-
Notifications
You must be signed in to change notification settings - Fork 4.6k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
HIVE-25816: Log CBO plan after rule application for debugging purpose…
…s (Stamatis Zampetakis, reviewed by Krisztian Kasa) Closes #2887
- Loading branch information
Showing
4 changed files
with
102 additions
and
3 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
82 changes: 82 additions & 0 deletions
82
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/RuleEventLogger.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| /* | ||
| * 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.hadoop.hive.ql.optimizer.calcite; | ||
|
|
||
| import org.apache.calcite.plan.RelOptListener; | ||
| import org.apache.calcite.plan.RelOptRuleCall; | ||
| import org.apache.calcite.plan.RelOptUtil; | ||
| import org.apache.calcite.rel.RelNode; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.slf4j.Marker; | ||
| import org.slf4j.MarkerFactory; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * Listener for logging useful debugging information on certain rule events. | ||
| */ | ||
| public class RuleEventLogger implements RelOptListener { | ||
| private static final Logger LOG = LoggerFactory.getLogger(RuleEventLogger.class.getName()); | ||
| private static final Marker FULL = MarkerFactory.getMarker("FULL_PLAN"); | ||
|
|
||
| public RuleEventLogger() { | ||
| if (Bug.CALCITE_4704_FIXED) { | ||
| throw new IllegalStateException("Class redundant after fix is merged into Calcite"); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void relEquivalenceFound(final RelEquivalenceEvent event) { | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| public void ruleAttempted(final RuleAttemptedEvent event) { | ||
| if (event.isBefore() && LOG.isDebugEnabled()) { | ||
| RelOptRuleCall call = event.getRuleCall(); | ||
| String ruleArgs = Arrays.stream(call.rels).map(rel -> "rel#" + rel.getId() + ":" + rel.getRelTypeName()) | ||
| .collect(Collectors.joining(",")); | ||
| LOG.debug("call#{}: Apply rule [{}] to [{}]", call.id, call.getRule(), ruleArgs); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void ruleProductionSucceeded(RuleProductionEvent event) { | ||
| if (event.isBefore() && LOG.isDebugEnabled()) { | ||
| RelOptRuleCall call = event.getRuleCall(); | ||
| RelNode newRel = event.getRel(); | ||
| String description = newRel == null ? "null" : "rel#" + newRel.getId() + ":" + newRel.getRelTypeName(); | ||
| LOG.debug("call#{}: Rule [{}] produced [{}]", call.id, call.getRule(), description); | ||
| if (newRel != null) { | ||
| LOG.debug(FULL, "call#{}: Full plan for [{}]:{}", call.id, description, | ||
| System.lineSeparator() + RelOptUtil.toString(newRel)); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void relDiscarded(final RelDiscardedEvent event) { | ||
|
|
||
| } | ||
|
|
||
| @Override | ||
| public void relChosen(final RelChosenEvent event) { | ||
|
|
||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters