bvaradar commented on a change in pull request #4910: URL: https://github.com/apache/hudi/pull/4910#discussion_r829101083
########## File path: hudi-common/src/main/java/org/apache/hudi/internal/schema/utils/AvroSchemaUtil.java ########## @@ -0,0 +1,436 @@ +/* + * 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.hudi.internal.schema.utils; + +import static org.apache.avro.Schema.Type.UNION; + +import org.apache.avro.AvroRuntimeException; +import org.apache.avro.Conversions; +import org.apache.avro.JsonProperties; +import org.apache.avro.LogicalTypes; +import org.apache.avro.Schema; +import org.apache.avro.SchemaCompatibility; +import org.apache.avro.generic.GenericData; +import org.apache.avro.generic.GenericFixed; +import org.apache.avro.generic.GenericRecord; +import org.apache.avro.generic.IndexedRecord; +import org.apache.hudi.internal.schema.InternalSchema; +import org.apache.hudi.internal.schema.Types; +import org.apache.hudi.internal.schema.action.TableChanges; +import org.apache.hudi.internal.schema.convert.AvroInternalSchemaConverter; + +import java.math.BigDecimal; +import java.math.BigInteger; +import java.nio.charset.StandardCharsets; +import java.sql.Date; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.TimeZone; +import java.util.TreeMap; +import java.util.stream.Collectors; + +public class AvroSchemaUtil { + private AvroSchemaUtil() { + } + + private static final long MILLIS_PER_DAY = 86400000L; + + //Export for test + public static final Conversions.DecimalConversion DECIMAL_CONVERSION = new Conversions.DecimalConversion(); + + /** + * Given a avro record with a given schema, rewrites it into the new schema while setting fields only from the new schema. + * support deep rewrite for nested record. + * This particular method does the following things : + * a) Create a new empty GenericRecord with the new schema. + * b) For GenericRecord, copy over the data from the old schema to the new schema or set default values for all fields of this transformed schema + * + * @param oldRecord oldRecord to be rewrite Review comment: nit: rewrite -> rewritten -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
