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ASF GitHub Bot logged work on HIVE-27177: ----------------------------------------- Author: ASF GitHub Bot Created on: 04/Apr/23 14:59 Start Date: 04/Apr/23 14:59 Worklog Time Spent: 10m Work Description: deniskuzZ commented on code in PR #4155: URL: https://github.com/apache/hive/pull/4155#discussion_r1157388147 ########## ql/src/java/org/apache/hadoop/hive/ql/ddl/table/convert/AlterTableConvertOperation.java: ########## @@ -0,0 +1,69 @@ +/* + * 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.hadoop.hive.ql.ddl.table.convert; + + +import org.apache.hadoop.hive.ql.ddl.DDLOperationContext; +import org.apache.hadoop.hive.ql.ddl.table.AbstractAlterTableOperation; +import org.apache.hadoop.hive.ql.metadata.HiveException; +import org.apache.hadoop.hive.ql.metadata.Partition; +import org.apache.hadoop.hive.ql.metadata.Table; +import org.apache.hadoop.hive.ql.parse.SemanticException; + +import java.util.Map; + +/** + * Operation process of ALTER TABLE ... CONVERT command + */ +public class AlterTableConvertOperation extends AbstractAlterTableOperation<AlterTableConvertDesc> { + + private enum ConversionFormats { + ICEBERG("org.apache.iceberg.mr.hive.HiveIcebergStorageHandler"); + + private final String className; + + ConversionFormats(String className) { + this.className = className; + } + + public String className() { + return className; + } + } + + public AlterTableConvertOperation(DDLOperationContext context, AlterTableConvertDesc desc) { + super(context, desc); + } + + @Override + protected void doAlteration(Table table, Partition partition) throws HiveException { + // Add the covert type + String convertType = desc.getConvertSpec().getTargetType(); + ConversionFormats format = ConversionFormats.valueOf(convertType); + if (format.className().equalsIgnoreCase(table.getParameters().get("storage_handler"))) { Review Comment: could we please use constant instead of string literal Issue Time Tracking ------------------- Worklog Id: (was: 854822) Time Spent: 1h 40m (was: 1.5h) > Add alter table...Convert to Iceberg command > -------------------------------------------- > > Key: HIVE-27177 > URL: https://issues.apache.org/jira/browse/HIVE-27177 > Project: Hive > Issue Type: Improvement > Reporter: Ayush Saxena > Assignee: Ayush Saxena > Priority: Major > Labels: pull-request-available > Time Spent: 1h 40m > Remaining Estimate: 0h > > Add an alter table <tblName> convert to Iceberg [TBLPROPERTIES('','')] to > convert exiting external tables to iceberg tables -- This message was sent by Atlassian Jira (v8.20.10#820010)