miklosgergely commented on a change in pull request #1756: URL: https://github.com/apache/hive/pull/1756#discussion_r550923722
########## File path: ql/src/java/org/apache/hadoop/hive/ql/ddl/database/show/ShowDatabasesFormatter.java ########## @@ -0,0 +1,68 @@ +/* + * 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.database.show; + +import org.apache.hadoop.hive.conf.HiveConf; +import org.apache.hadoop.hive.ql.ddl.ShowUtils; +import org.apache.hadoop.hive.ql.exec.Utilities; +import org.apache.hadoop.hive.ql.metadata.HiveException; +import org.apache.hadoop.hive.ql.metadata.formatting.MapBuilder; +import org.apache.hadoop.hive.ql.metadata.formatting.MetaDataFormatUtils; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.util.List; + +/** + * Formats SHOW DATABASES results. + */ +abstract class ShowDatabasesFormatter { + static ShowDatabasesFormatter getFormatter(HiveConf conf) { + if (MetaDataFormatUtils.isJson(conf)) { + return new JsonShowDatabasesFormatter(); + } else { + return new TextShowDatabasesFormatter(); + } + } + + abstract void showDatabases(DataOutputStream out, List<String> databases) throws HiveException; + + // ------ Implementations ------ + + static class JsonShowDatabasesFormatter extends ShowDatabasesFormatter { + @Override + void showDatabases(DataOutputStream out, List<String> databases) throws HiveException { + ShowUtils.asJson(out, MapBuilder.create().put("databases", databases).build()); + } + } + + static class TextShowDatabasesFormatter extends ShowDatabasesFormatter { + @Override + void showDatabases(DataOutputStream out, List<String> databases) throws HiveException { + try { + for (String database : databases) { + out.write(database.getBytes("UTF-8")); Review comment: Fixed. ########## File path: ql/src/java/org/apache/hadoop/hive/ql/ddl/database/desc/DescDatabaseFormatter.java ########## @@ -0,0 +1,115 @@ +/* + * 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.database.desc; + +import org.apache.commons.collections.MapUtils; +import org.apache.hadoop.hive.conf.HiveConf; +import org.apache.hadoop.hive.metastore.api.PrincipalType; +import org.apache.hadoop.hive.ql.ddl.ShowUtils; +import org.apache.hadoop.hive.ql.exec.Utilities; +import org.apache.hadoop.hive.ql.metadata.HiveException; +import org.apache.hadoop.hive.ql.metadata.formatting.MapBuilder; +import org.apache.hadoop.hive.ql.metadata.formatting.MetaDataFormatUtils; +import org.apache.hive.common.util.HiveStringUtils; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.util.Map; + +/** + * Formats DESC DATABASES results. + */ +abstract class DescDatabaseFormatter { + static DescDatabaseFormatter getFormatter(HiveConf conf) { + if (MetaDataFormatUtils.isJson(conf)) { + return new JsonDescDatabaseFormatter(); + } else { + return new TextDescDatabaseFormatter(); + } + } + + abstract void showDatabaseDescription(DataOutputStream out, String database, String comment, String location, + String managedLocation, String ownerName, PrincipalType ownerType, Map<String, String> params) + throws HiveException; + + // ------ Implementations ------ + + static class JsonDescDatabaseFormatter extends DescDatabaseFormatter { + @Override + void showDatabaseDescription(DataOutputStream out, String database, String comment, String location, + String managedLocation, String ownerName, PrincipalType ownerType, Map<String, String> params) + throws HiveException { + MapBuilder builder = MapBuilder.create() + .put("database", database) + .put("comment", comment) + .put("location", location); + if (managedLocation != null) { + builder.put("managedLocation", managedLocation); + } + if (ownerName != null) { + builder.put("owner", ownerName); + } + if (ownerType != null) { + builder.put("ownerType", ownerType.name()); + } + if (MapUtils.isNotEmpty(params)) { + builder.put("params", params); + } + ShowUtils.asJson(out, builder.build()); + } + } + + static class TextDescDatabaseFormatter extends DescDatabaseFormatter { + @Override + void showDatabaseDescription(DataOutputStream out, String database, String comment, String location, + String managedLocation, String ownerName, PrincipalType ownerType, Map<String, String> params) + throws HiveException { + try { + out.write(database.getBytes("UTF-8")); + out.write(Utilities.tabCode); + if (comment != null) { + out.write(HiveStringUtils.escapeJava(comment).getBytes("UTF-8")); + } + out.write(Utilities.tabCode); + if (location != null) { + out.write(location.getBytes("UTF-8")); + } + out.write(Utilities.tabCode); + if (managedLocation != null) { + out.write(managedLocation.getBytes("UTF-8")); + } + out.write(Utilities.tabCode); + if (ownerName != null) { + out.write(ownerName.getBytes("UTF-8")); + } + out.write(Utilities.tabCode); + if (ownerType != null) { + out.write(ownerType.name().getBytes("UTF-8")); + } + out.write(Utilities.tabCode); + if (MapUtils.isNotEmpty(params)) { + out.write(params.toString().getBytes("UTF-8")); + } Review comment: Fixed. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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