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[FLINK-35152][pipeline-connector/doris] Support create doris auto partition table #3871
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131 changes: 131 additions & 0 deletions
131
...tor-doris/src/main/java/org/apache/flink/cdc/connectors/doris/utils/DorisSchemaUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| /* | ||
| * 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.flink.cdc.connectors.doris.utils; | ||
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| import org.apache.flink.api.java.tuple.Tuple2; | ||
| import org.apache.flink.cdc.common.configuration.Configuration; | ||
| import org.apache.flink.cdc.common.event.TableId; | ||
| import org.apache.flink.cdc.common.schema.Schema; | ||
| import org.apache.flink.cdc.common.schema.Selectors; | ||
| import org.apache.flink.cdc.common.types.DataType; | ||
| import org.apache.flink.cdc.common.types.DateType; | ||
| import org.apache.flink.cdc.common.types.LocalZonedTimestampType; | ||
| import org.apache.flink.cdc.common.types.TimestampType; | ||
| import org.apache.flink.cdc.common.types.ZonedTimestampType; | ||
| import org.apache.flink.cdc.common.utils.StringUtils; | ||
| import org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions; | ||
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|
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| import java.util.Map; | ||
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| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_AUTO_PARTITION_PROPERTIES_PREFIX; | ||
| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_DEFAULT_PARTITION_KEY; | ||
| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_DEFAULT_PARTITION_UNIT; | ||
| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_PARTITION_EXCLUDE; | ||
| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_PARTITION_INCLUDE; | ||
| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_PARTITION_KEY; | ||
| import static org.apache.flink.cdc.connectors.doris.sink.DorisDataSinkOptions.TABLE_CREATE_PARTITION_UNIT; | ||
|
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| /** Utilities for doris schema. */ | ||
| public class DorisSchemaUtils { | ||
|
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| public static final String DEFAULT_DATE = "1970-01-01"; | ||
| public static final String DEFAULT_DATETIME = "1970-01-01 00:00:00"; | ||
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| /** | ||
| * Get partition info by config. Currently only supports DATE/TIMESTAMP AUTO RANGE PARTITION and | ||
| * doris version should greater than 2.1.6 | ||
| * | ||
| * @param config | ||
| * @param schema | ||
| * @param tableId | ||
| * @return | ||
| */ | ||
| public static Tuple2<String, String> getPartitionInfo( | ||
| Configuration config, Schema schema, TableId tableId) { | ||
| Map<String, String> autoPartitionProperties = | ||
| DorisDataSinkOptions.getPropertiesByPrefix( | ||
| config, TABLE_CREATE_AUTO_PARTITION_PROPERTIES_PREFIX); | ||
| if (autoPartitionProperties.isEmpty()) { | ||
| return null; | ||
| } | ||
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| if (isExcluded(autoPartitionProperties, tableId) | ||
| || !isIncluded(autoPartitionProperties, tableId)) { | ||
| return null; | ||
| } | ||
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| String partitionKey = | ||
| getPartitionProperty( | ||
| autoPartitionProperties, | ||
| tableId, | ||
| TABLE_CREATE_PARTITION_KEY, | ||
| TABLE_CREATE_DEFAULT_PARTITION_KEY); | ||
| if (partitionKey == null || !schema.getColumn(partitionKey).isPresent()) { | ||
| return null; | ||
| } | ||
|
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| String partitionUnit = | ||
| getPartitionProperty( | ||
| autoPartitionProperties, | ||
| tableId, | ||
| TABLE_CREATE_PARTITION_UNIT, | ||
| TABLE_CREATE_DEFAULT_PARTITION_UNIT); | ||
| if (partitionUnit == null) { | ||
| return null; | ||
| } | ||
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| DataType dataType = schema.getColumn(partitionKey).get().getType(); | ||
| return isValidDataType(dataType) ? new Tuple2<>(partitionKey, partitionUnit) : null; | ||
| } | ||
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| private static boolean isExcluded(Map<String, String> properties, TableId tableId) { | ||
| String excludes = properties.get(TABLE_CREATE_PARTITION_EXCLUDE); | ||
| if (!StringUtils.isNullOrWhitespaceOnly(excludes)) { | ||
| Selectors selectExclude = | ||
| new Selectors.SelectorsBuilder().includeTables(excludes).build(); | ||
| return selectExclude.isMatch(tableId); | ||
| } | ||
| return false; | ||
| } | ||
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| private static boolean isIncluded(Map<String, String> properties, TableId tableId) { | ||
| String includes = properties.get(TABLE_CREATE_PARTITION_INCLUDE); | ||
| if (!StringUtils.isNullOrWhitespaceOnly(includes)) { | ||
| Selectors selectInclude = | ||
| new Selectors.SelectorsBuilder().includeTables(includes).build(); | ||
| return selectInclude.isMatch(tableId); | ||
| } | ||
| return true; | ||
| } | ||
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| private static String getPartitionProperty( | ||
| Map<String, String> properties, | ||
| TableId tableId, | ||
| String specificKey, | ||
| String defaultKey) { | ||
| String key = properties.get(tableId.identifier() + "." + specificKey); | ||
| return StringUtils.isNullOrWhitespaceOnly(key) ? properties.get(defaultKey) : key; | ||
| } | ||
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| private static boolean isValidDataType(DataType dataType) { | ||
| return dataType instanceof LocalZonedTimestampType | ||
| || dataType instanceof TimestampType | ||
| || dataType instanceof ZonedTimestampType | ||
| || dataType instanceof DateType; | ||
| } | ||
| } |
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It's better not to let user aware of the concept of
route, which will make it hard to understand.