io.trino.sql.planner.sanity.TableExecuteStructureValidator 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.plan.ExchangeNode;
import io.trino.sql.planner.plan.OutputNode;
import io.trino.sql.planner.plan.PlanNode;
import io.trino.sql.planner.plan.ProjectNode;
import io.trino.sql.planner.plan.TableExecuteNode;
import io.trino.sql.planner.plan.TableFinishNode;
import io.trino.sql.planner.plan.TableScanNode;
import java.util.Optional;
import static io.trino.sql.planner.optimizations.PlanNodeSearcher.searchFrom;
public class TableExecuteStructureValidator
implements PlanSanityChecker.Checker
{
@Override
public void validate(PlanNode planNode,
Session session,
PlannerContext plannerContext,
WarningCollector warningCollector)
{
Optional tableExecuteNode = searchFrom(planNode)
.where(node -> node instanceof TableExecuteNode)
.findFirst();
if (tableExecuteNode.isEmpty()) {
// we are good; not a TableExecute plan
return;
}
searchFrom(planNode)
.findAll()
.forEach(node -> {
if (!isAllowedNode(node)) {
throw new IllegalStateException("Unexpected " + node.getClass().getSimpleName() + " found in plan; probably connector was not able to handle provided WHERE expression");
}
});
}
private boolean isAllowedNode(PlanNode node)
{
return node instanceof TableScanNode
|| node instanceof ProjectNode
|| node instanceof TableExecuteNode
|| node instanceof OutputNode
|| node instanceof ExchangeNode
|| node instanceof TableFinishNode;
}
}