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[Feat](Nereids) support use cbo rule hint #35925
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47 changes: 47 additions & 0 deletions
47
fe/fe-core/src/main/java/org/apache/doris/nereids/hint/UseCboRuleHint.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // 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. | ||
|
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| package org.apache.doris.nereids.hint; | ||
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| /** | ||
| * rule hint. | ||
| */ | ||
| public class UseCboRuleHint extends Hint { | ||
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| private final boolean isNotUseCboRule; | ||
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| public UseCboRuleHint(String hintName, boolean isNotUseCboRule) { | ||
| super(hintName); | ||
| this.isNotUseCboRule = isNotUseCboRule; | ||
| } | ||
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| public boolean isNotUseCboRule() { | ||
| return isNotUseCboRule; | ||
| } | ||
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| @Override | ||
| public String getExplainString() { | ||
| StringBuilder out = new StringBuilder(); | ||
| if (isNotUseCboRule) { | ||
| out.append("no_use_"); | ||
| } else { | ||
| out.append("use_"); | ||
| } | ||
| out.append(getHintName()); | ||
| return out.toString(); | ||
| } | ||
| } |
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53 changes: 53 additions & 0 deletions
53
fe/fe-core/src/main/java/org/apache/doris/nereids/properties/SelectHintUseCboRule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // 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. | ||
|
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| package org.apache.doris.nereids.properties; | ||
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| import java.util.List; | ||
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| /** | ||
| * select hint CostBasedRule. | ||
| */ | ||
| public class SelectHintUseCboRule extends SelectHint { | ||
| private final List<String> parameters; | ||
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| private final boolean isNotUseCboRule; | ||
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| public SelectHintUseCboRule(String hintName, List<String> parameters, boolean isNotUseCboRule) { | ||
| super(hintName); | ||
| this.parameters = parameters; | ||
| this.isNotUseCboRule = isNotUseCboRule; | ||
| } | ||
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| public List<String> getParameters() { | ||
| return parameters; | ||
| } | ||
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| public boolean isNotUseCboRule() { | ||
| return isNotUseCboRule; | ||
| } | ||
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| @Override | ||
| public String getHintName() { | ||
| return super.getHintName(); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return super.getHintName(); | ||
| } | ||
| } |
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if no need to rewrite, return at the beginning of execute to avoid useless rewrite for better perf
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have add one judgement before applying cbo rewrite rule
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it not enough, should skip very begining rbo too