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use CustomRewriter reimplement, and rewrite upper exprid to prevent e…
…xprid becoming duplicated
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178
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/ExprIdRewriter.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.nereids.rules.rewrite; | ||
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| import org.apache.doris.nereids.jobs.JobContext; | ||
| import org.apache.doris.nereids.pattern.MatchingContext; | ||
| import org.apache.doris.nereids.pattern.Pattern; | ||
| import org.apache.doris.nereids.rules.Rule; | ||
| import org.apache.doris.nereids.rules.RuleType; | ||
| import org.apache.doris.nereids.rules.expression.ExpressionPatternMatcher; | ||
| import org.apache.doris.nereids.rules.expression.ExpressionPatternRuleFactory; | ||
| import org.apache.doris.nereids.rules.expression.ExpressionRewrite; | ||
| import org.apache.doris.nereids.rules.expression.ExpressionRewriteContext; | ||
| import org.apache.doris.nereids.rules.expression.ExpressionRuleExecutor; | ||
| import org.apache.doris.nereids.trees.expressions.ExprId; | ||
| import org.apache.doris.nereids.trees.expressions.Expression; | ||
| import org.apache.doris.nereids.trees.expressions.NamedExpression; | ||
| import org.apache.doris.nereids.trees.expressions.Slot; | ||
| import org.apache.doris.nereids.trees.expressions.SlotReference; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalSink; | ||
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| import com.google.common.collect.ImmutableList; | ||
|
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| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| /**ExprIdReplacer*/ | ||
| public class ExprIdRewriter extends ExpressionRewrite { | ||
| private final List<Rule> rules; | ||
| private final JobContext jobContext; | ||
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| public ExprIdRewriter(ReplaceRule replaceRule, JobContext jobContext) { | ||
| super(new ExpressionRuleExecutor(ImmutableList.of(bottomUp(replaceRule)))); | ||
| rules = buildRules(); | ||
| this.jobContext = jobContext; | ||
| } | ||
|
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| @Override | ||
| public List<Rule> buildRules() { | ||
| ImmutableList.Builder<Rule> builder = ImmutableList.builder(); | ||
| builder.addAll(super.buildRules()); | ||
| builder.addAll(ImmutableList.of( | ||
| new LogicalResultSinkRewrite().build(), | ||
| new LogicalFileSinkRewrite().build(), | ||
| new LogicalHiveTableSinkRewrite().build(), | ||
| new LogicalIcebergTableSinkRewrite().build(), | ||
| new LogicalJdbcTableSinkRewrite().build(), | ||
| new LogicalOlapTableSinkRewrite().build(), | ||
| new LogicalDeferMaterializeResultSinkRewrite().build() | ||
| )); | ||
| return builder.build(); | ||
| } | ||
|
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| /**rewriteExpr*/ | ||
| public Plan rewriteExpr(Plan plan) { | ||
| for (Rule rule : rules) { | ||
| Pattern<Plan> pattern = (Pattern<Plan>) rule.getPattern(); | ||
| if (pattern.matchPlanTree(plan)) { | ||
| List<Plan> newPlans = rule.transform(plan, jobContext.getCascadesContext()); | ||
| Plan newPlan = newPlans.get(0); | ||
| if (!newPlan.deepEquals(plan)) { | ||
| return newPlan; | ||
| } | ||
| } | ||
| } | ||
| return plan; | ||
| } | ||
|
|
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| /**ReplaceRule*/ | ||
| public static class ReplaceRule implements ExpressionPatternRuleFactory { | ||
| private final Map<ExprId, ExprId> replaceMap; | ||
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| public ReplaceRule(Map<ExprId, ExprId> replaceMap) { | ||
| this.replaceMap = replaceMap; | ||
| } | ||
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| @Override | ||
| public List<ExpressionPatternMatcher<? extends Expression>> buildRules() { | ||
| return ImmutableList.of( | ||
| matchesType(SlotReference.class).thenApply(ctx -> { | ||
| Slot slot = ctx.expr; | ||
| if (replaceMap.containsKey(slot.getExprId())) { | ||
| ExprId newId = replaceMap.get(slot.getExprId()); | ||
| while (replaceMap.containsKey(newId)) { | ||
| newId = replaceMap.get(slot.getExprId()); | ||
| } | ||
| return slot.withExprId(newId); | ||
| } | ||
| return slot; | ||
| }) | ||
| ); | ||
| } | ||
| } | ||
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| private class LogicalResultSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalResultSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
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| private class LogicalFileSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalFileSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
|
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| private class LogicalHiveTableSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalHiveTableSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
|
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| private class LogicalIcebergTableSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalIcebergTableSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
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| private class LogicalJdbcTableSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalJdbcTableSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
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| private class LogicalOlapTableSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalOlapTableSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
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| private class LogicalDeferMaterializeResultSinkRewrite extends OneRewriteRuleFactory { | ||
| @Override | ||
| public Rule build() { | ||
| return logicalDeferMaterializeResultSink().thenApply(ExprIdRewriter.this::applyRewrite) | ||
| .toRule(RuleType.REWRITE_SINK_EXPRESSION); | ||
| } | ||
| } | ||
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| private LogicalSink<Plan> applyRewrite(MatchingContext<? extends LogicalSink<Plan>> ctx) { | ||
| LogicalSink<Plan> sink = ctx.root; | ||
| ExpressionRewriteContext context = new ExpressionRewriteContext(ctx.cascadesContext); | ||
| List<NamedExpression> outputExprs = sink.getOutputExprs(); | ||
| List<NamedExpression> newOutputExprs = rewriteAll(outputExprs, rewriter, context); | ||
| if (outputExprs.equals(newOutputExprs)) { | ||
| return sink; | ||
| } | ||
| return sink.withOutputExprs(newOutputExprs); | ||
| } | ||
| } |
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