catpineapple commented on code in PR #13772: URL: https://github.com/apache/doris/pull/13772#discussion_r1014976699
########## fe/fe-core/src/main/java/org/apache/doris/analysis/MultiPartitionDesc.java: ########## @@ -0,0 +1,316 @@ +// 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.analysis; + +import org.apache.doris.analysis.TimestampArithmeticExpr.TimeUnit; +import org.apache.doris.catalog.DynamicPartitionProperty; +import org.apache.doris.common.AnalysisException; +import org.apache.doris.common.Config; +import org.apache.doris.common.DdlException; +import org.apache.doris.common.util.DynamicPartitionUtil; +import org.apache.doris.planner.DateTools; + +import com.google.common.collect.ImmutableSet; +import com.google.common.collect.Lists; + +import java.time.DayOfWeek; +import java.time.LocalDate; +import java.time.LocalDateTime; +import java.time.format.DateTimeFormatter; +import java.time.temporal.ChronoField; +import java.time.temporal.WeekFields; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; + +// to describe the key list partition's information in create table stmt +public class MultiPartitionDesc implements AllPartitionDesc { + public static final String HOURS_FORMAT = "yyyyMMddHH"; + public static final String HOUR_FORMAT = "yyyy-MM-dd HH"; + public static final String DATES_FORMAT = "yyyyMMdd"; + public static final String DATE_FORMAT = "yyyy-MM-dd"; + public static final String MONTHS_FORMAT = "yyyyMM"; + public static final String MONTH_FORMAT = "yyyy-MM"; + public static final String YEAR_FORMAT = "yyyy"; + public static final String DATETIME_FORMAT = "yyyy-MM-dd HH:mm:ss"; + + + + private final String partitionPrefix = "p_"; + private LocalDateTime startTime; + private LocalDateTime endTime; + + private DateTimeFormatter startDateTimeFormat; + private DateTimeFormatter endDateTimeFormat; + + + private Long timeInterval; + private final PartitionKeyDesc partitionKeyDesc; + private TimestampArithmeticExpr.TimeUnit timeUnitType; + private final Map<String, String> properties; + private final List<SinglePartitionDesc> singlePartitionDescList = Lists.newArrayList(); + + private final ImmutableSet<TimestampArithmeticExpr.TimeUnit> timeUnitTypeMultiPartition = ImmutableSet.of( + TimestampArithmeticExpr.TimeUnit.HOUR, + TimestampArithmeticExpr.TimeUnit.DAY, + TimestampArithmeticExpr.TimeUnit.WEEK, + TimestampArithmeticExpr.TimeUnit.MONTH, + TimestampArithmeticExpr.TimeUnit.YEAR + ); + + private final Integer maxAllowedLimit = Config.max_multi_partition_num; + + public MultiPartitionDesc(PartitionKeyDesc partitionKeyDesc, + Map<String, String> properties) throws AnalysisException { + this.partitionKeyDesc = partitionKeyDesc; + this.properties = properties; + this.timeIntervalTrans(); + this.timeTrans(); + } + + public List<SinglePartitionDesc> getSinglePartitionDescList() throws AnalysisException { + if (singlePartitionDescList.size() == 0) { + buildMultiPartitionToSinglePartitionDescs(); + } + return singlePartitionDescList; + } + + private List<SinglePartitionDesc> buildMultiPartitionToSinglePartitionDescs() throws AnalysisException { + String partitionName; + long countNum = 0; + int dayOfWeek = 1; + int dayOfMonth = 1; + String partitionPrefix = this.partitionPrefix; + LocalDateTime startTime = this.startTime; + if (properties != null) { + if (properties.containsKey(DynamicPartitionProperty.START_DAY_OF_WEEK)) { + String dayOfWeekStr = properties.get(DynamicPartitionProperty.START_DAY_OF_WEEK); + try { + DynamicPartitionUtil.checkStartDayOfWeek(dayOfWeekStr); + } catch (DdlException e) { + throw new AnalysisException(e.getMessage()); + } + dayOfWeek = Integer.parseInt(dayOfWeekStr); + } + if (properties.containsKey(DynamicPartitionProperty.START_DAY_OF_MONTH)) { + String dayOfMonthStr = properties.get(DynamicPartitionProperty.START_DAY_OF_MONTH); + try { + DynamicPartitionUtil.checkStartDayOfMonth(dayOfMonthStr); + } catch (DdlException e) { + throw new AnalysisException(e.getMessage()); + } + dayOfMonth = Integer.parseInt(dayOfMonthStr); + } + + if (properties.containsKey(DynamicPartitionProperty.CREATE_HISTORY_PARTITION)) { + properties.put(DynamicPartitionProperty.CREATE_HISTORY_PARTITION, "false"); + } + if (properties.containsKey(DynamicPartitionProperty.PREFIX)) { + partitionPrefix = properties.get(DynamicPartitionProperty.PREFIX); + try { + DynamicPartitionUtil.checkPrefix(partitionPrefix); + } catch (DdlException e) { + throw new AnalysisException(e.getMessage()); + } + } + } + WeekFields weekFields = WeekFields.of(DayOfWeek.of(dayOfWeek), 1); + while (startTime.isBefore(this.endTime)) { + System.out.println("---" + startTime.format(dateTypeFormat())); + PartitionValue lowerPartitionValue = new PartitionValue(startTime.format(dateTypeFormat())); + switch (this.timeUnitType) { + case HOUR: + partitionName = partitionPrefix + startTime.format(DateTimeFormatter.ofPattern(HOURS_FORMAT)); + startTime = startTime.plusHours(timeInterval); + break; + case DAY: + partitionName = partitionPrefix + startTime.format(DateTimeFormatter.ofPattern(DATES_FORMAT)); + startTime = startTime.plusDays(timeInterval); + break; + case WEEK: + LocalDate localDate = LocalDate.of(startTime.getYear(), startTime.getMonthValue(), + startTime.getDayOfMonth()); + int weekOfYear = localDate.get(weekFields.weekOfYear()); + partitionName = String.format("%s%s_%02d", partitionPrefix, + startTime.format(DateTimeFormatter.ofPattern(YEAR_FORMAT)), weekOfYear); + startTime = startTime.with(ChronoField.DAY_OF_WEEK, dayOfMonth); + startTime = startTime.plusWeeks(timeInterval); + break; + case MONTH: + partitionName = partitionPrefix + startTime.format(DateTimeFormatter.ofPattern(MONTHS_FORMAT)); + startTime = startTime.withDayOfMonth(dayOfMonth); + startTime = startTime.plusMonths(timeInterval); + break; + case YEAR: + partitionName = partitionPrefix + startTime.format(DateTimeFormatter.ofPattern(YEAR_FORMAT)); + startTime = startTime.withDayOfYear(1); + startTime = startTime.plusYears(timeInterval); + break; + default: + throw new AnalysisException("Multi build partition does not support time interval type: " + + this.timeUnitType); + } + if (this.timeUnitType != TimestampArithmeticExpr.TimeUnit.DAY && startTime.isAfter(this.endTime)) { + startTime = this.endTime; + } + PartitionValue upperPartitionValue = new PartitionValue(startTime.format(dateTypeFormat())); + PartitionKeyDesc partitionKeyDesc = PartitionKeyDesc.createFixed( + Lists.newArrayList(lowerPartitionValue), + Lists.newArrayList(upperPartitionValue) + ); + singlePartitionDescList.add( + new SinglePartitionDesc( + false, + partitionName, + partitionKeyDesc, + properties) + ); + + countNum++; + if (countNum > maxAllowedLimit) { + throw new AnalysisException("The number of Multi partitions too much, should not exceed:" + + maxAllowedLimit); + } + } + return singlePartitionDescList; + } + + private void timeTrans() throws AnalysisException { + + if (partitionKeyDesc.getLowerValues().size() != 1 || partitionKeyDesc.getUpperValues().size() != 1) { + throw new AnalysisException("Multi build partition column size must be one " + + "but START column size is " + partitionKeyDesc.getLowerValues().size() + + ", END column size is " + partitionKeyDesc.getUpperValues().size() + "."); + } + + String startString = partitionKeyDesc.getLowerValues().get(0).getStringValue(); + String endString = partitionKeyDesc.getUpperValues().get(0).getStringValue(); + + try { + this.startDateTimeFormat = dateFormat(this.timeUnitType, startString); + this.endDateTimeFormat = dateFormat(this.timeUnitType, endString); + this.startTime = DateTools.formatDateTimeAndFullZero(startString, startDateTimeFormat); + this.endTime = DateTools.formatDateTimeAndFullZero(endString, endDateTimeFormat); + } catch (Exception e) { + throw new AnalysisException("Multi build partition START or END time style is illegal."); + } + + if (!this.startTime.isBefore(this.endTime)) { + throw new AnalysisException("Multi build partition start time should less than end time."); + } + } + + + private void timeIntervalTrans() throws AnalysisException { + this.timeInterval = partitionKeyDesc.getTimeInterval(); + String timeType = partitionKeyDesc.getTimeType(); + if (timeType == null) { + throw new AnalysisException("Unknown time interval type for Multi build partition."); + } + if (this.timeInterval <= 0) { + throw new AnalysisException("Multi partition every clause mush be larger than zero."); Review Comment: I will -- This is an automated message from the Apache Git Service. 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