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[AMORO-1877]Support display paimon Operations in 'operations' page (#…
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175 changes: 175 additions & 0 deletions
175
...ver/src/main/java/com/netease/arctic/server/dashboard/component/reverser/DDLReverser.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. | ||
| */ | ||
|
|
||
| package com.netease.arctic.server.dashboard.component.reverser; | ||
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| import com.google.common.collect.Maps; | ||
| import com.netease.arctic.server.dashboard.model.DDLInfo; | ||
| import com.netease.arctic.table.TableIdentifier; | ||
| import org.apache.iceberg.relocated.com.google.common.collect.Sets; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
|
|
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| public class DDLReverser<T> { | ||
|
|
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| private final TableMetaExtract<T> tableMetaExtract; | ||
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| public DDLReverser(TableMetaExtract<T> tableMetaExtract) { | ||
| this.tableMetaExtract = tableMetaExtract; | ||
| } | ||
|
|
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| public List<DDLInfo> reverse(T table, TableIdentifier tableIdentifier) { | ||
|
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| //Currently only spark metadata change | ||
| SparkMetadataChangeHandler metadataChangeHandler = | ||
| new SparkMetadataChangeHandler(tableIdentifier.getTableName()); | ||
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| List<TableMetaExtract.InternalTableMeta> internalTableMetas = tableMetaExtract.extractTable(table); | ||
| if (internalTableMetas.isEmpty() || internalTableMetas.size() == 1) { | ||
| return Collections.emptyList(); | ||
| } | ||
|
|
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| List<DDLInfo> result = new ArrayList<>(); | ||
|
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| for (int i = 1; i < internalTableMetas.size(); i++) { | ||
| TableMetaExtract.InternalTableMeta pre = internalTableMetas.get(i - 1); | ||
| TableMetaExtract.InternalTableMeta current = internalTableMetas.get(i); | ||
|
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||
| compareProperties(pre.getProperties(), current.getProperties(), metadataChangeHandler) | ||
| .forEach(sql -> result.add( | ||
| DDLInfo.of(tableIdentifier, sql, DDLInfo.DDLType.UPDATE_PROPERTIES, current.getTime())) | ||
| ); | ||
|
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| compareSchemas(pre.getInternalSchema(), current.getInternalSchema(), metadataChangeHandler) | ||
| .forEach(sql -> result.add( | ||
| DDLInfo.of(tableIdentifier, sql, DDLInfo.DDLType.UPDATE_SCHEMA, current.getTime())) | ||
| ); | ||
| } | ||
| return result; | ||
| } | ||
|
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| private List<String> compareProperties( | ||
| Map<String, String> pre, | ||
| Map<String, String> current, | ||
| MetadataChangeHandler metadataChangeHandler) { | ||
| // Although only one SQL statement can be executed at a time, | ||
| // using the Java API to make modifications can result in the effect of multiple SQL statements. | ||
| List<String> result = new ArrayList<>(); | ||
|
|
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| // Remove properties | ||
| Set<String> removeProperties = Sets.difference(pre.keySet(), current.keySet()); | ||
| if (!removeProperties.isEmpty()) { | ||
| result.add(metadataChangeHandler.removeProperties(removeProperties)); | ||
| } | ||
|
|
||
| // Change and add properties | ||
| Map<String, String> changeAndAddProperties = Maps.newHashMap(); | ||
| for (Map.Entry<String, String> currentEntry : current.entrySet()) { | ||
| String key = currentEntry.getKey(); | ||
| String value = currentEntry.getValue(); | ||
| if (pre.containsKey(key)) { | ||
| if (!pre.get(key).equals(value)) { | ||
| changeAndAddProperties.put(key, value); | ||
| } | ||
| } else { | ||
| changeAndAddProperties.put(key, value); | ||
| } | ||
| } | ||
| if (!changeAndAddProperties.isEmpty()) { | ||
| result.add(metadataChangeHandler.changeAndAddProperties(changeAndAddProperties)); | ||
| } | ||
|
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| return result; | ||
| } | ||
|
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| private List<String> compareSchemas(List<TableMetaExtract.InternalSchema> pre, | ||
| List<TableMetaExtract.InternalSchema> current, MetadataChangeHandler metadataChangeHandler) { | ||
| // Although only one SQL statement can be executed at a time, | ||
| // using the Java API to make modifications can result in the effect of multiple SQL statements. | ||
| List<String> result = new ArrayList<>(); | ||
|
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| Map<Integer, TableMetaExtract.InternalSchema> preMap = pre.stream().collect( | ||
| Collectors.toMap(TableMetaExtract.InternalSchema::getId, v -> v)); | ||
| Map<Integer, TableMetaExtract.InternalSchema> currentMap = current.stream().collect(Collectors.toMap( | ||
| TableMetaExtract.InternalSchema::getId, v -> v)); | ||
|
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||
| //Remove columns. | ||
| Set<Integer> removeColumns = Sets.difference(preMap.keySet(), currentMap.keySet()); | ||
| Set<Integer> normalizedRemoveColumns = removeColumns.stream() | ||
| .filter(s -> !removeColumns.contains(preMap.get(s).getParentId())) | ||
| .collect(Collectors.toSet()); | ||
| if (!normalizedRemoveColumns.isEmpty()) { | ||
| result.add( | ||
| metadataChangeHandler | ||
| .dropColumns( | ||
| normalizedRemoveColumns | ||
| .stream() | ||
| .map(preMap::get) | ||
| .map(TableMetaExtract.InternalSchema::getName) | ||
| .collect(Collectors.toSet()) | ||
| ) | ||
| ); | ||
| } | ||
|
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||
| //Add new columns. | ||
| Set<Integer> newColumns = Sets.difference(currentMap.keySet(), preMap.keySet()); | ||
| Set<Integer> normalizedNewColumns = newColumns.stream() | ||
| .filter(s -> !newColumns.contains(currentMap.get(s).getParentId())) | ||
| .collect(Collectors.toSet()); | ||
| if (!normalizedNewColumns.isEmpty()) { | ||
| result.add( | ||
| metadataChangeHandler | ||
| .addNewColumns( | ||
| normalizedNewColumns | ||
| .stream() | ||
| .map(currentMap::get) | ||
| .collect(Collectors.toList()) | ||
| ) | ||
| ); | ||
| } | ||
|
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||
| //Change columns. | ||
| for (TableMetaExtract.InternalSchema currentSchema : current) { | ||
| if (!preMap.containsKey(currentSchema.getId())) { | ||
| continue; | ||
| } | ||
|
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| TableMetaExtract.InternalSchema preSchema = preMap.get(currentSchema.getId()); | ||
| if (!Objects.equals(preSchema.getName(), currentSchema.getName())) { | ||
| result.add(metadataChangeHandler.renameColumnName(preSchema.getName(), currentSchema.getName())); | ||
| } | ||
| if (!Objects.equals(preSchema.getType(), currentSchema.getType())) { | ||
| result.add(metadataChangeHandler.changeColumnType(currentSchema.getName(), currentSchema.getType())); | ||
| } | ||
| if (!Objects.equals(preSchema.getComment(), currentSchema.getComment())) { | ||
| result.add(metadataChangeHandler.changeColumnsComment(currentSchema.getName(), currentSchema.getComment())); | ||
| } | ||
| if (preSchema.isRequired() != currentSchema.isRequired()) { | ||
| result.add(metadataChangeHandler.changeColumnsRequire(currentSchema.getName(), currentSchema.isRequired())); | ||
| } | ||
| } | ||
|
|
||
| return result; | ||
| } | ||
| } |
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