.planner.sanity.NoDuplicatePlanNodeIdsChecker 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.sql.planner.sanity;
import io.trino.Session;
import io.trino.execution.warnings.WarningCollector;
import io.trino.sql.PlannerContext;
import io.trino.sql.planner.TypeAnalyzer;
import io.trino.sql.planner.TypeProvider;
import io.trino.sql.planner.plan.PlanNode;
import io.trino.sql.planner.plan.PlanNodeId;
import java.util.HashMap;
import java.util.Map;
import static com.google.common.base.Preconditions.checkArgument;
import static io.trino.sql.planner.optimizations.PlanNodeSearcher.searchFrom;
import static java.lang.String.format;
import static java.util.Objects.requireNonNull;
public class NoDuplicatePlanNodeIdsChecker
implements PlanSanityChecker.Checker
{
@Override
public void validate(
PlanNode planNode,
Session session,
PlannerContext plannerContext,
TypeAnalyzer typeAnalyzer,
TypeProvider types,
WarningCollector warningCollector)
{
Map planNodeIds = new HashMap<>();
searchFrom(planNode)
.findAll()
.forEach(node -> planNodeIds.merge(node.getId(), node, this::reportDuplicateId));
}
private PlanNode reportDuplicateId(PlanNode first, PlanNode second)
{
requireNonNull(first, "first is null");
requireNonNull(second, "second is null");
checkArgument(first.getId().equals(second.getId()));
throw new IllegalStateException(format(
"Generated plan contains nodes with duplicated id %s: %s and %s",
first.getId(),
first,
second));
}
}