CalvinKirs commented on code in PR #36606: URL: https://github.com/apache/doris/pull/36606#discussion_r1669943706
########## fe/fe-core/src/main/java/org/apache/doris/nereids/rules/analysis/BindDynamicSplit.java: ########## @@ -0,0 +1,196 @@ +// 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. + +package org.apache.doris.nereids.rules.analysis; + +import org.apache.doris.analysis.TableName; +import org.apache.doris.catalog.TableIf; +import org.apache.doris.catalog.View; +import org.apache.doris.nereids.rules.Rule; +import org.apache.doris.nereids.rules.RuleType; +import org.apache.doris.nereids.trees.expressions.GreaterThanEqual; +import org.apache.doris.nereids.trees.expressions.LessThanEqual; +import org.apache.doris.nereids.trees.expressions.Slot; +import org.apache.doris.nereids.trees.expressions.SlotReference; +import org.apache.doris.nereids.trees.expressions.literal.Literal; +import org.apache.doris.nereids.trees.plans.Plan; +import org.apache.doris.nereids.trees.plans.commands.info.SplitColumnInfo; +import org.apache.doris.nereids.trees.plans.logical.LogicalCatalogRelation; +import org.apache.doris.nereids.trees.plans.logical.LogicalDynamicSplit; +import org.apache.doris.nereids.trees.plans.logical.LogicalFilter; +import org.apache.doris.nereids.trees.plans.logical.LogicalProject; +import org.apache.doris.nereids.trees.plans.logical.LogicalRelation; +import org.apache.doris.nereids.trees.plans.logical.LogicalSubQueryAlias; +import org.apache.doris.nereids.trees.plans.logical.LogicalView; + +import com.google.common.collect.ImmutableList; +import com.google.common.collect.ImmutableSet; +import org.apache.commons.lang3.Range; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.List; + +/** + * This class defines the rule to bind a dynamic split operation in the query plan. + */ +public class BindDynamicSplit implements AnalysisRuleFactory { + private static final Logger LOG = LoggerFactory.getLogger(BindDynamicSplit.class); + + @Override + public List<Rule> buildRules() { + return ImmutableList.of( + //LogicalDynamicSplit -> LogicalFilter -> LogicalCatalogRelation + RuleType.BIND_DYNAMIC_SPLIT.build(logicalDynamicSplit(logicalFilter(logicalRelation())) + .thenApply(ctx -> { + + Plan result = ctx.root.child(); + LogicalDynamicSplit<LogicalFilter<LogicalRelation>> logicalDynamicSplit = ctx.root; + LogicalRelation logicalRelation = (LogicalRelation) ((LogicalFilter<?>) + logicalDynamicSplit.child()) + .child(); + return rewritePlan(logicalRelation, result, logicalDynamicSplit); + })), + //LogicalDynamicSplit -> LogicalProject -> LogicalFilter -> LogicalCatalogRelation + RuleType.BIND_DYNAMIC_SPLIT.build(logicalDynamicSplit(logicalProject(logicalFilter(logicalRelation()))) + .thenApply(ctx -> { + + Plan result = ctx.root.child(); + LogicalDynamicSplit logicalDynamicSplit = ctx.root; + LogicalRelation logicalRelation = (LogicalRelation) ((LogicalProject<?>) + ((LogicalFilter<?>) logicalDynamicSplit.child()).child()).child(); + return rewritePlan(logicalRelation, result, logicalDynamicSplit); + })), + //LogicalDynamicSplit -> LogicalSubQueryAlias -> LogicalView + RuleType.BIND_DYNAMIC_SPLIT.build(logicalDynamicSplit(logicalSubQueryAlias(logicalView())) + .thenApply(ctx -> { + + Plan result = ctx.root.child(); + LogicalDynamicSplit<LogicalSubQueryAlias<LogicalView<Plan>>> logicalDynamicSplit = ctx.root; + LogicalView logicalView = (LogicalView) ((LogicalSubQueryAlias<?>) logicalDynamicSplit + .child()).child(); + + return rewritePlan(logicalView, result, logicalDynamicSplit); + })), + // LogicalDynamicSplit -> LogicalCatalogRelation + RuleType.BIND_DYNAMIC_SPLIT.build(logicalDynamicSplit(logicalRelation()).thenApply(ctx -> { + Plan result = ctx.root.child(); + LogicalDynamicSplit<LogicalRelation> logicalDynamicSplit = ctx.root; + LogicalRelation logicalCatalogRelation = ctx.root.child(); + if (null == logicalCatalogRelation) { + return result; + } + return rewritePlan(logicalCatalogRelation, result, logicalDynamicSplit); + }))); + } + + private LogicalCatalogRelation convertAndCheckLogicalRelation(LogicalRelation logicalRelation) { + if (logicalRelation instanceof LogicalCatalogRelation) { + return (LogicalCatalogRelation) logicalRelation; + } + return null; + } + + private Plan rewritePlan(LogicalView logicalView, Plan result, + LogicalDynamicSplit logicalDynamicSplit) { + Range range = logicalDynamicSplit.getRange(); + SplitColumnInfo splitColumnInfo = logicalDynamicSplit.getSplitColumnInfo(); + String splitColumnName = splitColumnInfo.getColumnName(); + TableName splitTable = splitColumnInfo.getTableNameInfo().transferToTableName(); + View view = logicalView.getView(); + logicalDynamicSplit.setReplaced(Boolean.TRUE); + if (!view.getName().equalsIgnoreCase(splitTable.getTbl())) { + return result; + } + if (!view.getDatabase().getFullName().equals(splitTable.getDb())) { + return result; + } + if (!view.getDatabase().getCatalog().getName().equals(splitTable.getCtl())) { + return result; + } + SlotReference slotReference = getSlotReference(logicalView.getOutput(), splitColumnName); + if (null == slotReference) { + logicalDynamicSplit.setReplaced(Boolean.FALSE); + LOG.warn("Can not find the split column {} in the table {}", splitColumnName, splitColumnName); + return result; + } + GreaterThanEqual greaterThanEqual = new GreaterThanEqual(slotReference, + Literal.of(range.getMinimum())); + LessThanEqual lessThanEqual = new LessThanEqual(slotReference, Literal.of(range.getMaximum())); + LogicalFilter logicalFilter = new LogicalFilter<>(ImmutableSet.of(greaterThanEqual, lessThanEqual), + logicalView); + result = result.rewriteUp(node -> { + if (node instanceof LogicalView) { + return logicalFilter; + } + return node; + }); + return result; + } + + private Plan rewritePlan(LogicalRelation logicalRelation, Plan result, + LogicalDynamicSplit logicalDynamicSplit) { + LogicalCatalogRelation catalogRelation = convertAndCheckLogicalRelation(logicalRelation); + if (null == catalogRelation) { + return result; + } + Range range = logicalDynamicSplit.getRange(); + SplitColumnInfo splitColumnInfo = logicalDynamicSplit.getSplitColumnInfo(); + String splitColumnName = splitColumnInfo.getColumnName(); + TableName splitTable = splitColumnInfo.getTableNameInfo().transferToTableName(); + TableIf table = catalogRelation.getTable(); + logicalDynamicSplit.setReplaced(Boolean.TRUE); + if (!table.getName().equals(splitTable.getTbl())) { + return result; + } + if (!table.getDatabase().getFullName().equals(splitTable.getDb())) { + return result; + } + if (!table.getDatabase().getCatalog().getName().equals(splitTable.getCtl())) { + return result; + } + SlotReference slotReference = getSlotReference(catalogRelation.getOutput(), splitColumnName); + if (null == slotReference) { + logicalDynamicSplit.setReplaced(Boolean.FALSE); + LOG.warn("Can not find the split column {} in the table {}", splitColumnName, table.getName()); + return result; + } + GreaterThanEqual greaterThanEqual = new GreaterThanEqual(slotReference, + Literal.of(range.getMinimum())); + LessThanEqual lessThanEqual = new LessThanEqual(slotReference, Literal.of(range.getMaximum())); + + LogicalFilter logicalFilter = new LogicalFilter<>(ImmutableSet.of(greaterThanEqual, lessThanEqual), + catalogRelation); + result = result.rewriteUp(node -> { + if (node instanceof LogicalCatalogRelation) { + return logicalFilter; + } + return node; + }); + + return result; + } Review Comment: thx~ done -- This is an automated message from the Apache Git Service. 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