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[ARCTIC-497] fix When adding cloumn to keyed hive table with partitio…
…ns, the scheam sequence of change table and base table is different (#501) * add HiveChangeInternalTable and BaseSchemaUpdate * fix code style
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156 changes: 156 additions & 0 deletions
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hive/src/main/java/com/netease/arctic/hive/op/BaseSchemaUpdate.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 com.netease.arctic.hive.op; | ||
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import com.netease.arctic.table.ArcticTable; | ||
import org.apache.iceberg.PartitionField; | ||
import org.apache.iceberg.Schema; | ||
import org.apache.iceberg.UpdateSchema; | ||
import org.apache.iceberg.types.Type; | ||
import org.apache.iceberg.types.Types; | ||
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import java.util.Collection; | ||
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public class BaseSchemaUpdate implements UpdateSchema { | ||
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private final ArcticTable arcticTable; | ||
private final UpdateSchema updateSchema; | ||
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public BaseSchemaUpdate(ArcticTable arcticTable, UpdateSchema updateSchema) { | ||
this.arcticTable = arcticTable; | ||
this.updateSchema = updateSchema; | ||
} | ||
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@Override | ||
public Schema apply() { | ||
return this.updateSchema.apply(); | ||
} | ||
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@Override | ||
public void commit() { | ||
this.updateSchema.commit(); | ||
} | ||
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@Override | ||
public UpdateSchema allowIncompatibleChanges() { | ||
throw new UnsupportedOperationException("hive table not support allowIncompatibleChanges"); | ||
} | ||
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@Override | ||
public UpdateSchema addColumn(String name, Type type, String doc) { | ||
this.updateSchema.addColumn(name, type, doc); | ||
moveColBeforePar(name); | ||
return this; | ||
} | ||
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@Override | ||
public UpdateSchema addColumn(String parent, String name, Type type, String doc) { | ||
this.updateSchema.addColumn(parent, name, type, doc); | ||
if (parent == null) { | ||
moveColBeforePar(name); | ||
} | ||
return this; | ||
} | ||
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@Override | ||
public UpdateSchema addRequiredColumn(String name, Type type, String doc) { | ||
throw new UnsupportedOperationException("hive table not support addRequiredColumn"); | ||
} | ||
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@Override | ||
public UpdateSchema addRequiredColumn(String parent, String name, Type type, String doc) { | ||
throw new UnsupportedOperationException("hive table not support addRequiredColumn"); | ||
} | ||
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@Override | ||
public UpdateSchema renameColumn(String name, String newName) { | ||
throw new UnsupportedOperationException("not support renameColumn now, there will be error when hive stored as " + | ||
"parquet and we rename the column"); | ||
} | ||
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@Override | ||
public UpdateSchema updateColumn(String name, Type.PrimitiveType newType) { | ||
this.updateSchema.updateColumn(name, newType); | ||
return this; | ||
} | ||
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@Override | ||
public UpdateSchema updateColumnDoc(String name, String newDoc) { | ||
this.updateSchema.updateColumnDoc(name, newDoc); | ||
return this; | ||
} | ||
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@Override | ||
public UpdateSchema makeColumnOptional(String name) { | ||
throw new UnsupportedOperationException("hive table not support makeColumnOptional"); | ||
} | ||
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@Override | ||
public UpdateSchema requireColumn(String name) { | ||
throw new UnsupportedOperationException("hive table not support requireColumn"); | ||
} | ||
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@Override | ||
public UpdateSchema deleteColumn(String name) { | ||
throw new UnsupportedOperationException("hive table not support deleteColumn"); | ||
} | ||
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@Override | ||
public UpdateSchema moveFirst(String name) { | ||
throw new UnsupportedOperationException("hive table not support moveFirst"); | ||
} | ||
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@Override | ||
public UpdateSchema moveBefore(String name, String beforeName) { | ||
throw new UnsupportedOperationException("hive table not support moveBefore"); | ||
} | ||
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@Override | ||
public UpdateSchema moveAfter(String name, String afterName) { | ||
throw new UnsupportedOperationException("hive table not support moveAfter"); | ||
} | ||
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@Override | ||
public UpdateSchema unionByNameWith(Schema newSchema) { | ||
throw new UnsupportedOperationException("hive table not support unionByNameWith"); | ||
} | ||
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@Override | ||
public UpdateSchema setIdentifierFields(Collection<String> names) { | ||
throw new UnsupportedOperationException("hive table not support setIdentifierFields"); | ||
} | ||
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//It is strictly required that all non-partitioned columns precede partitioned columns in the schema. | ||
private void moveColBeforePar(String name) { | ||
if (!arcticTable.spec().isUnpartitioned()) { | ||
int parFieldMinIndex = Integer.MAX_VALUE; | ||
Types.NestedField firstParField = null; | ||
for (PartitionField partitionField : arcticTable.spec().fields()) { | ||
Types.NestedField sourceField = arcticTable.schema().findField(partitionField.sourceId()); | ||
if (arcticTable.schema().columns().indexOf(sourceField) < parFieldMinIndex) { | ||
parFieldMinIndex = arcticTable.schema().columns().indexOf(sourceField); | ||
firstParField = sourceField; | ||
} | ||
} | ||
if (firstParField != null) { | ||
this.updateSchema.moveBefore(name, firstParField.name()); | ||
} | ||
} | ||
} | ||
} |
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