fengjian428 commented on a change in pull request #3671: URL: https://github.com/apache/hudi/pull/3671#discussion_r716492353
########## File path: hudi-utilities/src/main/java/org/apache/hudi/utilities/schema/HiveSchemaProvider.java ########## @@ -0,0 +1,112 @@ +/* + * 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.utilities.schema; + +import org.apache.avro.Schema; +import org.apache.hudi.AvroConversionUtils; +import org.apache.hudi.DataSourceUtils; +import org.apache.hudi.common.config.TypedProperties; +import org.apache.log4j.LogManager; +import org.apache.log4j.Logger; +import org.apache.spark.api.java.JavaSparkContext; +import org.apache.spark.sql.SparkSession; +import org.apache.spark.sql.catalyst.TableIdentifier; +import org.apache.spark.sql.catalyst.analysis.NoSuchDatabaseException; +import org.apache.spark.sql.catalyst.analysis.NoSuchTableException; +import org.apache.spark.sql.types.StructType; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +public class HiveSchemaProvider extends SchemaProvider { + + /** + * Configs supported. + */ + public static class Config { + private static final String SOURCE_SCHEMA_DATABASE_PROP = "hoodie.deltastreamer.schemaprovider.source.schema.hive.database"; + private static final String SOURCE_SCHEMA_TABLE_PROP = "hoodie.deltastreamer.schemaprovider.source.schema.hive.table"; + private static final String TARGET_SCHEMA_DATABASE_PROP = "hoodie.deltastreamer.schemaprovider.target.schema.hive.database"; + private static final String TARGET_SCHEMA_TABLE_PROP = "hoodie.deltastreamer.schemaprovider.target.schema.hive.table"; + } + + private static final Logger LOG = LogManager.getLogger(HiveSchemaProvider.class); + + private final Schema sourceSchema; + + private Schema targetSchema; + + public HiveSchemaProvider(TypedProperties props, JavaSparkContext jssc) { + super(props, jssc); + DataSourceUtils.checkRequiredProperties(props, Collections.singletonList(Config.SOURCE_SCHEMA_TABLE_PROP)); + String sourceSchemaDBName = props.getString(Config.SOURCE_SCHEMA_DATABASE_PROP, "default"); + String sourceSchemaTableName = props.getString(Config.SOURCE_SCHEMA_TABLE_PROP); + SparkSession spark = SparkSession.builder().config(jssc.getConf()).enableHiveSupport().getOrCreate(); + try { + TableIdentifier sourceSchemaTable = new TableIdentifier(sourceSchemaTableName, scala.Option.apply(sourceSchemaDBName)); + StructType sourceSchema = spark.sessionState().catalog().getTableMetadata(sourceSchemaTable).schema(); + + this.sourceSchema = AvroConversionUtils.convertStructTypeToAvroSchema( + sourceSchema, + sourceSchemaTableName, + "hoodie." + sourceSchemaDBName); + + if (props.containsKey(Config.TARGET_SCHEMA_TABLE_PROP)) { + String targetSchemaDBName = props.getString(Config.TARGET_SCHEMA_DATABASE_PROP, "default"); + String targetSchemaTableName = props.getString(Config.TARGET_SCHEMA_TABLE_PROP); + TableIdentifier targetSchemaTable = new TableIdentifier(targetSchemaTableName, scala.Option.apply(targetSchemaDBName)); + StructType targetSchema = spark.sessionState().catalog().getTableMetadata(targetSchemaTable).schema(); + this.targetSchema = AvroConversionUtils.convertStructTypeToAvroSchema( + targetSchema, + targetSchemaTableName, + "hoodie." + targetSchemaDBName); + LOG.warn(this.targetSchema.toString(true)); Review comment: sorry this is only for test, already removed it -- 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: commits-unsubscr...@hudi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
