/*
* 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.sanity;
import com.facebook.presto.Session;
import com.facebook.presto.metadata.Metadata;
import com.facebook.presto.spi.type.Type;
import com.facebook.presto.sql.parser.SqlParser;
import com.facebook.presto.sql.planner.Symbol;
import com.facebook.presto.sql.planner.plan.PlanNode;
import com.google.common.collect.ImmutableList;
import java.util.List;
import java.util.Map;
/**
* It is going to be executed at the end of logical planner, to verify its correctness
*/
public final class PlanSanityChecker
{
private static final List<Checker> CHECKERS = ImmutableList.of(
new ValidateDependenciesChecker(),
new TypeValidator(),
new NoSubqueryExpressionLeftChecker(),
new NoDuplicatePlanNodeIdsChecker(),
new NoApplyNodeLeftChecker(),
new VerifyNoFilteredAggregations(),
new VerifyOnlyOneOutputNode());
private PlanSanityChecker() {}
public static void validate(PlanNode planNode, Session session, Metadata metadata, SqlParser sqlParser, Map<Symbol, Type> types)
{
CHECKERS.forEach(checker -> checker.validate(planNode, session, metadata, sqlParser, types));
}
public interface Checker
{
void validate(PlanNode planNode, Session session, Metadata metadata, SqlParser sqlParser, Map<Symbol, Type> types);
}
}