本文整理了Java中org.apache.hadoop.hive.ql.metadata.Hive.alterDatabase()方法的一些代码示例，展示了Hive.alterDatabase()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Hive.alterDatabase()方法的具体详情如下：
包路径：org.apache.hadoop.hive.ql.metadata.Hive
类名称：Hive
方法名：alterDatabase

Hive.alterDatabase介绍

暂无

代码示例

代码示例来源：origin: apache/hive

void updateDbLocation(Database db, Path newLocation) throws HiveException {
 String msg = String.format("ALTER DATABASE %s SET LOCATION '%s'", db.getName(), newLocation);
 LOG.info(msg);
 db.setLocationUri(newLocation.toString());
 hive.alterDatabase(db.getName(), db);
}

代码示例来源：origin: apache/hive

public static void resetDbBootstrapDumpState(Hive hiveDb, String dbName,
                       String uniqueKey) throws HiveException {
 Database database = hiveDb.getDatabase(dbName);
 if (database != null) {
  Map<String, String> params = database.getParameters();
  if ((params != null) && params.containsKey(uniqueKey)) {
   params.remove(uniqueKey);
   database.setParameters(params);
   hiveDb.alterDatabase(dbName, database);
   LOG.info("REPL DUMP:: Reset property for Database: {}, Property: {}", dbName, uniqueKey);
  }
 }
}

代码示例来源：origin: apache/hive

public static String setDbBootstrapDumpState(Hive hiveDb, String dbName) throws HiveException {
 Database database = hiveDb.getDatabase(dbName);
 if (database == null) {
  return null;
 }
 Map<String, String> newParams = new HashMap<>();
 String uniqueKey = BOOTSTRAP_DUMP_STATE_KEY_PREFIX + UUID.randomUUID().toString();
 newParams.put(uniqueKey, ReplDumpState.ACTIVE.name());
 Map<String, String> params = database.getParameters();
 // if both old params are not null, merge them
 if (params != null) {
  params.putAll(newParams);
  database.setParameters(params);
 } else {
  // if one of them is null, replace the old params with the new one
  database.setParameters(newParams);
 }
 hiveDb.alterDatabase(dbName, database);
 LOG.info("REPL DUMP:: Set property for Database: {}, Property: {}, Value: {}",
     dbName, uniqueKey, Utils.ReplDumpState.ACTIVE.name());
 return uniqueKey;
}

代码示例来源：origin: apache/hive

db.alterDatabase(database.getName(), database);
return 0;

代码示例来源：origin: apache/drill

private int alterDatabase(Hive db, AlterDatabaseDesc alterDbDesc) throws HiveException {
 String dbName = alterDbDesc.getDatabaseName();
 Database database = db.getDatabase(dbName);
 if (database == null) {
  throw new HiveException(ErrorMsg.DATABASE_NOT_EXISTS, dbName);
 }
 switch (alterDbDesc.getAlterType()) {
 case ALTER_PROPERTY:
  Map<String, String> newParams = alterDbDesc.getDatabaseProperties();
  Map<String, String> params = database.getParameters();
  // if both old and new params are not null, merge them
  if (params != null && newParams != null) {
   params.putAll(newParams);
   database.setParameters(params);
  } else {
   // if one of them is null, replace the old params with the new one
   database.setParameters(newParams);
  }
  break;
 case ALTER_OWNER:
  database.setOwnerName(alterDbDesc.getOwnerPrincipal().getName());
  database.setOwnerType(alterDbDesc.getOwnerPrincipal().getType());
  break;
 default:
  throw new AssertionError("Unsupported alter database type! : " + alterDbDesc.getAlterType());
 }
 db.alterDatabase(database.getName(), database);
 return 0;
}

代码示例来源：origin: org.apache.hadoop.hive/hive-exec

private int alterDatabase(AlterDatabaseDesc alterDbDesc) throws HiveException {
 String dbName = alterDbDesc.getDatabaseName();
 Database database = db.getDatabase(dbName);
 Map<String, String> newParams = alterDbDesc.getDatabaseProperties();
 if (database != null) {
  Map<String, String> params = database.getParameters();
  // if both old and new params are not null, merge them
  if (params != null && newParams != null) {
   params.putAll(newParams);
   database.setParameters(params);
  } else { // if one of them is null, replace the old params with the new one
   database.setParameters(newParams);
  }
  db.alterDatabase(database.getName(), database);
 } else {
  throw new HiveException("ERROR: The database " + dbName + " does not exist.");
 }
 return 0;
}

代码示例来源：origin: com.facebook.presto.hive/hive-apache

private int alterDatabase(AlterDatabaseDesc alterDbDesc) throws HiveException {
 String dbName = alterDbDesc.getDatabaseName();
 Database database = db.getDatabase(dbName);
 if (database == null) {
  throw new HiveException(ErrorMsg.DATABASE_NOT_EXISTS, dbName);
 }
 switch (alterDbDesc.getAlterType()) {
 case ALTER_PROPERTY:
  Map<String, String> newParams = alterDbDesc.getDatabaseProperties();
  Map<String, String> params = database.getParameters();
  // if both old and new params are not null, merge them
  if (params != null && newParams != null) {
   params.putAll(newParams);
   database.setParameters(params);
  } else {
   // if one of them is null, replace the old params with the new one
   database.setParameters(newParams);
  }
  break;
 case ALTER_OWNER:
  database.setOwnerName(alterDbDesc.getOwnerPrincipal().getName());
  database.setOwnerType(alterDbDesc.getOwnerPrincipal().getType());
  break;
 default:
  throw new AssertionError("Unsupported alter database type! : " + alterDbDesc.getAlterType());
 }
 db.alterDatabase(database.getName(), database);
 return 0;
}