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[feature](nereids) Support inner join query rewrite by materialized v…
…iew (#27922) Work in process. Support inner join query rewrite by materialized view in some scene. Such as an exmple as following: > mv = "select lineitem.L_LINENUMBER, orders.O_CUSTKEY " + > "from orders " + > "inner join lineitem on lineitem.L_ORDERKEY = orders.O_ORDERKEY " > query = "select lineitem.L_LINENUMBER " + > "from lineitem " + > "inner join orders on lineitem.L_ORDERKEY = orders.O_ORDERKEY "
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45
fe/fe-core/src/main/java/org/apache/doris/common/MaterializedViewException.java
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| // 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.common; | ||
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| /** | ||
| * MaterializedViewException | ||
| */ | ||
| public class MaterializedViewException extends UserException { | ||
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| public MaterializedViewException(String msg, Throwable cause) { | ||
| super(msg, cause); | ||
| } | ||
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| public MaterializedViewException(Throwable cause) { | ||
| super(cause); | ||
| } | ||
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| public MaterializedViewException(String msg, Throwable cause, boolean enableSuppression, | ||
| boolean writableStackTrace) { | ||
| super(msg, cause, enableSuppression, writableStackTrace); | ||
| } | ||
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| public MaterializedViewException(String msg) { | ||
| super(msg); | ||
| } | ||
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| public MaterializedViewException(InternalErrorCode errCode, String msg) { | ||
| super(errCode, msg); | ||
| } | ||
| } |
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82
fe/fe-core/src/main/java/org/apache/doris/mtmv/MVCache.java
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| // 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.mtmv; | ||
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| import org.apache.doris.catalog.MTMV; | ||
| import org.apache.doris.nereids.NereidsPlanner; | ||
| import org.apache.doris.nereids.StatementContext; | ||
| import org.apache.doris.nereids.parser.NereidsParser; | ||
| import org.apache.doris.nereids.properties.PhysicalProperties; | ||
| import org.apache.doris.nereids.trees.expressions.NamedExpression; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.commands.ExplainCommand.ExplainLevel; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalPlan; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalResultSink; | ||
| import org.apache.doris.qe.ConnectContext; | ||
| import org.apache.doris.qe.OriginStatement; | ||
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| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
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| /** | ||
| * The cache for materialized view cache | ||
| */ | ||
| public class MVCache { | ||
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| // the materialized view plan which should be optimized by the same rules to query | ||
| private final Plan logicalPlan; | ||
| // this should be shuttle expression with lineage | ||
| private final List<NamedExpression> mvOutputExpressions; | ||
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| public MVCache(MTMV materializedView, Plan logicalPlan, List<NamedExpression> mvOutputExpressions) { | ||
| this.logicalPlan = logicalPlan; | ||
| this.mvOutputExpressions = mvOutputExpressions; | ||
| } | ||
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| public Plan getLogicalPlan() { | ||
| return logicalPlan; | ||
| } | ||
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| public List<NamedExpression> getMvOutputExpressions() { | ||
| return mvOutputExpressions; | ||
| } | ||
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| public MVCache(Plan logicalPlan, List<NamedExpression> mvOutputExpressions) { | ||
| this.logicalPlan = logicalPlan; | ||
| this.mvOutputExpressions = mvOutputExpressions; | ||
| } | ||
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| public static MVCache from(MTMV mtmv, ConnectContext connectContext) { | ||
| LogicalPlan unboundMvPlan = new NereidsParser().parseSingle(mtmv.getQuerySql()); | ||
| // TODO: connect context set current db when create mv by use database | ||
| StatementContext mvSqlStatementContext = new StatementContext(connectContext, | ||
| new OriginStatement(mtmv.getQuerySql(), 0)); | ||
| NereidsPlanner planner = new NereidsPlanner(mvSqlStatementContext); | ||
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| Plan mvRewrittenPlan = | ||
| planner.plan(unboundMvPlan, PhysicalProperties.ANY, ExplainLevel.REWRITTEN_PLAN); | ||
| Plan mvPlan = mvRewrittenPlan instanceof LogicalResultSink | ||
| ? (Plan) ((LogicalResultSink) mvRewrittenPlan).child() : mvRewrittenPlan; | ||
| // use rewritten plan output expression currently, if expression rewrite fail, | ||
| // consider to use the analyzed plan for output expressions only | ||
| List<NamedExpression> mvOutputExpressions = mvRewrittenPlan.getExpressions().stream() | ||
| .map(NamedExpression.class::cast) | ||
| .collect(Collectors.toList()); | ||
| return new MVCache(mvPlan, mvOutputExpressions); | ||
| } | ||
| } |
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38 changes: 38 additions & 0 deletions
38
fe/fe-core/src/main/java/org/apache/doris/nereids/PlannerHook.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| // 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; | ||
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| /** | ||
| * optimize plan process has some phase, such as analyze, rewrite, optimize, generate physical plan | ||
| * and so on, this hook give a chance to do something in the planning process. | ||
| * For example: after analyze plan when query or explain, we should generate materialization context. | ||
| */ | ||
| public interface PlannerHook { | ||
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| /** | ||
| * the hook before analyze | ||
| */ | ||
| default void beforeAnalyze(NereidsPlanner planner) { | ||
| } | ||
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| /** | ||
| * the hook after analyze | ||
| */ | ||
| default void afterAnalyze(NereidsPlanner planner) { | ||
| } | ||
| } |
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