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[feature](nereids) Multi table materialized view init
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25 changes: 25 additions & 0 deletions
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.../org/apache/doris/nereids/rules/exploration/mv/AbstractMaterializedViewAggregateRule.java
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|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // 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.mv; | ||
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| /** | ||
| * AbstractMaterializedViewAggregateRule | ||
| * This is responsible for common aggregate rewriting | ||
| * */ | ||
| public abstract class AbstractMaterializedViewAggregateRule extends AbstractMaterializedViewRule { | ||
| } |
62 changes: 62 additions & 0 deletions
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.../java/org/apache/doris/nereids/rules/exploration/mv/AbstractMaterializedViewJoinRule.java
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| @@ -0,0 +1,62 @@ | ||
| // 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.mv; | ||
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| import org.apache.doris.nereids.trees.expressions.NamedExpression; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalProject; | ||
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| import java.util.List; | ||
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| /** | ||
| * AbstractMaterializedViewJoinRule | ||
| * This is responsible for common join rewriting | ||
| */ | ||
| public abstract class AbstractMaterializedViewJoinRule extends AbstractMaterializedViewRule { | ||
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| @Override | ||
| protected Plan rewriteQueryByView(MatchMode matchMode, | ||
| StructInfo queryStructInfo, | ||
| StructInfo viewStructInfo, | ||
| RelationMapping queryToViewTableMappings, | ||
| Plan tempRewritedPlan) { | ||
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| // Rewrite top projects, represent the query projects by view | ||
| List<NamedExpression> expressions = rewriteExpression( | ||
| queryStructInfo.getExpressions(), | ||
| queryStructInfo, | ||
| viewStructInfo, | ||
| queryToViewTableMappings, | ||
| tempRewritedPlan | ||
| ); | ||
| // Can not rewrite, bail out | ||
| if (expressions == null) { | ||
| return null; | ||
| } | ||
| return new LogicalProject<>(expressions, tempRewritedPlan); | ||
| } | ||
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| // Check join is whether valid or not. Support join's input can not contain aggregate | ||
| // Only support project, filter, join, logical relation node and | ||
| // join condition should be slot reference equals currently | ||
| @Override | ||
| protected boolean isPatternSupport(StructInfo structInfo) { | ||
| // TODO Should get struct info from hyper graph and check | ||
| return false; | ||
| } | ||
| } |
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