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[feature](nereids): add join rules base code (apache#9598)
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57 changes: 57 additions & 0 deletions
57
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/exploration/join/JoinExchange.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // 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.rules.exploration.join; | ||
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| import org.apache.doris.nereids.rules.Rule; | ||
| import org.apache.doris.nereids.rules.RuleType; | ||
| import org.apache.doris.nereids.rules.exploration.OneExplorationRuleFactory; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalJoin; | ||
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| /** | ||
| * Rule for busy-tree, exchange the children node. | ||
| */ | ||
| public class JoinExchange extends OneExplorationRuleFactory { | ||
| /* | ||
| * topJoin newTopJoin | ||
| * / \ / \ | ||
| * leftJoin rightJoin --> newLeftJoin newRightJoin | ||
| * / \ / \ / \ / \ | ||
| * A B C D A C B D | ||
| */ | ||
| @Override | ||
| public Rule<Plan> build() { | ||
| return innerLogicalJoin(innerLogicalJoin(), innerLogicalJoin()).then(topJoin -> { | ||
| LogicalJoin leftJoin = topJoin.left(); | ||
| LogicalJoin rightJoin = topJoin.left(); | ||
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| Plan a = leftJoin.left(); | ||
| Plan b = leftJoin.right(); | ||
| Plan c = rightJoin.left(); | ||
| Plan d = rightJoin.right(); | ||
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| LogicalJoin newLeftJoin = new LogicalJoin(leftJoin.getJoinType(), leftJoin.getOnClause(), a, c); | ||
| LogicalJoin newRightJoin = new LogicalJoin(rightJoin.getJoinType(), rightJoin.getOnClause(), b, d); | ||
| LogicalJoin newTopJoin = | ||
| new LogicalJoin(topJoin.getJoinType(), topJoin.getOnClause(), newLeftJoin, newRightJoin); | ||
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| return newTopJoin; | ||
| }).toRule(RuleType.LOGICAL_JOIN_EXCHANGE); | ||
| } | ||
| } |
54 changes: 54 additions & 0 deletions
54
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/exploration/join/JoinLAsscom.java
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| @@ -0,0 +1,54 @@ | ||
| // 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.rules.exploration.join; | ||
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| import org.apache.doris.nereids.rules.Rule; | ||
| import org.apache.doris.nereids.rules.RuleType; | ||
| import org.apache.doris.nereids.rules.exploration.OneExplorationRuleFactory; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalJoin; | ||
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| /** | ||
| * Rule for change inner join left associative to right. | ||
| */ | ||
| public class JoinLAsscom extends OneExplorationRuleFactory { | ||
| /* | ||
| * topJoin newTopJoin | ||
| * / \ / \ | ||
| * bottomJoin C --> newBottomJoin B | ||
| * / \ / \ | ||
| * A B A C | ||
| */ | ||
| @Override | ||
| public Rule<Plan> build() { | ||
| return innerLogicalJoin(innerLogicalJoin(), any()).then(topJoin -> { | ||
| LogicalJoin bottomJoin = topJoin.left(); | ||
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| Plan c = topJoin.right(); | ||
| Plan a = bottomJoin.left(); | ||
| Plan b = bottomJoin.right(); | ||
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| LogicalJoin newBottomJoin = | ||
| new LogicalJoin(bottomJoin.getJoinType(), bottomJoin.getOnClause(), a, c); | ||
| LogicalJoin newTopJoin = | ||
| new LogicalJoin(bottomJoin.getJoinType(), topJoin.getOnClause(), newBottomJoin, b); | ||
| return newTopJoin; | ||
| }).toRule(RuleType.LOGICAL_JOIN_L_ASSCOM); | ||
| } | ||
| } |
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51 changes: 51 additions & 0 deletions
51
...e-core/src/main/java/org/apache/doris/nereids/trees/plans/logical/JoinReorderContext.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| // 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.trees.plans.logical; | ||
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| /** | ||
| * JoinReorderContext for Duplicate free. | ||
| * Paper: Improving Join Reorderability with Compensation Operators | ||
| */ | ||
| public class JoinReorderContext { | ||
| // left deep tree | ||
| private boolean hasCommute = false; | ||
| private boolean hasTopPushThrough = false; | ||
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| public JoinReorderContext() { | ||
| } | ||
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| void copyFrom(JoinReorderContext joinReorderContext) { | ||
| this.hasCommute = joinReorderContext.hasCommute; | ||
| this.hasTopPushThrough = joinReorderContext.hasTopPushThrough; | ||
| } | ||
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| JoinReorderContext copy() { | ||
| JoinReorderContext joinReorderContext = new JoinReorderContext(); | ||
| joinReorderContext.copyFrom(this); | ||
| return joinReorderContext; | ||
| } | ||
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| public boolean isHasCommute() { | ||
| return hasCommute; | ||
| } | ||
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| public boolean isHasTopPushThrough() { | ||
| return hasTopPushThrough; | ||
| } | ||
| } |
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