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PHOENIX-7474 Migrate IndexTool tables and make sure they are created
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phoenix-core-client/src/main/java/org/apache/phoenix/mapreduce/index/IndexToolClient.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. | ||
| */ | ||
| package org.apache.phoenix.mapreduce.index; | ||
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| import java.io.IOException; | ||
| import java.sql.Connection; | ||
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| import java.sql.SQLException; | ||
| import java.util.UUID; | ||
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| import com.google.common.annotations.VisibleForTesting; | ||
| import org.apache.hadoop.hbase.TableExistsException; | ||
| import org.apache.hadoop.hbase.client.*; | ||
| import org.apache.phoenix.coprocessorclient.MetaDataProtocol; | ||
| import org.apache.phoenix.query.QueryConstants; | ||
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| import org.apache.hadoop.conf.Configured; | ||
| import org.apache.hadoop.hbase.TableName; | ||
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| import org.apache.phoenix.jdbc.PhoenixConnection; | ||
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| import org.apache.phoenix.query.ConnectionQueryServices; | ||
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| import org.apache.phoenix.schema.PTableType; | ||
| import org.apache.phoenix.util.SchemaUtil; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import static org.apache.phoenix.query.QueryConstants.SYSTEM_SCHEMA_NAME; | ||
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| /** | ||
| * An MR job to populate the index table from the data table. | ||
| * | ||
| */ | ||
| public class IndexToolClient extends Configured { | ||
| private static final Logger LOGGER = LoggerFactory.getLogger(IndexToolClient.class); | ||
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| public final static String OUTPUT_TABLE_NAME = "PHOENIX_INDEX_TOOL"; | ||
| public static String SYSTEM_OUTPUT_TABLE_NAME = SchemaUtil.getTableName(SYSTEM_SCHEMA_NAME, | ||
| OUTPUT_TABLE_NAME); | ||
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| public final static String RESULT_TABLE_NAME = "PHOENIX_INDEX_TOOL_RESULT"; | ||
| public static String SYSTEM_RESULT_TABLE_NAME = SchemaUtil.getTableName(SYSTEM_SCHEMA_NAME, | ||
| RESULT_TABLE_NAME); | ||
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| public static void setIndexToolTableName(Connection connection) throws Exception { | ||
| ConnectionQueryServices queryServices = connection.unwrap(PhoenixConnection.class).getQueryServices(); | ||
| if (SchemaUtil.isNamespaceMappingEnabled(PTableType.SYSTEM, queryServices.getConfiguration())) { | ||
| SYSTEM_OUTPUT_TABLE_NAME = SYSTEM_OUTPUT_TABLE_NAME.replace( | ||
| QueryConstants.NAME_SEPARATOR, | ||
| QueryConstants.NAMESPACE_SEPARATOR); | ||
| SYSTEM_RESULT_TABLE_NAME = SYSTEM_RESULT_TABLE_NAME.replace( | ||
| QueryConstants.NAME_SEPARATOR, | ||
| QueryConstants.NAMESPACE_SEPARATOR); | ||
| } | ||
| } | ||
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| public static Table createResultTable(Connection connection) throws IOException, SQLException { | ||
| ConnectionQueryServices queryServices = connection.unwrap(PhoenixConnection.class).getQueryServices(); | ||
| try (Admin admin = queryServices.getAdmin()) { | ||
| TableName resultTableName = TableName.valueOf(SYSTEM_RESULT_TABLE_NAME); | ||
| return createTable(admin, resultTableName); | ||
| } | ||
| } | ||
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| public static Table createOutputTable(Connection connection) throws IOException, SQLException { | ||
| ConnectionQueryServices queryServices = connection.unwrap(PhoenixConnection.class).getQueryServices(); | ||
| try (Admin admin = queryServices.getAdmin()) { | ||
| TableName outputTableName = TableName.valueOf(SYSTEM_OUTPUT_TABLE_NAME); | ||
| return createTable(admin, outputTableName); | ||
| } | ||
| } | ||
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| @VisibleForTesting | ||
| private static Table createTable(Admin admin, TableName tableName) throws IOException { | ||
| if (!admin.tableExists(tableName)) { | ||
| ColumnFamilyDescriptor columnDescriptor = | ||
| ColumnFamilyDescriptorBuilder | ||
| .newBuilder(QueryConstants.DEFAULT_COLUMN_FAMILY_BYTES) | ||
| .setTimeToLive(MetaDataProtocol.DEFAULT_LOG_TTL) | ||
| .build(); | ||
| TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName) | ||
| .setColumnFamily(columnDescriptor).build(); | ||
| try { | ||
| admin.createTable(tableDescriptor); | ||
| } catch (TableExistsException e) { | ||
| LOGGER.warn("Table exists, ignoring", e); | ||
| } | ||
| } | ||
| return admin.getConnection().getTable(tableName); | ||
| } | ||
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| public static void createNewIndexToolTables(Connection connection) throws Exception { | ||
| setIndexToolTableName(connection); | ||
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| migrateTable(connection, OUTPUT_TABLE_NAME); | ||
| migrateTable(connection, RESULT_TABLE_NAME); | ||
| } | ||
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| private static void migrateTable(Connection connection, String tableName) throws Exception { | ||
| if (!tableName.equals(OUTPUT_TABLE_NAME) && !tableName.equals(RESULT_TABLE_NAME)) { | ||
| LOGGER.info("Only migrating PHOENIX_INDEX_TOOL tables!"); | ||
| } else { | ||
| ConnectionQueryServices queryServices = connection.unwrap(PhoenixConnection.class).getQueryServices(); | ||
| try (Admin admin = queryServices.getAdmin()) { | ||
| TableName oldTableName = TableName.valueOf(tableName); | ||
| String newTableNameString = tableName.equals(OUTPUT_TABLE_NAME) ? | ||
| SYSTEM_OUTPUT_TABLE_NAME : SYSTEM_RESULT_TABLE_NAME; | ||
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| TableName newTableName = TableName.valueOf(newTableNameString); | ||
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| if (admin.tableExists(oldTableName)) { | ||
| String snapshotName = tableName + "_" + UUID.randomUUID(); | ||
| admin.disableTable(oldTableName); | ||
| admin.snapshot(snapshotName, oldTableName); | ||
| admin.cloneSnapshot(snapshotName, newTableName); | ||
| admin.deleteSnapshot(snapshotName); | ||
| admin.deleteTable(oldTableName); | ||
| } else { | ||
| createTable(admin, newTableName); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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