difin commented on code in PR #6285: URL: https://github.com/apache/hive/pull/6285#discussion_r2790149416
########## ql/src/java/org/apache/hadoop/hive/ql/io/RowLineageInfo.java: ########## @@ -0,0 +1,63 @@ +/* + * 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.io; + +import org.apache.hadoop.conf.Configuration; + +public class RowLineageInfo { + + private final Long baseRowId; + private final Long lastUpdatedSequenceNumber; + + private static final String CONF_KEY_ROW_ID = "hive.io.context.row.lineage.row.id"; + private static final String CONF_KEY_LAST_UPDATED_SEQUENCE_NUMBER = + "hive.io.context.row.lineage.last.updated.sequence.number"; + + public RowLineageInfo(Long baseRowId, Long lastUpdatedSequenceNumber) { + this.baseRowId = baseRowId; + this.lastUpdatedSequenceNumber = lastUpdatedSequenceNumber; + } + + public Long getBaseRowId() { + return baseRowId; + } + + public Long getLastUpdatedSequenceNumber() { + return lastUpdatedSequenceNumber; + } + + public static RowLineageInfo parseFromConf(Configuration conf) { + Long rowId = conf.get(CONF_KEY_ROW_ID) != null ? Long.parseLong(conf.get(CONF_KEY_ROW_ID)) : null; + + Long lusn = conf.get(CONF_KEY_LAST_UPDATED_SEQUENCE_NUMBER) != null ? + Long.parseLong(conf.get(CONF_KEY_LAST_UPDATED_SEQUENCE_NUMBER)) : + null; + + return new RowLineageInfo(rowId, lusn); + } + + public static void setRowLineageInfoIntoConf(Long rowId, Long lusn, Configuration conf) { Review Comment: When is it needed to store a single row lineage info into conf? -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
