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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.hadoop.hive.metastore;
import static org.apache.commons.lang.StringUtils.join;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_COMMENT;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_NAME;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.validateName;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Formatter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.Timer;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.regex.Pattern;
import javax.jdo.JDOException;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.FileUtils;
import org.apache.hadoop.hive.common.LogUtils;
import org.apache.hadoop.hive.common.LogUtils.LogInitializationException;
import org.apache.hadoop.hive.common.classification.InterfaceAudience;
import org.apache.hadoop.hive.common.classification.InterfaceStability;
import org.apache.hadoop.hive.common.cli.CommonCliOptions;
import org.apache.hadoop.hive.common.metrics.Metrics;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.api.AbortTxnRequest;
import org.apache.hadoop.hive.metastore.api.AddDynamicPartitions;
import org.apache.hadoop.hive.metastore.api.AddPartitionsRequest;
import org.apache.hadoop.hive.metastore.api.AddPartitionsResult;
import org.apache.hadoop.hive.metastore.api.AggrStats;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.CheckLockRequest;
import org.apache.hadoop.hive.metastore.api.ColumnStatistics;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsDesc;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj;
import org.apache.hadoop.hive.metastore.api.CommitTxnRequest;
import org.apache.hadoop.hive.metastore.api.CompactionRequest;
import org.apache.hadoop.hive.metastore.api.ConfigValSecurityException;
import org.apache.hadoop.hive.metastore.api.CurrentNotificationEventId;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.DropPartitionsExpr;
import org.apache.hadoop.hive.metastore.api.DropPartitionsRequest;
import org.apache.hadoop.hive.metastore.api.DropPartitionsResult;
import org.apache.hadoop.hive.metastore.api.EnvironmentContext;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.FireEventRequest;
import org.apache.hadoop.hive.metastore.api.FireEventResponse;
import org.apache.hadoop.hive.metastore.api.Function;
import org.apache.hadoop.hive.metastore.api.GetOpenTxnsInfoResponse;
import org.apache.hadoop.hive.metastore.api.GetOpenTxnsResponse;
import org.apache.hadoop.hive.metastore.api.GetPrincipalsInRoleRequest;
import org.apache.hadoop.hive.metastore.api.GetPrincipalsInRoleResponse;
import org.apache.hadoop.hive.metastore.api.GetRoleGrantsForPrincipalRequest;
import org.apache.hadoop.hive.metastore.api.GetRoleGrantsForPrincipalResponse;
import org.apache.hadoop.hive.metastore.api.GrantRevokePrivilegeRequest;
import org.apache.hadoop.hive.metastore.api.GrantRevokePrivilegeResponse;
import org.apache.hadoop.hive.metastore.api.GrantRevokeRoleRequest;
import org.apache.hadoop.hive.metastore.api.GrantRevokeRoleResponse;
import org.apache.hadoop.hive.metastore.api.HeartbeatRequest;
import org.apache.hadoop.hive.metastore.api.HeartbeatTxnRangeRequest;
import org.apache.hadoop.hive.metastore.api.HeartbeatTxnRangeResponse;
import org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege;
import org.apache.hadoop.hive.metastore.api.HiveObjectRef;
import org.apache.hadoop.hive.metastore.api.HiveObjectType;
import org.apache.hadoop.hive.metastore.api.Index;
import org.apache.hadoop.hive.metastore.api.InvalidInputException;
import org.apache.hadoop.hive.metastore.api.InvalidObjectException;
import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
import org.apache.hadoop.hive.metastore.api.InvalidPartitionException;
import org.apache.hadoop.hive.metastore.api.LockRequest;
import org.apache.hadoop.hive.metastore.api.LockResponse;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.NoSuchLockException;
import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
import org.apache.hadoop.hive.metastore.api.NoSuchTxnException;
import org.apache.hadoop.hive.metastore.api.NotificationEventRequest;
import org.apache.hadoop.hive.metastore.api.NotificationEventResponse;
import org.apache.hadoop.hive.metastore.api.OpenTxnRequest;
import org.apache.hadoop.hive.metastore.api.OpenTxnsResponse;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.PartitionEventType;
import org.apache.hadoop.hive.metastore.api.PartitionListComposingSpec;
import org.apache.hadoop.hive.metastore.api.PartitionSpec;
import org.apache.hadoop.hive.metastore.api.PartitionSpecWithSharedSD;
import org.apache.hadoop.hive.metastore.api.PartitionWithoutSD;
import org.apache.hadoop.hive.metastore.api.PartitionsByExprRequest;
import org.apache.hadoop.hive.metastore.api.PartitionsByExprResult;
import org.apache.hadoop.hive.metastore.api.PartitionsStatsRequest;
import org.apache.hadoop.hive.metastore.api.PartitionsStatsResult;
import org.apache.hadoop.hive.metastore.api.PrincipalPrivilegeSet;
import org.apache.hadoop.hive.metastore.api.PrincipalType;
import org.apache.hadoop.hive.metastore.api.PrivilegeBag;
import org.apache.hadoop.hive.metastore.api.PrivilegeGrantInfo;
import org.apache.hadoop.hive.metastore.api.RequestPartsSpec;
import org.apache.hadoop.hive.metastore.api.Role;
import org.apache.hadoop.hive.metastore.api.RolePrincipalGrant;
import org.apache.hadoop.hive.metastore.api.SetPartitionsStatsRequest;
import org.apache.hadoop.hive.metastore.api.ShowCompactRequest;
import org.apache.hadoop.hive.metastore.api.ShowCompactResponse;
import org.apache.hadoop.hive.metastore.api.ShowLocksRequest;
import org.apache.hadoop.hive.metastore.api.ShowLocksResponse;
import org.apache.hadoop.hive.metastore.api.SkewedInfo;
import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
import org.apache.hadoop.hive.metastore.api.Table;
import org.apache.hadoop.hive.metastore.api.TableStatsRequest;
import org.apache.hadoop.hive.metastore.api.TableStatsResult;
import org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore;
import org.apache.hadoop.hive.metastore.api.TxnAbortedException;
import org.apache.hadoop.hive.metastore.api.TxnOpenException;
import org.apache.hadoop.hive.metastore.api.Type;
import org.apache.hadoop.hive.metastore.api.UnknownDBException;
import org.apache.hadoop.hive.metastore.api.UnknownPartitionException;
import org.apache.hadoop.hive.metastore.api.UnknownTableException;
import org.apache.hadoop.hive.metastore.api.UnlockRequest;
import org.apache.hadoop.hive.metastore.api.hive_metastoreConstants;
import org.apache.hadoop.hive.metastore.events.AddIndexEvent;
import org.apache.hadoop.hive.metastore.events.AddPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterIndexEvent;
import org.apache.hadoop.hive.metastore.events.AlterPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterTableEvent;
import org.apache.hadoop.hive.metastore.events.ConfigChangeEvent;
import org.apache.hadoop.hive.metastore.events.CreateDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.CreateTableEvent;
import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.DropIndexEvent;
import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
import org.apache.hadoop.hive.metastore.events.DropTableEvent;
import org.apache.hadoop.hive.metastore.events.EventCleanerTask;
import org.apache.hadoop.hive.metastore.events.InsertEvent;
import org.apache.hadoop.hive.metastore.events.LoadPartitionDoneEvent;
import org.apache.hadoop.hive.metastore.events.PreAddIndexEvent;
import org.apache.hadoop.hive.metastore.events.PreAddPartitionEvent;
import org.apache.hadoop.hive.metastore.events.PreAlterIndexEvent;
import org.apache.hadoop.hive.metastore.events.PreAlterPartitionEvent;
import org.apache.hadoop.hive.metastore.events.PreAlterTableEvent;
import org.apache.hadoop.hive.metastore.events.PreAuthorizationCallEvent;
import org.apache.hadoop.hive.metastore.events.PreCreateDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.PreCreateTableEvent;
import org.apache.hadoop.hive.metastore.events.PreDropDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.PreDropIndexEvent;
import org.apache.hadoop.hive.metastore.events.PreDropPartitionEvent;
import org.apache.hadoop.hive.metastore.events.PreDropTableEvent;
import org.apache.hadoop.hive.metastore.events.PreEventContext;
import org.apache.hadoop.hive.metastore.events.PreLoadPartitionDoneEvent;
import org.apache.hadoop.hive.metastore.events.PreReadDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.PreReadTableEvent;
import org.apache.hadoop.hive.metastore.model.MDBPrivilege;
import org.apache.hadoop.hive.metastore.model.MGlobalPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionPrivilege;
import org.apache.hadoop.hive.metastore.model.MRole;
import org.apache.hadoop.hive.metastore.model.MRoleMap;
import org.apache.hadoop.hive.metastore.model.MTableColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MTablePrivilege;
import org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy;
import org.apache.hadoop.hive.metastore.txn.TxnHandler;
import org.apache.hadoop.hive.serde2.Deserializer;
import org.apache.hadoop.hive.serde2.SerDeException;
import org.apache.hadoop.hive.shims.HadoopShims;
import org.apache.hadoop.hive.shims.ShimLoader;
import org.apache.hadoop.hive.shims.Utils;
import org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge;
import org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge.Server.ServerMode;
import org.apache.hadoop.hive.thrift.TUGIContainingTransport;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.hadoop.util.StringUtils;
import org.apache.thrift.TException;
import org.apache.thrift.TProcessor;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TCompactProtocol;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportFactory;
import com.facebook.fb303.FacebookBase;
import com.facebook.fb303.fb_status;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Splitter;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Multimaps;
/**
* TODO:pc remove application logic to a separate interface.
*/
public class HiveMetaStore extends ThriftHiveMetastore {
public static final Log LOG = LogFactory.getLog(HiveMetaStore.class);
// boolean that tells if the HiveMetaStore (remote) server is being used.
// Can be used to determine if the calls to metastore api (HMSHandler) are being made with
// embedded metastore or a remote one
private static boolean isMetaStoreRemote = false;
// Used for testing to simulate method timeout.
@VisibleForTesting
static boolean TEST_TIMEOUT_ENABLED = false;
@VisibleForTesting
static long TEST_TIMEOUT_VALUE = -1;
/** A fixed date format to be used for hive partition column values. */
public static final ThreadLocal PARTITION_DATE_FORMAT =
new ThreadLocal() {
@Override
protected DateFormat initialValue() {
DateFormat val = new SimpleDateFormat("yyyy-MM-dd");
val.setLenient(false); // Without this, 2020-20-20 becomes 2021-08-20.
return val;
};
};
/**
* default port on which to start the Hive server
*/
private static final int DEFAULT_HIVE_METASTORE_PORT = 9083;
public static final String ADMIN = "admin";
public static final String PUBLIC = "public";
private static HadoopThriftAuthBridge.Server saslServer;
private static boolean useSasl;
private static final class ChainedTTransportFactory extends TTransportFactory {
private final TTransportFactory parentTransFactory;
private final TTransportFactory childTransFactory;
private ChainedTTransportFactory(
TTransportFactory parentTransFactory,
TTransportFactory childTransFactory) {
this.parentTransFactory = parentTransFactory;
this.childTransFactory = childTransFactory;
}
@Override
public TTransport getTransport(TTransport trans) {
return childTransFactory.getTransport(parentTransFactory.getTransport(trans));
}
}
public static class HMSHandler extends FacebookBase implements
IHMSHandler {
public static final Log LOG = HiveMetaStore.LOG;
private String rawStoreClassName;
private final HiveConf hiveConf; // stores datastore (jpox) properties,
// right now they come from jpox.properties
private static String currentUrl;
private Warehouse wh; // hdfs warehouse
private static final ThreadLocal threadLocalMS =
new ThreadLocal() {
@Override
protected synchronized RawStore initialValue() {
return null;
}
};
private static final ThreadLocal threadLocalTxn = new ThreadLocal() {
@Override
protected synchronized TxnHandler initialValue() {
return null;
}
};
public static RawStore getRawStore() {
return threadLocalMS.get();
}
public static void removeRawStore() {
threadLocalMS.remove();
}
// Thread local configuration is needed as many threads could make changes
// to the conf using the connection hook
private static final ThreadLocal threadLocalConf =
new ThreadLocal() {
@Override
protected synchronized Configuration initialValue() {
return null;
}
};
public static final String AUDIT_FORMAT =
"ugi=%s\t" + // ugi
"ip=%s\t" + // remote IP
"cmd=%s\t"; // command
public static final Log auditLog = LogFactory.getLog(
HiveMetaStore.class.getName() + ".audit");
private static final ThreadLocal auditFormatter =
new ThreadLocal() {
@Override
protected Formatter initialValue() {
return new Formatter(new StringBuilder(AUDIT_FORMAT.length() * 4));
}
};
private final void logAuditEvent(String cmd) {
if (cmd == null) {
return;
}
UserGroupInformation ugi;
try {
ugi = Utils.getUGI();
} catch (Exception ex) {
throw new RuntimeException(ex);
}
final Formatter fmt = auditFormatter.get();
((StringBuilder) fmt.out()).setLength(0);
String address = null;
if (useSasl) {
if (saslServer != null && saslServer.getRemoteAddress() != null) {
address = String.valueOf(saslServer.getRemoteAddress());
}
} else {
address = getIpAddress();
}
if (address == null) {
address = "unknown-ip-addr";
}
auditLog.info(fmt.format(AUDIT_FORMAT, ugi.getUserName(),
address, cmd).toString());
}
private static int nextSerialNum = 0;
private static ThreadLocal threadLocalId = new ThreadLocal() {
@Override
protected synchronized Integer initialValue() {
return new Integer(nextSerialNum++);
}
};
// This will only be set if the metastore is being accessed from a metastore Thrift server,
// not if it is from the CLI. Also, only if the TTransport being used to connect is an
// instance of TSocket.
private static ThreadLocal threadLocalIpAddress = new ThreadLocal() {
@Override
protected synchronized String initialValue() {
return null;
}
};
public static void setIpAddress(String ipAddress) {
threadLocalIpAddress.set(ipAddress);
}
// This will return null if the metastore is not being accessed from a metastore Thrift server,
// or if the TTransport being used to connect is not an instance of TSocket.
public static String getIpAddress() {
return threadLocalIpAddress.get();
}
public static Integer get() {
return threadLocalId.get();
}
public HMSHandler(String name) throws MetaException {
this(name, new HiveConf(HMSHandler.class), true);
}
public HMSHandler(String name, HiveConf conf) throws MetaException {
this(name, conf, true);
}
public HMSHandler(String name, HiveConf conf, boolean init) throws MetaException {
super(name);
hiveConf = conf;
if (init) {
init();
}
}
public HiveConf getHiveConf() {
return hiveConf;
}
private ClassLoader classLoader;
private AlterHandler alterHandler;
private List preListeners;
private List listeners;
private List endFunctionListeners;
private List initListeners;
private Pattern partitionValidationPattern;
{
classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader == null) {
classLoader = Configuration.class.getClassLoader();
}
}
@Override
public void init() throws MetaException {
rawStoreClassName = hiveConf.getVar(HiveConf.ConfVars.METASTORE_RAW_STORE_IMPL);
initListeners = MetaStoreUtils.getMetaStoreListeners(
MetaStoreInitListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_INIT_HOOKS));
for (MetaStoreInitListener singleInitListener: initListeners) {
MetaStoreInitContext context = new MetaStoreInitContext();
singleInitListener.onInit(context);
}
String alterHandlerName = hiveConf.get("hive.metastore.alter.impl",
HiveAlterHandler.class.getName());
alterHandler = (AlterHandler) ReflectionUtils.newInstance(MetaStoreUtils.getClass(
alterHandlerName), hiveConf);
wh = new Warehouse(hiveConf);
synchronized (HMSHandler.class) {
if (currentUrl == null || !currentUrl.equals(MetaStoreInit.getConnectionURL(hiveConf))) {
createDefaultDB();
createDefaultRoles();
addAdminUsers();
currentUrl = MetaStoreInit.getConnectionURL(hiveConf);
}
}
if (hiveConf.getBoolean("hive.metastore.metrics.enabled", false)) {
try {
Metrics.init();
} catch (Exception e) {
// log exception, but ignore inability to start
LOG.error("error in Metrics init: " + e.getClass().getName() + " "
+ e.getMessage(), e);
}
}
preListeners = MetaStoreUtils.getMetaStoreListeners(MetaStorePreEventListener.class,
hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_PRE_EVENT_LISTENERS));
listeners = MetaStoreUtils.getMetaStoreListeners(MetaStoreEventListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_EVENT_LISTENERS));
listeners.add(new SessionPropertiesListener(hiveConf));
endFunctionListeners = MetaStoreUtils.getMetaStoreListeners(
MetaStoreEndFunctionListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_END_FUNCTION_LISTENERS));
String partitionValidationRegex =
hiveConf.getVar(HiveConf.ConfVars.METASTORE_PARTITION_NAME_WHITELIST_PATTERN);
if (partitionValidationRegex != null && !partitionValidationRegex.isEmpty()) {
partitionValidationPattern = Pattern.compile(partitionValidationRegex);
} else {
partitionValidationPattern = null;
}
long cleanFreq = hiveConf.getTimeVar(ConfVars.METASTORE_EVENT_CLEAN_FREQ, TimeUnit.MILLISECONDS);
if (cleanFreq > 0) {
// In default config, there is no timer.
Timer cleaner = new Timer("Metastore Events Cleaner Thread", true);
cleaner.schedule(new EventCleanerTask(this), cleanFreq, cleanFreq);
}
}
private String addPrefix(String s) {
return threadLocalId.get() + ": " + s;
}
@Override
public void setConf(Configuration conf) {
threadLocalConf.set(conf);
RawStore ms = threadLocalMS.get();
if (ms != null) {
ms.setConf(conf); // reload if DS related configuration is changed
}
}
@Override
public Configuration getConf() {
Configuration conf = threadLocalConf.get();
if (conf == null) {
conf = new Configuration(hiveConf);
threadLocalConf.set(conf);
}
return conf;
}
public Warehouse getWh() {
return wh;
}
@Override
public void setMetaConf(String key, String value) throws MetaException {
ConfVars confVar = HiveConf.getMetaConf(key);
if (confVar == null) {
throw new MetaException("Invalid configuration key " + key);
}
String validate = confVar.validate(value);
if (validate != null) {
throw new MetaException("Invalid configuration value " + value + " for key " + key +
" by " + validate);
}
Configuration configuration = getConf();
String oldValue = configuration.get(key);
configuration.set(key, value);
for (MetaStoreEventListener listener : listeners) {
listener.onConfigChange(new ConfigChangeEvent(this, key, oldValue, value));
}
}
@Override
public String getMetaConf(String key) throws MetaException {
ConfVars confVar = HiveConf.getMetaConf(key);
if (confVar == null) {
throw new MetaException("Invalid configuration key " + key);
}
return getConf().get(key);
}
/**
* Get a cached RawStore.
*
* @return the cached RawStore
* @throws MetaException
*/
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public RawStore getMS() throws MetaException {
RawStore ms = threadLocalMS.get();
if (ms == null) {
ms = newRawStore();
ms.verifySchema();
threadLocalMS.set(ms);
ms = threadLocalMS.get();
}
return ms;
}
private TxnHandler getTxnHandler() {
TxnHandler txn = threadLocalTxn.get();
if (txn == null) {
txn = new TxnHandler(hiveConf);
threadLocalTxn.set(txn);
}
return txn;
}
private RawStore newRawStore() throws MetaException {
LOG.info(addPrefix("Opening raw store with implemenation class:"
+ rawStoreClassName));
Configuration conf = getConf();
return RawStoreProxy.getProxy(hiveConf, conf, rawStoreClassName, threadLocalId.get());
}
private void createDefaultDB_core(RawStore ms) throws MetaException, InvalidObjectException {
try {
ms.getDatabase(DEFAULT_DATABASE_NAME);
} catch (NoSuchObjectException e) {
Database db = new Database(DEFAULT_DATABASE_NAME, DEFAULT_DATABASE_COMMENT,
wh.getDefaultDatabasePath(DEFAULT_DATABASE_NAME).toString(), null);
db.setOwnerName(PUBLIC);
db.setOwnerType(PrincipalType.ROLE);
ms.createDatabase(db);
}
}
/**
* create default database if it doesn't exist.
*
* This is a potential contention when HiveServer2 using embedded metastore and Metastore
* Server try to concurrently invoke createDefaultDB. If one failed, JDOException was caught
* for one more time try, if failed again, simply ignored by warning, which meant another
* succeeds.
*
* @throws MetaException
*/
private void createDefaultDB() throws MetaException {
try {
createDefaultDB_core(getMS());
} catch (JDOException e) {
LOG.warn("Retrying creating default database after error: " + e.getMessage(), e);
try {
createDefaultDB_core(getMS());
} catch (InvalidObjectException e1) {
throw new MetaException(e1.getMessage());
}
} catch (InvalidObjectException e) {
throw new MetaException(e.getMessage());
}
}
/**
* create default roles if they don't exist.
*
* This is a potential contention when HiveServer2 using embedded metastore and Metastore
* Server try to concurrently invoke createDefaultRoles. If one failed, JDOException was caught
* for one more time try, if failed again, simply ignored by warning, which meant another
* succeeds.
*
* @throws MetaException
*/
private void createDefaultRoles() throws MetaException {
try {
createDefaultRoles_core();
} catch (JDOException e) {
LOG.warn("Retrying creating default roles after error: " + e.getMessage(), e);
createDefaultRoles_core();
}
}
private void createDefaultRoles_core() throws MetaException {
RawStore ms = getMS();
try {
ms.addRole(ADMIN, ADMIN);
} catch (InvalidObjectException e) {
LOG.debug(ADMIN +" role already exists",e);
} catch (NoSuchObjectException e) {
// This should never be thrown.
LOG.warn("Unexpected exception while adding " +ADMIN+" roles" , e);
}
LOG.info("Added "+ ADMIN+ " role in metastore");
try {
ms.addRole(PUBLIC, PUBLIC);
} catch (InvalidObjectException e) {
LOG.debug(PUBLIC + " role already exists",e);
} catch (NoSuchObjectException e) {
// This should never be thrown.
LOG.warn("Unexpected exception while adding "+PUBLIC +" roles" , e);
}
LOG.info("Added "+PUBLIC+ " role in metastore");
// now grant all privs to admin
PrivilegeBag privs = new PrivilegeBag();
privs.addToPrivileges(new HiveObjectPrivilege( new HiveObjectRef(HiveObjectType.GLOBAL, null,
null, null, null), ADMIN, PrincipalType.ROLE, new PrivilegeGrantInfo("All", 0, ADMIN,
PrincipalType.ROLE, true)));
try {
ms.grantPrivileges(privs);
} catch (InvalidObjectException e) {
// Surprisingly these privs are already granted.
LOG.debug("Failed while granting global privs to admin", e);
} catch (NoSuchObjectException e) {
// Unlikely to be thrown.
LOG.warn("Failed while granting global privs to admin", e);
}
}
/**
* add admin users if they don't exist.
*
* This is a potential contention when HiveServer2 using embedded metastore and Metastore
* Server try to concurrently invoke addAdminUsers. If one failed, JDOException was caught for
* one more time try, if failed again, simply ignored by warning, which meant another succeeds.
*
* @throws MetaException
*/
private void addAdminUsers() throws MetaException {
try {
addAdminUsers_core();
} catch (JDOException e) {
LOG.warn("Retrying adding admin users after error: " + e.getMessage(), e);
addAdminUsers_core();
}
}
private void addAdminUsers_core() throws MetaException {
// now add pre-configured users to admin role
String userStr = HiveConf.getVar(hiveConf,ConfVars.USERS_IN_ADMIN_ROLE,"").trim();
if (userStr.isEmpty()) {
LOG.info("No user is added in admin role, since config is empty");
return;
}
// Since user names need to be valid unix user names, per IEEE Std 1003.1-2001 they cannot
// contain comma, so we can safely split above string on comma.
Iterator users = Splitter.on(",").trimResults().omitEmptyStrings().split(userStr).iterator();
if (!users.hasNext()) {
LOG.info("No user is added in admin role, since config value "+ userStr +
" is in incorrect format. We accept comma seprated list of users.");
return;
}
Role adminRole;
RawStore ms = getMS();
try {
adminRole = ms.getRole(ADMIN);
} catch (NoSuchObjectException e) {
LOG.error("Failed to retrieve just added admin role",e);
return;
}
while (users.hasNext()) {
String userName = users.next();
try {
ms.grantRole(adminRole, userName, PrincipalType.USER, ADMIN, PrincipalType.ROLE, true);
LOG.info("Added " + userName + " to admin role");
} catch (NoSuchObjectException e) {
LOG.error("Failed to add "+ userName + " in admin role",e);
} catch (InvalidObjectException e) {
LOG.debug(userName + " already in admin role", e);
}
}
}
private void logInfo(String m) {
LOG.info(threadLocalId.get().toString() + ": " + m);
logAuditEvent(m);
}
private String startFunction(String function, String extraLogInfo) {
incrementCounter(function);
logInfo((getIpAddress() == null ? "" : "source:" + getIpAddress() + " ") +
function + extraLogInfo);
try {
Metrics.startScope(function);
} catch (IOException e) {
LOG.debug("Exception when starting metrics scope"
+ e.getClass().getName() + " " + e.getMessage(), e);
}
return function;
}
private String startFunction(String function) {
return startFunction(function, "");
}
private String startTableFunction(String function, String db, String tbl) {
return startFunction(function, " : db=" + db + " tbl=" + tbl);
}
private String startMultiTableFunction(String function, String db, List tbls) {
String tableNames = join(tbls, ",");
return startFunction(function, " : db=" + db + " tbls=" + tableNames);
}
private String startPartitionFunction(String function, String db, String tbl,
List partVals) {
return startFunction(function, " : db=" + db + " tbl=" + tbl
+ "[" + join(partVals, ",") + "]");
}
private String startPartitionFunction(String function, String db, String tbl,
Map partName) {
return startFunction(function, " : db=" + db + " tbl=" + tbl + "partition=" + partName);
}
private void endFunction(String function, boolean successful, Exception e) {
endFunction(function, successful, e, null);
}
private void endFunction(String function, boolean successful, Exception e,
String inputTableName) {
endFunction(function, new MetaStoreEndFunctionContext(successful, e, inputTableName));
}
private void endFunction(String function, MetaStoreEndFunctionContext context) {
try {
Metrics.endScope(function);
} catch (IOException e) {
LOG.debug("Exception when closing metrics scope" + e);
}
for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
listener.onEndFunction(function, context);
}
}
@Override
public fb_status getStatus() {
return fb_status.ALIVE;
}
@Override
public void shutdown() {
logInfo("Shutting down the object store...");
RawStore ms = threadLocalMS.get();
if (ms != null) {
try {
ms.shutdown();
} finally {
threadLocalMS.remove();
}
}
logInfo("Metastore shutdown complete.");
}
@Override
public AbstractMap getCounters() {
AbstractMap counters = super.getCounters();
// Allow endFunctionListeners to add any counters they have collected
if (endFunctionListeners != null) {
for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
listener.exportCounters(counters);
}
}
return counters;
}
private void create_database_core(RawStore ms, final Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException {
if (!validateName(db.getName())) {
throw new InvalidObjectException(db.getName() + " is not a valid database name");
}
if (null == db.getLocationUri()) {
db.setLocationUri(wh.getDefaultDatabasePath(db.getName()).toString());
} else {
db.setLocationUri(wh.getDnsPath(new Path(db.getLocationUri())).toString());
}
Path dbPath = new Path(db.getLocationUri());
boolean success = false;
boolean madeDir = false;
try {
firePreEvent(new PreCreateDatabaseEvent(db, this));
if (!wh.isDir(dbPath)) {
if (!wh.mkdirs(dbPath, true)) {
throw new MetaException("Unable to create database path " + dbPath +
", failed to create database " + db.getName());
}
madeDir = true;
}
ms.openTransaction();
ms.createDatabase(db);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(dbPath, true);
}
}
for (MetaStoreEventListener listener : listeners) {
listener.onCreateDatabase(new CreateDatabaseEvent(db, success, this));
}
}
}
@Override
public void create_database(final Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException {
startFunction("create_database", ": " + db.toString());
boolean success = false;
Exception ex = null;
try {
try {
if (null != get_database_core(db.getName())) {
throw new AlreadyExistsException("Database " + db.getName() + " already exists");
}
} catch (NoSuchObjectException e) {
// expected
}
if (TEST_TIMEOUT_ENABLED) {
try {
Thread.sleep(TEST_TIMEOUT_VALUE);
} catch (InterruptedException e) {
// do nothing
}
Deadline.checkTimeout();
}
create_database_core(getMS(), db);
success = true;
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("create_database", success, ex);
}
}
@Override
public Database get_database(final String name) throws NoSuchObjectException, MetaException {
startFunction("get_database", ": " + name);
Database db = null;
Exception ex = null;
try {
db = get_database_core(name);
firePreEvent(new PreReadDatabaseEvent(db, this));
} catch (MetaException e) {
ex = e;
throw e;
} catch (NoSuchObjectException e) {
ex = e;
throw e;
} finally {
endFunction("get_database", db != null, ex);
}
return db;
}
/**
* Equivalent to get_database, but does not write to audit logs, or fire pre-event listners.
* Meant to be used for internal hive classes that don't use the thrift interface.
* @param name
* @return
* @throws NoSuchObjectException
* @throws MetaException
*/
public Database get_database_core(final String name) throws NoSuchObjectException,
MetaException {
Database db = null;
try {
db = getMS().getDatabase(name);
} catch (MetaException e) {
throw e;
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
assert (e instanceof RuntimeException);
throw (RuntimeException) e;
}
return db;
}
@Override
public void alter_database(final String dbName, final Database db)
throws NoSuchObjectException, TException, MetaException {
startFunction("alter_database" + dbName);
boolean success = false;
Exception ex = null;
try {
getMS().alterDatabase(dbName, db);
success = true;
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("alter_database", success, ex);
}
}
private void drop_database_core(RawStore ms,
final String name, final boolean deleteData, final boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException,
IOException, InvalidObjectException, InvalidInputException {
boolean success = false;
Database db = null;
List tablePaths = new ArrayList();
List partitionPaths = new ArrayList();
try {
ms.openTransaction();
db = ms.getDatabase(name);
firePreEvent(new PreDropDatabaseEvent(db, this));
List allTables = get_all_tables(db.getName());
List allFunctions = get_functions(db.getName(), "*");
if (!cascade) {
if (!allTables.isEmpty()) {
throw new InvalidOperationException(
"Database " + db.getName() + " is not empty. One or more tables exist.");
}
if (!allFunctions.isEmpty()) {
throw new InvalidOperationException(
"Database " + db.getName() + " is not empty. One or more functions exist.");
}
}
Path path = new Path(db.getLocationUri()).getParent();
if (!wh.isWritable(path)) {
throw new MetaException("Database not dropped since " +
path + " is not writable by " +
hiveConf.getUser());
}
Path databasePath = wh.getDnsPath(wh.getDatabasePath(db));
// drop any functions before dropping db
for (String funcName : allFunctions) {
drop_function(name, funcName);
}
// drop tables before dropping db
int tableBatchSize = HiveConf.getIntVar(hiveConf,
ConfVars.METASTORE_BATCH_RETRIEVE_MAX);
int startIndex = 0;
int endIndex = -1;
// retrieve the tables from the metastore in batches to alleviate memory constraints
while (endIndex < allTables.size() - 1) {
startIndex = endIndex + 1;
endIndex = endIndex + tableBatchSize;
if (endIndex >= allTables.size()) {
endIndex = allTables.size() - 1;
}
List
tables = null;
try {
tables = ms.getTableObjectsByName(name, allTables.subList(startIndex, endIndex));
} catch (UnknownDBException e) {
throw new MetaException(e.getMessage());
}
if (tables != null && !tables.isEmpty()) {
for (Table table : tables) {
// If the table is not external and it might not be in a subdirectory of the database
// add it's locations to the list of paths to delete
Path tablePath = null;
if (table.getSd().getLocation() != null && !isExternal(table)) {
tablePath = wh.getDnsPath(new Path(table.getSd().getLocation()));
if (!wh.isWritable(tablePath.getParent())) {
throw new MetaException("Database metadata not deleted since table: " +
table.getTableName() + " has a parent location " + tablePath.getParent() +
" which is not writable by " + hiveConf.getUser());
}
if (!isSubdirectory(databasePath, tablePath)) {
tablePaths.add(tablePath);
}
}
// For each partition in each table, drop the partitions and get a list of
// partitions' locations which might need to be deleted
partitionPaths = dropPartitionsAndGetLocations(ms, name, table.getTableName(),
tablePath, table.getPartitionKeys(), deleteData && !isExternal(table));
// Drop the table but not its data
drop_table(name, table.getTableName(), false);
}
}
}
if (ms.dropDatabase(name)) {
success = ms.commitTransaction();
}
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData) {
// Delete the data in the partitions which have other locations
deletePartitionData(partitionPaths);
// Delete the data in the tables which have other locations
for (Path tablePath : tablePaths) {
deleteTableData(tablePath);
}
// Delete the data in the database
try {
wh.deleteDir(new Path(db.getLocationUri()), true);
} catch (Exception e) {
LOG.error("Failed to delete database directory: " + db.getLocationUri() +
" " + e.getMessage());
}
// it is not a terrible thing even if the data is not deleted
}
for (MetaStoreEventListener listener : listeners) {
listener.onDropDatabase(new DropDatabaseEvent(db, success, this));
}
}
}
/**
* Returns a BEST GUESS as to whether or not other is a subdirectory of parent. It does not
* take into account any intricacies of the underlying file system, which is assumed to be
* HDFS. This should not return any false positives, but may return false negatives.
*
* @param parent
* @param other
* @return
*/
private boolean isSubdirectory(Path parent, Path other) {
return other.toString().startsWith(parent.toString().endsWith(Path.SEPARATOR) ?
parent.toString() : parent.toString() + Path.SEPARATOR);
}
@Override
public void drop_database(final String dbName, final boolean deleteData, final boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException {
startFunction("drop_database", ": " + dbName);
if (DEFAULT_DATABASE_NAME.equalsIgnoreCase(dbName)) {
endFunction("drop_database", false, null);
throw new MetaException("Can not drop default database");
}
boolean success = false;
Exception ex = null;
try {
drop_database_core(getMS(), dbName, deleteData, cascade);
success = true;
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("drop_database", success, ex);
}
}
@Override
public List get_databases(final String pattern) throws MetaException {
startFunction("get_databases", ": " + pattern);
List ret = null;
Exception ex = null;
try {
ret = getMS().getDatabases(pattern);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_databases", ret != null, ex);
}
return ret;
}
@Override
public List get_all_databases() throws MetaException {
startFunction("get_all_databases");
List ret = null;
Exception ex = null;
try {
ret = getMS().getAllDatabases();
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_all_databases", ret != null, ex);
}
return ret;
}
private void create_type_core(final RawStore ms, final Type type)
throws AlreadyExistsException, MetaException, InvalidObjectException {
if (!MetaStoreUtils.validateName(type.getName())) {
throw new InvalidObjectException("Invalid type name");
}
boolean success = false;
try {
ms.openTransaction();
if (is_type_exists(ms, type.getName())) {
throw new AlreadyExistsException("Type " + type.getName() + " already exists");
}
ms.createType(type);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public boolean create_type(final Type type) throws AlreadyExistsException,
MetaException, InvalidObjectException {
startFunction("create_type", ": " + type.toString());
boolean success = false;
Exception ex = null;
try {
create_type_core(getMS(), type);
success = true;
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("create_type", success, ex);
}
return success;
}
@Override
public Type get_type(final String name) throws MetaException, NoSuchObjectException {
startFunction("get_type", ": " + name);
Type ret = null;
Exception ex = null;
try {
ret = getMS().getType(name);
if (null == ret) {
throw new NoSuchObjectException("Type \"" + name + "\" not found.");
}
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_type", ret != null, ex);
}
return ret;
}
private boolean is_type_exists(RawStore ms, String typeName)
throws MetaException {
return (ms.getType(typeName) != null);
}
private void drop_type_core(final RawStore ms, String typeName)
throws NoSuchObjectException, MetaException {
boolean success = false;
try {
ms.openTransaction();
// drop any partitions
if (!is_type_exists(ms, typeName)) {
throw new NoSuchObjectException(typeName + " doesn't exist");
}
if (!ms.dropType(typeName)) {
throw new MetaException("Unable to drop type " + typeName);
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public boolean drop_type(final String name) throws MetaException, NoSuchObjectException {
startFunction("drop_type", ": " + name);
boolean success = false;
Exception ex = null;
try {
// TODO:pc validate that there are no types that refer to this
success = getMS().dropType(name);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("drop_type", success, ex);
}
return success;
}
@Override
public Map get_type_all(String name) throws MetaException {
// TODO Auto-generated method stub
startFunction("get_type_all", ": " + name);
endFunction("get_type_all", false, null);
throw new MetaException("Not yet implemented");
}
private void create_table_core(final RawStore ms, final Table tbl,
final EnvironmentContext envContext)
throws AlreadyExistsException, MetaException,
InvalidObjectException, NoSuchObjectException {
if (!MetaStoreUtils.validateName(tbl.getTableName())) {
throw new InvalidObjectException(tbl.getTableName()
+ " is not a valid object name");
}
String validate = MetaStoreUtils.validateTblColumns(tbl.getSd().getCols());
if (validate != null) {
throw new InvalidObjectException("Invalid column " + validate);
}
if (tbl.getPartitionKeys() != null) {
validate = MetaStoreUtils.validateTblColumns(tbl.getPartitionKeys());
if (validate != null) {
throw new InvalidObjectException("Invalid partition column " + validate);
}
}
SkewedInfo skew = tbl.getSd().getSkewedInfo();
if (skew != null) {
validate = MetaStoreUtils.validateSkewedColNames(skew.getSkewedColNames());
if (validate != null) {
throw new InvalidObjectException("Invalid skew column " + validate);
}
validate = MetaStoreUtils.validateSkewedColNamesSubsetCol(
skew.getSkewedColNames(), tbl.getSd().getCols());
if (validate != null) {
throw new InvalidObjectException("Invalid skew column " + validate);
}
}
Path tblPath = null;
boolean success = false, madeDir = false;
try {
firePreEvent(new PreCreateTableEvent(tbl, this));
ms.openTransaction();
Database db = ms.getDatabase(tbl.getDbName());
if (db == null) {
throw new NoSuchObjectException("The database " + tbl.getDbName() + " does not exist");
}
// get_table checks whether database exists, it should be moved here
if (is_table_exists(ms, tbl.getDbName(), tbl.getTableName())) {
throw new AlreadyExistsException("Table " + tbl.getTableName()
+ " already exists");
}
if (!TableType.VIRTUAL_VIEW.toString().equals(tbl.getTableType())) {
if (tbl.getSd().getLocation() == null
|| tbl.getSd().getLocation().isEmpty()) {
tblPath = wh.getTablePath(
ms.getDatabase(tbl.getDbName()), tbl.getTableName());
} else {
if (!isExternal(tbl) && !MetaStoreUtils.isNonNativeTable(tbl)) {
LOG.warn("Location: " + tbl.getSd().getLocation()
+ " specified for non-external table:" + tbl.getTableName());
}
tblPath = wh.getDnsPath(new Path(tbl.getSd().getLocation()));
}
tbl.getSd().setLocation(tblPath.toString());
}
if (tblPath != null) {
if (!wh.isDir(tblPath)) {
if (!wh.mkdirs(tblPath, true)) {
throw new MetaException(tblPath
+ " is not a directory or unable to create one");
}
madeDir = true;
}
}
if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
!MetaStoreUtils.isView(tbl)) {
if (tbl.getPartitionKeysSize() == 0) { // Unpartitioned table
MetaStoreUtils.updateUnpartitionedTableStatsFast(db, tbl, wh, madeDir);
} else { // Partitioned table with no partitions.
MetaStoreUtils.updateUnpartitionedTableStatsFast(db, tbl, wh, true);
}
}
// set create time
long time = System.currentTimeMillis() / 1000;
tbl.setCreateTime((int) time);
if (tbl.getParameters() == null ||
tbl.getParameters().get(hive_metastoreConstants.DDL_TIME) == null) {
tbl.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
}
ms.createTable(tbl);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(tblPath, true);
}
}
for (MetaStoreEventListener listener : listeners) {
CreateTableEvent createTableEvent =
new CreateTableEvent(tbl, success, this);
createTableEvent.setEnvironmentContext(envContext);
listener.onCreateTable(createTableEvent);
}
}
}
@Override
public void create_table(final Table tbl) throws AlreadyExistsException,
MetaException, InvalidObjectException {
create_table_with_environment_context(tbl, null);
}
@Override
public void create_table_with_environment_context(final Table tbl,
final EnvironmentContext envContext)
throws AlreadyExistsException, MetaException, InvalidObjectException {
startFunction("create_table", ": " + tbl.toString());
boolean success = false;
Exception ex = null;
try {
create_table_core(getMS(), tbl, envContext);
success = true;
} catch (NoSuchObjectException e) {
ex = e;
throw new InvalidObjectException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("create_table", success, ex, tbl.getTableName());
}
}
private boolean is_table_exists(RawStore ms, String dbname, String name)
throws MetaException {
return (ms.getTable(dbname, name) != null);
}
private boolean drop_table_core(final RawStore ms, final String dbname, final String name,
final boolean deleteData, final EnvironmentContext envContext,
final String indexName) throws NoSuchObjectException,
MetaException, IOException, InvalidObjectException, InvalidInputException {
boolean success = false;
boolean isExternal = false;
Path tblPath = null;
List partPaths = null;
Table tbl = null;
boolean ifPurge = false;
try {
ms.openTransaction();
// drop any partitions
tbl = get_table_core(dbname, name);
if (tbl == null) {
throw new NoSuchObjectException(name + " doesn't exist");
}
if (tbl.getSd() == null) {
throw new MetaException("Table metadata is corrupted");
}
ifPurge = isMustPurge(envContext, tbl);
firePreEvent(new PreDropTableEvent(tbl, deleteData, this));
boolean isIndexTable = isIndexTable(tbl);
if (indexName == null && isIndexTable) {
throw new RuntimeException(
"The table " + name + " is an index table. Please do drop index instead.");
}
if (!isIndexTable) {
try {
List indexes = ms.getIndexes(dbname, name, Short.MAX_VALUE);
while (indexes != null && indexes.size() > 0) {
for (Index idx : indexes) {
this.drop_index_by_name(dbname, name, idx.getIndexName(), true);
}
indexes = ms.getIndexes(dbname, name, Short.MAX_VALUE);
}
} catch (TException e) {
throw new MetaException(e.getMessage());
}
}
isExternal = isExternal(tbl);
if (tbl.getSd().getLocation() != null) {
tblPath = new Path(tbl.getSd().getLocation());
if (!wh.isWritable(tblPath.getParent())) {
String target = indexName == null ? "Table" : "Index table";
throw new MetaException(target + " metadata not deleted since " +
tblPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
// tblPath will be null when tbl is a view. We skip the following if block in that case.
checkTrashPurgeCombination(tblPath, dbname + "." + name, ifPurge);
// Drop the partitions and get a list of locations which need to be deleted
partPaths = dropPartitionsAndGetLocations(ms, dbname, name, tblPath,
tbl.getPartitionKeys(), deleteData && !isExternal);
if (!ms.dropTable(dbname, name)) {
String tableName = dbname + "." + name;
throw new MetaException(indexName == null ? "Unable to drop table " + tableName:
"Unable to drop index table " + tableName + " for index " + indexName);
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && !isExternal) {
// Data needs deletion. Check if trash may be skipped.
// Delete the data in the partitions which have other locations
deletePartitionData(partPaths, ifPurge);
// Delete the data in the table
deleteTableData(tblPath, ifPurge);
// ok even if the data is not deleted
}
for (MetaStoreEventListener listener : listeners) {
DropTableEvent dropTableEvent = new DropTableEvent(tbl, success, deleteData, this);
dropTableEvent.setEnvironmentContext(envContext);
listener.onDropTable(dropTableEvent);
}
}
return success;
}
/**
* Will throw MetaException if combination of trash policy/purge can't be satisfied
* @param pathToData path to data which may potentially be moved to trash
* @param objectName db.table, or db.table.part
* @param ifPurge if PURGE options is specified
*/
private void checkTrashPurgeCombination(Path pathToData, String objectName, boolean ifPurge)
throws MetaException {
if (!(pathToData != null && !ifPurge)) {//pathToData may be NULL for a view
return;
}
boolean trashEnabled = false;
try {
trashEnabled = 0 < hiveConf.getFloat("fs.trash.interval", -1);
} catch(NumberFormatException ex) {
// nothing to do
}
if (trashEnabled) {
try {
HadoopShims.HdfsEncryptionShim shim =
ShimLoader.getHadoopShims().createHdfsEncryptionShim(FileSystem.get(hiveConf), hiveConf);
if (shim.isPathEncrypted(pathToData)) {
throw new MetaException("Unable to drop " + objectName + " because it is in an encryption zone" +
" and trash is enabled. Use PURGE option to skip trash.");
}
} catch (IOException ex) {
MetaException e = new MetaException(ex.getMessage());
e.initCause(ex);
throw e;
}
}
}
/**
* Deletes the data in a table's location, if it fails logs an error
*
* @param tablePath
*/
private void deleteTableData(Path tablePath) {
deleteTableData(tablePath, false);
}
/**
* Deletes the data in a table's location, if it fails logs an error
*
* @param tablePath
* @param ifPurge completely purge the table (skipping trash) while removing
* data from warehouse
*/
private void deleteTableData(Path tablePath, boolean ifPurge) {
if (tablePath != null) {
try {
wh.deleteDir(tablePath, true, ifPurge);
} catch (Exception e) {
LOG.error("Failed to delete table directory: " + tablePath +
" " + e.getMessage());
}
}
}
/**
* Give a list of partitions' locations, tries to delete each one
* and for each that fails logs an error.
*
* @param partPaths
*/
private void deletePartitionData(List partPaths) {
deletePartitionData(partPaths, false);
}
/**
* Give a list of partitions' locations, tries to delete each one
* and for each that fails logs an error.
*
* @param partPaths
* @param ifPurge completely purge the partition (skipping trash) while
* removing data from warehouse
*/
private void deletePartitionData(List partPaths, boolean ifPurge) {
if (partPaths != null && !partPaths.isEmpty()) {
for (Path partPath : partPaths) {
try {
wh.deleteDir(partPath, true, ifPurge);
} catch (Exception e) {
LOG.error("Failed to delete partition directory: " + partPath +
" " + e.getMessage());
}
}
}
}
/**
* Retrieves the partitions specified by partitionKeys. If checkLocation, for locations of
* partitions which may not be subdirectories of tablePath checks to make the locations are
* writable.
*
* Drops the metadata for each partition.
*
* Provides a list of locations of partitions which may not be subdirectories of tablePath.
*
* @param ms
* @param dbName
* @param tableName
* @param tablePath
* @param partitionKeys
* @param checkLocation
* @return
* @throws MetaException
* @throws IOException
* @throws InvalidInputException
* @throws InvalidObjectException
* @throws NoSuchObjectException
*/
private List dropPartitionsAndGetLocations(RawStore ms, String dbName,
String tableName, Path tablePath, List partitionKeys, boolean checkLocation)
throws MetaException, IOException, NoSuchObjectException, InvalidObjectException,
InvalidInputException {
int partitionBatchSize = HiveConf.getIntVar(hiveConf,
ConfVars.METASTORE_BATCH_RETRIEVE_MAX);
Path tableDnsPath = null;
if (tablePath != null) {
tableDnsPath = wh.getDnsPath(tablePath);
}
List partPaths = new ArrayList();
Table tbl = ms.getTable(dbName, tableName);
// call dropPartition on each of the table's partitions to follow the
// procedure for cleanly dropping partitions.
while (true) {
List partsToDelete = ms.getPartitions(dbName, tableName, partitionBatchSize);
if (partsToDelete == null || partsToDelete.isEmpty()) {
break;
}
List partNames = new ArrayList();
for (Partition part : partsToDelete) {
if (checkLocation && part.getSd() != null &&
part.getSd().getLocation() != null) {
Path partPath = wh.getDnsPath(new Path(part.getSd().getLocation()));
if (tableDnsPath == null ||
(partPath != null && !isSubdirectory(tableDnsPath, partPath))) {
if (!wh.isWritable(partPath.getParent())) {
throw new MetaException("Table metadata not deleted since the partition " +
Warehouse.makePartName(partitionKeys, part.getValues()) +
" has parent location " + partPath.getParent() + " which is not writable " +
"by " + hiveConf.getUser());
}
partPaths.add(partPath);
}
}
partNames.add(Warehouse.makePartName(tbl.getPartitionKeys(), part.getValues()));
}
ms.dropPartitions(dbName, tableName, partNames);
}
return partPaths;
}
@Override
public void drop_table(final String dbname, final String name, final boolean deleteData)
throws NoSuchObjectException, MetaException {
drop_table_with_environment_context(dbname, name, deleteData, null);
}
@Override
public void drop_table_with_environment_context(final String dbname, final String name,
final boolean deleteData, final EnvironmentContext envContext)
throws NoSuchObjectException, MetaException {
startTableFunction("drop_table", dbname, name);
boolean success = false;
Exception ex = null;
try {
success = drop_table_core(getMS(), dbname, name, deleteData, envContext, null);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("drop_table", success, ex, name);
}
}
/**
* Is this an external table?
*
* @param table
* Check if this table is external.
* @return True if the table is external, otherwise false.
*/
private boolean isExternal(Table table) {
return MetaStoreUtils.isExternalTable(table);
}
private boolean isIndexTable(Table table) {
return MetaStoreUtils.isIndexTable(table);
}
@Override
public Table get_table(final String dbname, final String name) throws MetaException,
NoSuchObjectException {
Table t = null;
startTableFunction("get_table", dbname, name);
Exception ex = null;
try {
t = get_table_core(dbname, name);
firePreEvent(new PreReadTableEvent(t, this));
} catch (MetaException e) {
ex = e;
throw e;
} catch (NoSuchObjectException e) {
ex = e;
throw e;
} finally {
endFunction("get_table", t != null, ex, name);
}
return t;
}
/**
* Equivalent of get_table, but does not log audits and fire pre-event listener.
* Meant to be used for calls made by other hive classes, that are not using the
* thrift interface.
* @param dbname
* @param name
* @return Table object
* @throws MetaException
* @throws NoSuchObjectException
*/
public Table get_table_core(final String dbname, final String name) throws MetaException,
NoSuchObjectException {
Table t;
try {
t = getMS().getTable(dbname, name);
if (t == null) {
throw new NoSuchObjectException(dbname + "." + name
+ " table not found");
}
} catch (Exception e) {
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
}
return t;
}
/**
* Gets multiple tables from the hive metastore.
*
* @param dbname
* The name of the database in which the tables reside
* @param names
* The names of the tables to get.
*
* @return A list of tables whose names are in the the list "names" and
* are retrievable from the database specified by "dbnames."
* There is no guarantee of the order of the returned tables.
* If there are duplicate names, only one instance of the table will be returned.
* @throws MetaException
* @throws InvalidOperationException
* @throws UnknownDBException
*/
@Override
public List
get_table_objects_by_name(final String dbname, final List names)
throws MetaException, InvalidOperationException, UnknownDBException {
List
tables = null;
startMultiTableFunction("get_multi_table", dbname, names);
Exception ex = null;
try {
if (dbname == null || dbname.isEmpty()) {
throw new UnknownDBException("DB name is null or empty");
}
if (names == null)
{
throw new InvalidOperationException(dbname + " cannot find null tables");
}
tables = getMS().getTableObjectsByName(dbname, names);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_multi_table", tables != null, ex, join(names, ","));
}
return tables;
}
@Override
public List get_table_names_by_filter(
final String dbName, final String filter, final short maxTables)
throws MetaException, InvalidOperationException, UnknownDBException {
List tables = null;
startFunction("get_table_names_by_filter", ": db = " + dbName + ", filter = " + filter);
Exception ex = null;
try {
if (dbName == null || dbName.isEmpty()) {
throw new UnknownDBException("DB name is null or empty");
}
if (filter == null) {
throw new InvalidOperationException(filter + " cannot apply null filter");
}
tables = getMS().listTableNamesByFilter(dbName, filter, maxTables);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_table_names_by_filter", tables != null, ex, join(tables, ","));
}
return tables;
}
private Partition append_partition_common(RawStore ms, String dbName, String tableName,
List part_vals, EnvironmentContext envContext) throws InvalidObjectException,
AlreadyExistsException, MetaException {
Partition part = new Partition();
boolean success = false, madeDir = false;
Path partLocation = null;
Table tbl = null;
try {
ms.openTransaction();
part.setDbName(dbName);
part.setTableName(tableName);
part.setValues(part_vals);
MetaStoreUtils.validatePartitionNameCharacters(part_vals, partitionValidationPattern);
tbl = ms.getTable(part.getDbName(), part.getTableName());
if (tbl == null) {
throw new InvalidObjectException(
"Unable to add partition because table or database do not exist");
}
if (tbl.getSd().getLocation() == null) {
throw new MetaException(
"Cannot append a partition to a view");
}
firePreEvent(new PreAddPartitionEvent(tbl, part, this));
part.setSd(tbl.getSd());
partLocation = new Path(tbl.getSd().getLocation(), Warehouse
.makePartName(tbl.getPartitionKeys(), part_vals));
part.getSd().setLocation(partLocation.toString());
Partition old_part = null;
try {
old_part = ms.getPartition(part.getDbName(), part
.getTableName(), part.getValues());
} catch (NoSuchObjectException e) {
// this means there is no existing partition
old_part = null;
}
if (old_part != null) {
throw new AlreadyExistsException("Partition already exists:" + part);
}
if (!wh.isDir(partLocation)) {
if (!wh.mkdirs(partLocation, true)) {
throw new MetaException(partLocation
+ " is not a directory or unable to create one");
}
madeDir = true;
}
// set create time
long time = System.currentTimeMillis() / 1000;
part.setCreateTime((int) time);
part.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
!MetaStoreUtils.isView(tbl)) {
MetaStoreUtils.updatePartitionStatsFast(part, wh, madeDir);
}
success = ms.addPartition(part);
if (success) {
success = ms.commitTransaction();
}
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(partLocation, true);
}
}
for (MetaStoreEventListener listener : listeners) {
AddPartitionEvent addPartitionEvent =
new AddPartitionEvent(tbl, part, success, this);
addPartitionEvent.setEnvironmentContext(envContext);
listener.onAddPartition(addPartitionEvent);
}
}
return part;
}
private void firePreEvent(PreEventContext event) throws MetaException {
for (MetaStorePreEventListener listener : preListeners) {
try {
listener.onEvent(event);
} catch (NoSuchObjectException e) {
throw new MetaException(e.getMessage());
} catch (InvalidOperationException e) {
throw new MetaException(e.getMessage());
}
}
}
@Override
public Partition append_partition(final String dbName, final String tableName,
final List part_vals) throws InvalidObjectException,
AlreadyExistsException, MetaException {
return append_partition_with_environment_context(dbName, tableName, part_vals, null);
}
@Override
public Partition append_partition_with_environment_context(final String dbName,
final String tableName, final List part_vals, final EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException, MetaException {
startPartitionFunction("append_partition", dbName, tableName, part_vals);
if (LOG.isDebugEnabled()) {
for (String part : part_vals) {
LOG.debug(part);
}
}
Partition ret = null;
Exception ex = null;
try {
ret = append_partition_common(getMS(), dbName, tableName, part_vals, envContext);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("append_partition", ret != null, ex, tableName);
}
return ret;
}
private static class PartValEqWrapper {
Partition partition;
public PartValEqWrapper(Partition partition) {
this.partition = partition;
}
@Override
public int hashCode() {
return partition.isSetValues() ? partition.getValues().hashCode() : 0;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || !(obj instanceof PartValEqWrapper)) return false;
Partition p1 = this.partition, p2 = ((PartValEqWrapper)obj).partition;
if (!p1.isSetValues() || !p2.isSetValues()) return p1.isSetValues() == p2.isSetValues();
if (p1.getValues().size() != p2.getValues().size()) return false;
for (int i = 0; i < p1.getValues().size(); ++i) {
String v1 = p1.getValues().get(i), v2 = p2.getValues().get(i);
if ((v1 == null && v2 != null) || !v1.equals(v2)) return false;
}
return true;
}
}
private static class PartValEqWrapperLite {
List values;
String location;
public PartValEqWrapperLite(Partition partition) {
this.values = partition.isSetValues()? partition.getValues() : null;
this.location = partition.getSd().getLocation();
}
@Override
public int hashCode() {
return values == null ? 0 : values.hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || !(obj instanceof PartValEqWrapperLite)) {
return false;
}
List lhsValues = this.values;
List rhsValues = ((PartValEqWrapperLite)obj).values;
if (lhsValues == null || rhsValues == null)
return lhsValues == rhsValues;
if (lhsValues.size() != rhsValues.size())
return false;
for (int i=0; i add_partitions_core(
RawStore ms, String dbName, String tblName, List parts, boolean ifNotExists)
throws MetaException, InvalidObjectException, AlreadyExistsException, TException {
logInfo("add_partitions");
boolean success = false;
// Ensures that the list doesn't have dups, and keeps track of directories we have created.
Map addedPartitions = new HashMap();
List result = new ArrayList();
List existingParts = null;
Table tbl = null;
try {
ms.openTransaction();
tbl = ms.getTable(dbName, tblName);
if (tbl == null) {
throw new InvalidObjectException("Unable to add partitions because "
+ "database or table " + dbName + "." + tblName + " does not exist");
}
if (!parts.isEmpty()) {
firePreEvent(new PreAddPartitionEvent(tbl, parts, this));
}
for (Partition part : parts) {
if (!part.getTableName().equals(tblName) || !part.getDbName().equals(dbName)) {
throw new MetaException("Partition does not belong to target table "
+ dbName + "." + tblName + ": " + part);
}
boolean shouldAdd = startAddPartition(ms, part, ifNotExists);
if (!shouldAdd) {
if (existingParts == null) {
existingParts = new ArrayList();
}
existingParts.add(part);
LOG.info("Not adding partition " + part + " as it already exists");
continue;
}
boolean madeDir = createLocationForAddedPartition(tbl, part);
if (addedPartitions.put(new PartValEqWrapper(part), madeDir) != null) {
// Technically, for ifNotExists case, we could insert one and discard the other
// because the first one now "exists", but it seems better to report the problem
// upstream as such a command doesn't make sense.
throw new MetaException("Duplicate partitions in the list: " + part);
}
initializeAddedPartition(tbl, part, madeDir);
result.add(part);
}
if (!result.isEmpty()) {
success = ms.addPartitions(dbName, tblName, result);
} else {
success = true;
}
success = success && ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
for (Entry e : addedPartitions.entrySet()) {
if (e.getValue()) {
wh.deleteDir(new Path(e.getKey().partition.getSd().getLocation()), true);
// we just created this directory - it's not a case of pre-creation, so we nuke
}
}
fireMetaStoreAddPartitionEvent(tbl, parts, null, false);
} else {
fireMetaStoreAddPartitionEvent(tbl, result, null, true);
if (existingParts != null) {
// The request has succeeded but we failed to add these partitions.
fireMetaStoreAddPartitionEvent(tbl, existingParts, null, false);
}
}
}
return result;
}
@Override
public AddPartitionsResult add_partitions_req(AddPartitionsRequest request)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
AddPartitionsResult result = new AddPartitionsResult();
if (request.getParts().isEmpty()) {
return result;
}
try {
List parts = add_partitions_core(getMS(), request.getDbName(),
request.getTblName(), request.getParts(), request.isIfNotExists());
if (request.isNeedResult()) {
result.setPartitions(parts);
}
} catch (TException te) {
throw te;
} catch (Exception e) {
throw newMetaException(e);
}
return result;
}
@Override
public int add_partitions(final List parts) throws MetaException,
InvalidObjectException, AlreadyExistsException {
startFunction("add_partition");
if (parts.size() == 0) {
return 0;
}
Integer ret = null;
Exception ex = null;
try {
// Old API assumed all partitions belong to the same table; keep the same assumption
ret = add_partitions_core(getMS(), parts.get(0).getDbName(),
parts.get(0).getTableName(), parts, false).size();
assert ret == parts.size();
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
String tableName = parts.get(0).getTableName();
endFunction("add_partition", ret != null, ex, tableName);
}
return ret;
}
@Override
public int add_partitions_pspec(final List partSpecs)
throws TException {
logInfo("add_partitions_pspec");
if (partSpecs.isEmpty()) {
return 0;
}
String dbName = partSpecs.get(0).getDbName();
String tableName = partSpecs.get(0).getTableName();
return add_partitions_pspec_core(getMS(), dbName, tableName, partSpecs, false);
}
private int add_partitions_pspec_core(
RawStore ms, String dbName, String tblName, List partSpecs, boolean ifNotExists)
throws TException {
boolean success = false;
// Ensures that the list doesn't have dups, and keeps track of directories we have created.
Map addedPartitions = new HashMap();
PartitionSpecProxy partitionSpecProxy = PartitionSpecProxy.Factory.get(partSpecs);
PartitionSpecProxy.PartitionIterator partitionIterator = partitionSpecProxy.getPartitionIterator();
Table tbl = null;
try {
ms.openTransaction();
tbl = ms.getTable(dbName, tblName);
if (tbl == null) {
throw new InvalidObjectException("Unable to add partitions because "
+ "database or table " + dbName + "." + tblName + " does not exist");
}
firePreEvent(new PreAddPartitionEvent(tbl, partitionSpecProxy, this));
int nPartitions = 0;
while(partitionIterator.hasNext()) {
Partition part = partitionIterator.getCurrent();
if (!part.getTableName().equals(tblName) || !part.getDbName().equals(dbName)) {
throw new MetaException("Partition does not belong to target table "
+ dbName + "." + tblName + ": " + part);
}
boolean shouldAdd = startAddPartition(ms, part, ifNotExists);
if (!shouldAdd) {
LOG.info("Not adding partition " + part + " as it already exists");
continue;
}
boolean madeDir = createLocationForAddedPartition(tbl, part);
if (addedPartitions.put(new PartValEqWrapperLite(part), madeDir) != null) {
// Technically, for ifNotExists case, we could insert one and discard the other
// because the first one now "exists", but it seems better to report the problem
// upstream as such a command doesn't make sense.
throw new MetaException("Duplicate partitions in the list: " + part);
}
initializeAddedPartition(tbl, partitionIterator, madeDir);
++nPartitions;
partitionIterator.next();
}
success = ms.addPartitions(dbName, tblName, partitionSpecProxy, ifNotExists)
&& ms.commitTransaction();
return nPartitions;
} finally {
if (!success) {
ms.rollbackTransaction();
for (Entry e : addedPartitions.entrySet()) {
if (e.getValue()) {
wh.deleteDir(new Path(e.getKey().location), true);
// we just created this directory - it's not a case of pre-creation, so we nuke
}
}
}
fireMetaStoreAddPartitionEvent(tbl, partitionSpecProxy, null, true);
}
}
private boolean startAddPartition(
RawStore ms, Partition part, boolean ifNotExists) throws MetaException, TException {
MetaStoreUtils.validatePartitionNameCharacters(part.getValues(),
partitionValidationPattern);
boolean doesExist = ms.doesPartitionExist(
part.getDbName(), part.getTableName(), part.getValues());
if (doesExist && !ifNotExists) {
throw new AlreadyExistsException("Partition already exists: " + part);
}
return !doesExist;
}
/**
* Handles the location for a partition being created.
* @param tbl Table.
* @param part Partition.
* @return Whether the partition SD location is set to a newly created directory.
*/
private boolean createLocationForAddedPartition(
final Table tbl, final Partition part) throws MetaException {
Path partLocation = null;
String partLocationStr = null;
if (part.getSd() != null) {
partLocationStr = part.getSd().getLocation();
}
if (partLocationStr == null || partLocationStr.isEmpty()) {
// set default location if not specified and this is
// a physical table partition (not a view)
if (tbl.getSd().getLocation() != null) {
partLocation = new Path(tbl.getSd().getLocation(), Warehouse
.makePartName(tbl.getPartitionKeys(), part.getValues()));
}
} else {
if (tbl.getSd().getLocation() == null) {
throw new MetaException("Cannot specify location for a view partition");
}
partLocation = wh.getDnsPath(new Path(partLocationStr));
}
boolean result = false;
if (partLocation != null) {
part.getSd().setLocation(partLocation.toString());
// Check to see if the directory already exists before calling
// mkdirs() because if the file system is read-only, mkdirs will
// throw an exception even if the directory already exists.
if (!wh.isDir(partLocation)) {
if (!wh.mkdirs(partLocation, true)) {
throw new MetaException(partLocation
+ " is not a directory or unable to create one");
}
result = true;
}
}
return result;
}
private void initializeAddedPartition(
final Table tbl, final Partition part, boolean madeDir) throws MetaException {
initializeAddedPartition(tbl, new PartitionSpecProxy.SimplePartitionWrapperIterator(part), madeDir);
}
private void initializeAddedPartition(
final Table tbl, final PartitionSpecProxy.PartitionIterator part, boolean madeDir) throws MetaException {
if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
!MetaStoreUtils.isView(tbl)) {
MetaStoreUtils.updatePartitionStatsFast(part, wh, madeDir, false);
}
// set create time
long time = System.currentTimeMillis() / 1000;
part.setCreateTime((int) time);
if (part.getParameters() == null ||
part.getParameters().get(hive_metastoreConstants.DDL_TIME) == null) {
part.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
}
// Inherit table properties into partition properties.
Map tblParams = tbl.getParameters();
String inheritProps = hiveConf.getVar(ConfVars.METASTORE_PART_INHERIT_TBL_PROPS).trim();
// Default value is empty string in which case no properties will be inherited.
// * implies all properties needs to be inherited
Set inheritKeys = new HashSet(Arrays.asList(inheritProps.split(",")));
if (inheritKeys.contains("*")) {
inheritKeys = tblParams.keySet();
}
for (String key : inheritKeys) {
String paramVal = tblParams.get(key);
if (null != paramVal) { // add the property only if it exists in table properties
part.putToParameters(key, paramVal);
}
}
}
private Partition add_partition_core(final RawStore ms,
final Partition part, final EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
boolean success = false;
Table tbl = null;
try {
ms.openTransaction();
tbl = ms.getTable(part.getDbName(), part.getTableName());
if (tbl == null) {
throw new InvalidObjectException(
"Unable to add partition because table or database do not exist");
}
firePreEvent(new PreAddPartitionEvent(tbl, part, this));
boolean shouldAdd = startAddPartition(ms, part, false);
assert shouldAdd; // start would throw if it already existed here
boolean madeDir = createLocationForAddedPartition(tbl, part);
try {
initializeAddedPartition(tbl, part, madeDir);
success = ms.addPartition(part);
} finally {
if (!success && madeDir) {
wh.deleteDir(new Path(part.getSd().getLocation()), true);
}
}
// we proceed only if we'd actually succeeded anyway, otherwise,
// we'd have thrown an exception
success = success && ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
fireMetaStoreAddPartitionEvent(tbl, Arrays.asList(part), envContext, success);
}
return part;
}
private void fireMetaStoreAddPartitionEvent(final Table tbl,
final List parts, final EnvironmentContext envContext, boolean success)
throws MetaException {
if (tbl != null && parts != null && !parts.isEmpty()) {
AddPartitionEvent addPartitionEvent =
new AddPartitionEvent(tbl, parts, success, this);
addPartitionEvent.setEnvironmentContext(envContext);
for (MetaStoreEventListener listener : listeners) {
listener.onAddPartition(addPartitionEvent);
}
}
}
private void fireMetaStoreAddPartitionEvent(final Table tbl,
final PartitionSpecProxy partitionSpec, final EnvironmentContext envContext, boolean success)
throws MetaException {
if (tbl != null && partitionSpec != null) {
AddPartitionEvent addPartitionEvent =
new AddPartitionEvent(tbl, partitionSpec, success, this);
addPartitionEvent.setEnvironmentContext(envContext);
for (MetaStoreEventListener listener : listeners) {
listener.onAddPartition(addPartitionEvent);
}
}
}
@Override
public Partition add_partition(final Partition part)
throws InvalidObjectException, AlreadyExistsException, MetaException {
return add_partition_with_environment_context(part, null);
}
@Override
public Partition add_partition_with_environment_context(
final Partition part, EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException,
MetaException {
startTableFunction("add_partition",
part.getDbName(), part.getTableName());
Partition ret = null;
Exception ex = null;
try {
ret = add_partition_core(getMS(), part, envContext);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("add_partition", ret != null, ex, part != null ? part.getTableName(): null);
}
return ret;
}
@Override
public Partition exchange_partition(Map partitionSpecs,
String sourceDbName, String sourceTableName, String destDbName,
String destTableName) throws MetaException, NoSuchObjectException,
InvalidObjectException, InvalidInputException, TException {
boolean success = false;
boolean pathCreated = false;
RawStore ms = getMS();
ms.openTransaction();
Table destinationTable = ms.getTable(destDbName, destTableName);
Table sourceTable = ms.getTable(sourceDbName, sourceTableName);
List partVals = MetaStoreUtils.getPvals(sourceTable.getPartitionKeys(),
partitionSpecs);
List partValsPresent = new ArrayList ();
List partitionKeysPresent = new ArrayList ();
int i = 0;
for (FieldSchema fs: sourceTable.getPartitionKeys()) {
String partVal = partVals.get(i);
if (partVal != null && !partVal.equals("")) {
partValsPresent.add(partVal);
partitionKeysPresent.add(fs);
}
i++;
}
List partitionsToExchange = get_partitions_ps(sourceDbName, sourceTableName,
partVals, (short)-1);
boolean sameColumns = MetaStoreUtils.compareFieldColumns(
sourceTable.getSd().getCols(), destinationTable.getSd().getCols());
boolean samePartitions = MetaStoreUtils.compareFieldColumns(
sourceTable.getPartitionKeys(), destinationTable.getPartitionKeys());
if (!sameColumns || !samePartitions) {
throw new MetaException("The tables have different schemas." +
" Their partitions cannot be exchanged.");
}
Path sourcePath = new Path(sourceTable.getSd().getLocation(),
Warehouse.makePartName(partitionKeysPresent, partValsPresent));
Path destPath = new Path(destinationTable.getSd().getLocation(),
Warehouse.makePartName(partitionKeysPresent, partValsPresent));
try {
for (Partition partition: partitionsToExchange) {
Partition destPartition = new Partition(partition);
destPartition.setDbName(destDbName);
destPartition.setTableName(destinationTable.getTableName());
Path destPartitionPath = new Path(destinationTable.getSd().getLocation(),
Warehouse.makePartName(destinationTable.getPartitionKeys(), partition.getValues()));
destPartition.getSd().setLocation(destPartitionPath.toString());
ms.addPartition(destPartition);
ms.dropPartition(partition.getDbName(), sourceTable.getTableName(),
partition.getValues());
}
/**
* TODO: Use the hard link feature of hdfs
* once https://issues.apache.org/jira/browse/HDFS-3370 is done
*/
pathCreated = wh.renameDir(sourcePath, destPath);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (pathCreated) {
wh.renameDir(destPath, sourcePath);
}
}
}
return new Partition();
}
private boolean drop_partition_common(RawStore ms, String db_name, String tbl_name,
List part_vals, final boolean deleteData, final EnvironmentContext envContext)
throws MetaException, NoSuchObjectException, IOException, InvalidObjectException,
InvalidInputException {
boolean success = false;
Path partPath = null;
Table tbl = null;
Partition part = null;
boolean isArchived = false;
Path archiveParentDir = null;
boolean mustPurge = false;
try {
ms.openTransaction();
part = ms.getPartition(db_name, tbl_name, part_vals);
tbl = get_table_core(db_name, tbl_name);
firePreEvent(new PreDropPartitionEvent(tbl, part, deleteData, this));
mustPurge = isMustPurge(envContext, tbl);
if (part == null) {
throw new NoSuchObjectException("Partition doesn't exist. "
+ part_vals);
}
isArchived = MetaStoreUtils.isArchived(part);
if (isArchived) {
archiveParentDir = MetaStoreUtils.getOriginalLocation(part);
verifyIsWritablePath(archiveParentDir);
checkTrashPurgeCombination(archiveParentDir, db_name + "." + tbl_name + "." + part_vals, mustPurge);
}
if (!ms.dropPartition(db_name, tbl_name, part_vals)) {
throw new MetaException("Unable to drop partition");
}
success = ms.commitTransaction();
if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
partPath = new Path(part.getSd().getLocation());
verifyIsWritablePath(partPath);
checkTrashPurgeCombination(partPath, db_name + "." + tbl_name + "." + part_vals, mustPurge);
}
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && ((partPath != null) || (archiveParentDir != null))) {
if (tbl != null && !isExternal(tbl)) {
if (mustPurge) {
LOG.info("dropPartition() will purge " + partPath + " directly, skipping trash.");
}
else {
LOG.info("dropPartition() will move " + partPath + " to trash-directory.");
}
// Archived partitions have har:/to_har_file as their location.
// The original directory was saved in params
if (isArchived) {
assert (archiveParentDir != null);
wh.deleteDir(archiveParentDir, true, mustPurge);
} else {
assert (partPath != null);
wh.deleteDir(partPath, true, mustPurge);
deleteParentRecursive(partPath.getParent(), part_vals.size() - 1, mustPurge);
}
// ok even if the data is not deleted
}
}
for (MetaStoreEventListener listener : listeners) {
DropPartitionEvent dropPartitionEvent =
new DropPartitionEvent(tbl, part, success, deleteData, this);
dropPartitionEvent.setEnvironmentContext(envContext);
listener.onDropPartition(dropPartitionEvent);
}
}
return true;
}
private static boolean isMustPurge(EnvironmentContext envContext, Table tbl) {
// Data needs deletion. Check if trash may be skipped.
// Trash may be skipped iff:
// 1. deleteData == true, obviously.
// 2. tbl is external.
// 3. Either
// 3.1. User has specified PURGE from the commandline, and if not,
// 3.2. User has set the table to auto-purge.
return ((envContext != null) && Boolean.parseBoolean(envContext.getProperties().get("ifPurge")))
|| (tbl.isSetParameters() && "true".equalsIgnoreCase(tbl.getParameters().get("auto.purge")));
}
private void deleteParentRecursive(Path parent, int depth, boolean mustPurge) throws IOException, MetaException {
if (depth > 0 && parent != null && wh.isWritable(parent) && wh.isEmpty(parent)) {
wh.deleteDir(parent, true, mustPurge);
deleteParentRecursive(parent.getParent(), depth - 1, mustPurge);
}
}
@Override
public boolean drop_partition(final String db_name, final String tbl_name,
final List part_vals, final boolean deleteData)
throws NoSuchObjectException, MetaException, TException {
return drop_partition_with_environment_context(db_name, tbl_name, part_vals, deleteData,
null);
}
private static class PathAndPartValSize {
public PathAndPartValSize(Path path, int partValSize) {
this.path = path;
this.partValSize = partValSize;
}
public Path path;
public int partValSize;
}
@Override
public DropPartitionsResult drop_partitions_req(
DropPartitionsRequest request) throws MetaException, NoSuchObjectException, TException {
RawStore ms = getMS();
String dbName = request.getDbName(), tblName = request.getTblName();
boolean ifExists = request.isSetIfExists() && request.isIfExists();
boolean deleteData = request.isSetDeleteData() && request.isDeleteData();
boolean ignoreProtection = request.isSetIgnoreProtection() && request.isIgnoreProtection();
boolean needResult = !request.isSetNeedResult() || request.isNeedResult();
List dirsToDelete = new ArrayList();
List archToDelete = new ArrayList();
EnvironmentContext envContext = request.isSetEnvironmentContext()
? request.getEnvironmentContext() : null;
boolean success = false;
ms.openTransaction();
Table tbl = null;
List parts = null;
boolean mustPurge = false;
try {
// We need Partition-s for firing events and for result; DN needs MPartition-s to drop.
// Great... Maybe we could bypass fetching MPartitions by issuing direct SQL deletes.
tbl = get_table_core(dbName, tblName);
mustPurge = isMustPurge(envContext, tbl);
int minCount = 0;
RequestPartsSpec spec = request.getParts();
List partNames = null;
if (spec.isSetExprs()) {
// Dropping by expressions.
parts = new ArrayList(spec.getExprs().size());
for (DropPartitionsExpr expr : spec.getExprs()) {
++minCount; // At least one partition per expression, if not ifExists
List result = new ArrayList();
boolean hasUnknown = ms.getPartitionsByExpr(
dbName, tblName, expr.getExpr(), null, (short)-1, result);
if (hasUnknown) {
// Expr is built by DDLSA, it should only contain part cols and simple ops
throw new MetaException("Unexpected unknown partitions to drop");
}
// this is to prevent dropping archived partition which is archived in a
// different level the drop command specified.
if (!ignoreProtection && expr.isSetPartArchiveLevel()) {
for (Partition part : parts) {
if (MetaStoreUtils.isArchived(part)
&& MetaStoreUtils.getArchivingLevel(part) < expr.getPartArchiveLevel()) {
throw new MetaException("Cannot drop a subset of partitions "
+ " in an archive, partition " + part);
}
}
}
parts.addAll(result);
}
} else if (spec.isSetNames()) {
partNames = spec.getNames();
minCount = partNames.size();
parts = ms.getPartitionsByNames(dbName, tblName, partNames);
} else {
throw new MetaException("Partition spec is not set");
}
if ((parts.size() < minCount) && !ifExists) {
throw new NoSuchObjectException("Some partitions to drop are missing");
}
List colNames = null;
if (partNames == null) {
partNames = new ArrayList(parts.size());
colNames = new ArrayList(tbl.getPartitionKeys().size());
for (FieldSchema col : tbl.getPartitionKeys()) {
colNames.add(col.getName());
}
}
for (Partition part : parts) {
if (!ignoreProtection && !MetaStoreUtils.canDropPartition(tbl, part)) {
throw new MetaException("Table " + tbl.getTableName()
+ " Partition " + part + " is protected from being dropped");
}
firePreEvent(new PreDropPartitionEvent(tbl, part, deleteData, this));
if (colNames != null) {
partNames.add(FileUtils.makePartName(colNames, part.getValues()));
}
// Preserve the old behavior of failing when we cannot write, even w/o deleteData,
// and even if the table is external. That might not make any sense.
if (MetaStoreUtils.isArchived(part)) {
Path archiveParentDir = MetaStoreUtils.getOriginalLocation(part);
verifyIsWritablePath(archiveParentDir);
checkTrashPurgeCombination(archiveParentDir, dbName + "." + tblName + "." + part.getValues(), mustPurge);
archToDelete.add(archiveParentDir);
}
if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
Path partPath = new Path(part.getSd().getLocation());
verifyIsWritablePath(partPath);
checkTrashPurgeCombination(partPath, dbName + "." + tblName + "." + part.getValues(), mustPurge);
dirsToDelete.add(new PathAndPartValSize(partPath, part.getValues().size()));
}
}
ms.dropPartitions(dbName, tblName, partNames);
success = ms.commitTransaction();
DropPartitionsResult result = new DropPartitionsResult();
if (needResult) {
result.setPartitions(parts);
}
return result;
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && !isExternal(tbl)) {
LOG.info( mustPurge?
"dropPartition() will purge partition-directories directly, skipping trash."
: "dropPartition() will move partition-directories to trash-directory.");
// Archived partitions have har:/to_har_file as their location.
// The original directory was saved in params
for (Path path : archToDelete) {
wh.deleteDir(path, true, mustPurge);
}
for (PathAndPartValSize p : dirsToDelete) {
wh.deleteDir(p.path, true, mustPurge);
try {
deleteParentRecursive(p.path.getParent(), p.partValSize - 1, mustPurge);
} catch (IOException ex) {
LOG.warn("Error from deleteParentRecursive", ex);
throw new MetaException("Failed to delete parent: " + ex.getMessage());
}
}
}
if (parts != null) {
for (Partition part : parts) {
for (MetaStoreEventListener listener : listeners) {
DropPartitionEvent dropPartitionEvent =
new DropPartitionEvent(tbl, part, success, deleteData, this);
dropPartitionEvent.setEnvironmentContext(envContext);
listener.onDropPartition(dropPartitionEvent);
}
}
}
}
}
private void verifyIsWritablePath(Path dir) throws MetaException {
try {
if (!wh.isWritable(dir.getParent())) {
throw new MetaException("Table partition not deleted since " + dir.getParent()
+ " is not writable by " + hiveConf.getUser());
}
} catch (IOException ex) {
LOG.warn("Error from isWritable", ex);
throw new MetaException("Table partition not deleted since " + dir.getParent()
+ " access cannot be checked: " + ex.getMessage());
}
}
@Override
public boolean drop_partition_with_environment_context(final String db_name,
final String tbl_name, final List part_vals, final boolean deleteData,
final EnvironmentContext envContext)
throws NoSuchObjectException, MetaException, TException {
startPartitionFunction("drop_partition", db_name, tbl_name, part_vals);
LOG.info("Partition values:" + part_vals);
boolean ret = false;
Exception ex = null;
try {
ret = drop_partition_common(getMS(), db_name, tbl_name, part_vals, deleteData, envContext);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_partition", ret, ex, tbl_name);
}
return ret;
}
@Override
public Partition get_partition(final String db_name, final String tbl_name,
final List part_vals) throws MetaException, NoSuchObjectException {
startPartitionFunction("get_partition", db_name, tbl_name, part_vals);
Partition ret = null;
Exception ex = null;
try {
fireReadTablePreEvent(db_name, tbl_name);
ret = getMS().getPartition(db_name, tbl_name, part_vals);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_partition", ret != null, ex, tbl_name);
}
return ret;
}
/**
* Fire a pre-event for read table operation, if there are any
* pre-event listeners registered
*
* @param db_name
* @param tbl_name
* @throws MetaException
* @throws NoSuchObjectException
*/
private void fireReadTablePreEvent(String dbName, String tblName) throws MetaException, NoSuchObjectException {
if(preListeners.size() > 0) {
// do this only if there is a pre event listener registered (avoid unnecessary
// metastore api call)
Table t = getMS().getTable(dbName, tblName);
if (t == null) {
throw new NoSuchObjectException(dbName + "." + tblName
+ " table not found");
}
firePreEvent(new PreReadTableEvent(t, this));
}
}
@Override
public Partition get_partition_with_auth(final String db_name,
final String tbl_name, final List part_vals,
final String user_name, final List group_names)
throws MetaException, NoSuchObjectException, TException {
startPartitionFunction("get_partition_with_auth", db_name, tbl_name,
part_vals);
fireReadTablePreEvent(db_name, tbl_name);
Partition ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionWithAuth(db_name, tbl_name, part_vals,
user_name, group_names);
} catch (InvalidObjectException e) {
ex = e;
throw new NoSuchObjectException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partition_with_auth", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List get_partitions(final String db_name, final String tbl_name,
final short max_parts) throws NoSuchObjectException, MetaException {
startTableFunction("get_partitions", db_name, tbl_name);
fireReadTablePreEvent(db_name, tbl_name);
List ret = null;
Exception ex = null;
try {
ret = getMS().getPartitions(db_name, tbl_name, max_parts);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_partitions", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List get_partitions_with_auth(final String dbName,
final String tblName, final short maxParts, final String userName,
final List groupNames) throws NoSuchObjectException,
MetaException, TException {
startTableFunction("get_partitions_with_auth", dbName, tblName);
List ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionsWithAuth(dbName, tblName, maxParts,
userName, groupNames);
} catch (InvalidObjectException e) {
ex = e;
throw new NoSuchObjectException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_with_auth", ret != null, ex, tblName);
}
return ret;
}
@Override
public List get_partitions_pspec(final String db_name, final String tbl_name, final int max_parts)
throws NoSuchObjectException, MetaException {
String dbName = db_name.toLowerCase();
String tableName = tbl_name.toLowerCase();
startTableFunction("get_partitions_pspec", dbName, tableName);
List partitionSpecs = null;
try {
Table table = get_table_core(dbName, tableName);
List partitions = get_partitions(dbName, tableName, (short) max_parts);
if (is_partition_spec_grouping_enabled(table)) {
partitionSpecs = get_partitionspecs_grouped_by_storage_descriptor(table, partitions);
}
else {
PartitionSpec pSpec = new PartitionSpec();
pSpec.setPartitionList(new PartitionListComposingSpec(partitions));
pSpec.setDbName(dbName);
pSpec.setTableName(tableName);
pSpec.setRootPath(table.getSd().getLocation());
partitionSpecs = Arrays.asList(pSpec);
}
return partitionSpecs;
}
finally {
endFunction("get_partitions_pspec", partitionSpecs != null && !partitionSpecs.isEmpty(), null, tbl_name);
}
}
private static class StorageDescriptorKey {
private final StorageDescriptor sd;
StorageDescriptorKey(StorageDescriptor sd) { this.sd = sd; }
StorageDescriptor getSd() {
return sd;
}
private String hashCodeKey() {
return sd.getInputFormat() + "\t"
+ sd.getOutputFormat() + "\t"
+ sd.getSerdeInfo().getSerializationLib() + "\t"
+ sd.getCols();
}
@Override
public int hashCode() {
return hashCodeKey().hashCode();
}
@Override
public boolean equals(Object rhs) {
if (rhs == this)
return true;
if (!(rhs instanceof StorageDescriptorKey))
return false;
return (hashCodeKey().equals(((StorageDescriptorKey) rhs).hashCodeKey()));
}
}
private List get_partitionspecs_grouped_by_storage_descriptor(Table table, List partitions)
throws NoSuchObjectException, MetaException {
assert is_partition_spec_grouping_enabled(table);
final String tablePath = table.getSd().getLocation();
ImmutableListMultimap partitionsWithinTableDirectory
= Multimaps.index(partitions, new com.google.common.base.Function() {
@Override
public Boolean apply(Partition input) {
return input.getSd().getLocation().startsWith(tablePath);
}
});
List partSpecs = new ArrayList();
// Classify partitions within the table directory into groups,
// based on shared SD properties.
Map> sdToPartList
= new HashMap>();
if (partitionsWithinTableDirectory.containsKey(true)) {
ImmutableList partsWithinTableDir = partitionsWithinTableDirectory.get(true);
for (Partition partition : partsWithinTableDir) {
PartitionWithoutSD partitionWithoutSD
= new PartitionWithoutSD( partition.getValues(),
partition.getCreateTime(),
partition.getLastAccessTime(),
partition.getSd().getLocation().substring(tablePath.length()), partition.getParameters());
StorageDescriptorKey sdKey = new StorageDescriptorKey(partition.getSd());
if (!sdToPartList.containsKey(sdKey)) {
sdToPartList.put(sdKey, new ArrayList());
}
sdToPartList.get(sdKey).add(partitionWithoutSD);
} // for (partitionsWithinTableDirectory);
for (Map.Entry> entry : sdToPartList.entrySet()) {
partSpecs.add(getSharedSDPartSpec(table, entry.getKey(), entry.getValue()));
}
} // Done grouping partitions within table-dir.
// Lump all partitions outside the tablePath into one PartSpec.
if (partitionsWithinTableDirectory.containsKey(false)) {
List partitionsOutsideTableDir = partitionsWithinTableDirectory.get(false);
if (!partitionsOutsideTableDir.isEmpty()) {
PartitionSpec partListSpec = new PartitionSpec();
partListSpec.setDbName(table.getDbName());
partListSpec.setTableName(table.getTableName());
partListSpec.setPartitionList(new PartitionListComposingSpec(partitionsOutsideTableDir));
partSpecs.add(partListSpec);
}
}
return partSpecs;
}
private PartitionSpec getSharedSDPartSpec(Table table, StorageDescriptorKey sdKey, List partitions) {
StorageDescriptor sd = new StorageDescriptor(sdKey.getSd());
sd.setLocation(table.getSd().getLocation()); // Use table-dir as root-dir.
PartitionSpecWithSharedSD sharedSDPartSpec =
new PartitionSpecWithSharedSD(partitions, sd);
PartitionSpec ret = new PartitionSpec();
ret.setRootPath(sd.getLocation());
ret.setSharedSDPartitionSpec(sharedSDPartSpec);
ret.setDbName(table.getDbName());
ret.setTableName(table.getTableName());
return ret;
}
private static boolean is_partition_spec_grouping_enabled(Table table) {
Map parameters = table.getParameters();
return parameters.containsKey("hive.hcatalog.partition.spec.grouping.enabled")
&& parameters.get("hive.hcatalog.partition.spec.grouping.enabled").equalsIgnoreCase("true");
}
@Override
public List get_partition_names(final String db_name, final String tbl_name,
final short max_parts) throws MetaException, NoSuchObjectException {
startTableFunction("get_partition_names", db_name, tbl_name);
fireReadTablePreEvent(db_name, tbl_name);
List ret = null;
Exception ex = null;
try {
ret = getMS().listPartitionNames(db_name, tbl_name, max_parts);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_partition_names", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public void alter_partition(final String db_name, final String tbl_name,
final Partition new_part)
throws InvalidOperationException, MetaException,
TException {
rename_partition(db_name, tbl_name, null, new_part);
}
@Override
public void alter_partition_with_environment_context(final String dbName,
final String tableName, final Partition newPartition,
final EnvironmentContext envContext)
throws InvalidOperationException, MetaException, TException {
rename_partition(dbName, tableName, null,
newPartition, envContext);
}
@Override
public void rename_partition(final String db_name, final String tbl_name,
final List part_vals, final Partition new_part)
throws InvalidOperationException, MetaException, TException {
// Call rename_partition without an environment context.
rename_partition(db_name, tbl_name, part_vals, new_part, null);
}
private void rename_partition(final String db_name, final String tbl_name,
final List part_vals, final Partition new_part,
final EnvironmentContext envContext)
throws InvalidOperationException, MetaException,
TException {
startTableFunction("alter_partition", db_name, tbl_name);
if (LOG.isInfoEnabled()) {
LOG.info("New partition values:" + new_part.getValues());
if (part_vals != null && part_vals.size() > 0) {
LOG.info("Old Partition values:" + part_vals);
}
}
Partition oldPart = null;
Exception ex = null;
try {
firePreEvent(new PreAlterPartitionEvent(db_name, tbl_name, part_vals, new_part, this));
if (part_vals != null && !part_vals.isEmpty()) {
MetaStoreUtils.validatePartitionNameCharacters(new_part.getValues(),
partitionValidationPattern);
}
oldPart = alterHandler.alterPartition(getMS(), wh, db_name, tbl_name, part_vals, new_part);
// Only fetch the table if we actually have a listener
Table table = null;
for (MetaStoreEventListener listener : listeners) {
if (table == null) {
table = getMS().getTable(db_name, tbl_name);
}
AlterPartitionEvent alterPartitionEvent =
new AlterPartitionEvent(oldPart, new_part, table, true, this);
alterPartitionEvent.setEnvironmentContext(envContext);
listener.onAlterPartition(alterPartitionEvent);
}
} catch (InvalidObjectException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (AlreadyExistsException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_partition", oldPart != null, ex, tbl_name);
}
return;
}
@Override
public void alter_partitions(final String db_name, final String tbl_name,
final List new_parts)
throws InvalidOperationException, MetaException,
TException {
startTableFunction("alter_partitions", db_name, tbl_name);
if (LOG.isInfoEnabled()) {
for (Partition tmpPart : new_parts) {
LOG.info("New partition values:" + tmpPart.getValues());
}
}
// all partitions are altered atomically
// all prehooks are fired together followed by all post hooks
List oldParts = null;
Exception ex = null;
try {
for (Partition tmpPart : new_parts) {
firePreEvent(new PreAlterPartitionEvent(db_name, tbl_name, null, tmpPart, this));
}
oldParts = alterHandler.alterPartitions(getMS(), wh, db_name, tbl_name, new_parts);
Iterator olditr = oldParts.iterator();
// Only fetch the table if we have a listener that needs it.
Table table = null;
for (Partition tmpPart : new_parts) {
Partition oldTmpPart = null;
if (olditr.hasNext()) {
oldTmpPart = olditr.next();
}
else {
throw new InvalidOperationException("failed to alterpartitions");
}
for (MetaStoreEventListener listener : listeners) {
if (table == null) {
table = getMS().getTable(db_name, tbl_name);
}
AlterPartitionEvent alterPartitionEvent =
new AlterPartitionEvent(oldTmpPart, tmpPart, table, true, this);
listener.onAlterPartition(alterPartitionEvent);
}
}
} catch (InvalidObjectException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (AlreadyExistsException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_partition", oldParts != null, ex, tbl_name);
}
return;
}
@Override
public void alter_index(final String dbname, final String base_table_name,
final String index_name, final Index newIndex)
throws InvalidOperationException, MetaException {
startFunction("alter_index", ": db=" + dbname + " base_tbl=" + base_table_name
+ " idx=" + index_name + " newidx=" + newIndex.getIndexName());
newIndex.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
boolean success = false;
Exception ex = null;
Index oldIndex = null;
try {
oldIndex = get_index_by_name(dbname, base_table_name, index_name);
firePreEvent(new PreAlterIndexEvent(oldIndex, newIndex, this));
getMS().alterIndex(dbname, base_table_name, index_name, newIndex);
success = true;
} catch (InvalidObjectException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_index", success, ex, base_table_name);
for (MetaStoreEventListener listener : listeners) {
AlterIndexEvent alterIndexEvent = new AlterIndexEvent(oldIndex, newIndex, success, this);
listener.onAlterIndex(alterIndexEvent);
}
}
return;
}
@Override
public String getVersion() throws TException {
endFunction(startFunction("getVersion"), true, null);
return "3.0";
}
@Override
public void alter_table(final String dbname, final String name,
final Table newTable)
throws InvalidOperationException, MetaException {
// Do not set an environment context.
alter_table_core(dbname,name, newTable, null, false);
}
@Override
public void alter_table_with_cascade(final String dbname, final String name,
final Table newTable, final boolean cascade)
throws InvalidOperationException, MetaException {
// Do not set an environment context.
alter_table_core(dbname,name, newTable, null, cascade);
}
@Override
public void alter_table_with_environment_context(final String dbname,
final String name, final Table newTable,
final EnvironmentContext envContext)
throws InvalidOperationException, MetaException {
alter_table_core(dbname, name, newTable, envContext, false);
}
private void alter_table_core(final String dbname, final String name, final Table newTable,
final EnvironmentContext envContext, final boolean cascade)
throws InvalidOperationException, MetaException {
startFunction("alter_table", ": db=" + dbname + " tbl=" + name
+ " newtbl=" + newTable.getTableName());
// Update the time if it hasn't been specified.
if (newTable.getParameters() == null ||
newTable.getParameters().get(hive_metastoreConstants.DDL_TIME) == null) {
newTable.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
}
boolean success = false;
Exception ex = null;
try {
Table oldt = get_table_core(dbname, name);
firePreEvent(new PreAlterTableEvent(oldt, newTable, this));
alterHandler.alterTable(getMS(), wh, dbname, name, newTable, cascade);
success = true;
for (MetaStoreEventListener listener : listeners) {
AlterTableEvent alterTableEvent =
new AlterTableEvent(oldt, newTable, success, this);
alterTableEvent.setEnvironmentContext(envContext);
listener.onAlterTable(alterTableEvent);
}
} catch (NoSuchObjectException e) {
// thrown when the table to be altered does not exist
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_table", success, ex, name);
}
}
@Override
public List get_tables(final String dbname, final String pattern)
throws MetaException {
startFunction("get_tables", ": db=" + dbname + " pat=" + pattern);
List ret = null;
Exception ex = null;
try {
ret = getMS().getTables(dbname, pattern);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_tables", ret != null, ex);
}
return ret;
}
@Override
public List get_all_tables(final String dbname) throws MetaException {
startFunction("get_all_tables", ": db=" + dbname);
List ret = null;
Exception ex = null;
try {
ret = getMS().getAllTables(dbname);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_all_tables", ret != null, ex);
}
return ret;
}
@Override
public List get_fields(String db, String tableName)
throws MetaException, UnknownTableException, UnknownDBException {
return get_fields_with_environment_context(db, tableName, null);
}
@Override
public List get_fields_with_environment_context(String db, String tableName,
final EnvironmentContext envContext)
throws MetaException, UnknownTableException, UnknownDBException {
startFunction("get_fields_with_environment_context", ": db=" + db + "tbl=" + tableName);
String[] names = tableName.split("\\.");
String base_table_name = names[0];
Table tbl;
List ret = null;
Exception ex = null;
ClassLoader orgHiveLoader = null;
Configuration curConf = hiveConf;
try {
try {
tbl = get_table_core(db, base_table_name);
} catch (NoSuchObjectException e) {
throw new UnknownTableException(e.getMessage());
}
if (null == tbl.getSd().getSerdeInfo().getSerializationLib() ||
hiveConf.getStringCollection(ConfVars.SERDESUSINGMETASTOREFORSCHEMA.varname).contains
(tbl.getSd().getSerdeInfo().getSerializationLib())) {
ret = tbl.getSd().getCols();
} else {
try {
if (envContext != null) {
String addedJars = envContext.getProperties().get("hive.added.jars.path");
if (org.apache.commons.lang.StringUtils.isNotBlank(addedJars)) {
//for thread safe
curConf = getConf();
orgHiveLoader = curConf.getClassLoader();
ClassLoader loader = MetaStoreUtils.addToClassPath(orgHiveLoader, org.apache.commons.lang.StringUtils.split(addedJars, ","));
curConf.setClassLoader(loader);
}
}
Deserializer s = MetaStoreUtils.getDeserializer(curConf, tbl, false);
ret = MetaStoreUtils.getFieldsFromDeserializer(tableName, s);
} catch (SerDeException e) {
StringUtils.stringifyException(e);
throw new MetaException(e.getMessage());
}
}
} catch (Exception e) {
ex = e;
if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else if (e instanceof UnknownTableException) {
throw (UnknownTableException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
if (orgHiveLoader != null) {
curConf.setClassLoader(orgHiveLoader);
}
endFunction("get_fields_with_environment_context", ret != null, ex, tableName);
}
return ret;
}
/**
* Return the schema of the table. This function includes partition columns
* in addition to the regular columns.
*
* @param db
* Name of the database
* @param tableName
* Name of the table
* @return List of columns, each column is a FieldSchema structure
* @throws MetaException
* @throws UnknownTableException
* @throws UnknownDBException
*/
@Override
public List get_schema(String db, String tableName)
throws MetaException, UnknownTableException, UnknownDBException {
return get_schema_with_environment_context(db,tableName, null);
}
/**
* Return the schema of the table. This function includes partition columns
* in addition to the regular columns.
*
* @param db
* Name of the database
* @param tableName
* Name of the table
* @param envContext
* Store session based properties
* @return List of columns, each column is a FieldSchema structure
* @throws MetaException
* @throws UnknownTableException
* @throws UnknownDBException
*/
@Override
public List get_schema_with_environment_context(String db, String tableName,
final EnvironmentContext envContext)
throws MetaException, UnknownTableException, UnknownDBException {
startFunction("get_schema_with_environment_context", ": db=" + db + "tbl=" + tableName);
boolean success = false;
Exception ex = null;
try {
String[] names = tableName.split("\\.");
String base_table_name = names[0];
Table tbl;
try {
tbl = get_table_core(db, base_table_name);
} catch (NoSuchObjectException e) {
throw new UnknownTableException(e.getMessage());
}
List fieldSchemas = get_fields_with_environment_context(db, base_table_name,envContext);
if (tbl == null || fieldSchemas == null) {
throw new UnknownTableException(tableName + " doesn't exist");
}
if (tbl.getPartitionKeys() != null) {
// Combine the column field schemas and the partition keys to create the
// whole schema
fieldSchemas.addAll(tbl.getPartitionKeys());
}
success = true;
return fieldSchemas;
} catch (Exception e) {
ex = e;
if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else if (e instanceof UnknownTableException) {
throw (UnknownTableException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else {
MetaException me = new MetaException(e.toString());
me.initCause(e);
throw me;
}
} finally {
endFunction("get_schema_with_environment_context", success, ex, tableName);
}
}
@Override
public String getCpuProfile(int profileDurationInSec) throws TException {
return "";
}
/**
* Returns the value of the given configuration variable name. If the
* configuration variable with the given name doesn't exist, or if there
* were an exception thrown while retrieving the variable, or if name is
* null, defaultValue is returned.
*/
@Override
public String get_config_value(String name, String defaultValue)
throws TException, ConfigValSecurityException {
startFunction("get_config_value", ": name=" + name + " defaultValue="
+ defaultValue);
boolean success = false;
Exception ex = null;
try {
if (name == null) {
success = true;
return defaultValue;
}
// Allow only keys that start with hive.*, hdfs.*, mapred.* for security
// i.e. don't allow access to db password
if (!Pattern.matches("(hive|hdfs|mapred).*", name)) {
throw new ConfigValSecurityException("For security reasons, the "
+ "config key " + name + " cannot be accessed");
}
String toReturn = defaultValue;
try {
toReturn = hiveConf.get(name, defaultValue);
} catch (RuntimeException e) {
LOG.error(threadLocalId.get().toString() + ": "
+ "RuntimeException thrown in get_config_value - msg: "
+ e.getMessage() + " cause: " + e.getCause());
}
success = true;
return toReturn;
} catch (Exception e) {
ex = e;
if (e instanceof ConfigValSecurityException) {
throw (ConfigValSecurityException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
TException te = new TException(e.toString());
te.initCause(e);
throw te;
}
} finally {
endFunction("get_config_value", success, ex);
}
}
private List getPartValsFromName(RawStore ms, String dbName, String tblName,
String partName) throws MetaException, InvalidObjectException {
// Unescape the partition name
LinkedHashMap hm = Warehouse.makeSpecFromName(partName);
// getPartition expects partition values in a list. use info from the
// table to put the partition column values in order
Table t = ms.getTable(dbName, tblName);
if (t == null) {
throw new InvalidObjectException(dbName + "." + tblName
+ " table not found");
}
List partVals = new ArrayList();
for (FieldSchema field : t.getPartitionKeys()) {
String key = field.getName();
String val = hm.get(key);
if (val == null) {
throw new InvalidObjectException("incomplete partition name - missing " + key);
}
partVals.add(val);
}
return partVals;
}
private Partition get_partition_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String part_name)
throws MetaException, NoSuchObjectException, TException {
fireReadTablePreEvent(db_name, tbl_name);
List partVals = null;
try {
partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
} catch (InvalidObjectException e) {
throw new NoSuchObjectException(e.getMessage());
}
Partition p = ms.getPartition(db_name, tbl_name, partVals);
if (p == null) {
throw new NoSuchObjectException(db_name + "." + tbl_name
+ " partition (" + part_name + ") not found");
}
return p;
}
@Override
public Partition get_partition_by_name(final String db_name, final String tbl_name,
final String part_name) throws MetaException, NoSuchObjectException, TException {
startFunction("get_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
Partition ret = null;
Exception ex = null;
try {
ret = get_partition_by_name_core(getMS(), db_name, tbl_name, part_name);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partition_by_name", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public Partition append_partition_by_name(final String db_name, final String tbl_name,
final String part_name) throws InvalidObjectException,
AlreadyExistsException, MetaException, TException {
return append_partition_by_name_with_environment_context(db_name, tbl_name, part_name, null);
}
@Override
public Partition append_partition_by_name_with_environment_context(final String db_name,
final String tbl_name, final String part_name, final EnvironmentContext env_context)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
startFunction("append_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
Partition ret = null;
Exception ex = null;
try {
RawStore ms = getMS();
List partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
ret = append_partition_common(ms, db_name, tbl_name, partVals, env_context);
} catch (Exception e) {
ex = e;
if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("append_partition_by_name", ret != null, ex, tbl_name);
}
return ret;
}
private boolean drop_partition_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String part_name, final boolean deleteData,
final EnvironmentContext envContext) throws NoSuchObjectException, MetaException,
TException, IOException, InvalidObjectException, InvalidInputException {
List partVals = null;
try {
partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
} catch (InvalidObjectException e) {
throw new NoSuchObjectException(e.getMessage());
}
return drop_partition_common(ms, db_name, tbl_name, partVals, deleteData, envContext);
}
@Override
public boolean drop_partition_by_name(final String db_name, final String tbl_name,
final String part_name, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
return drop_partition_by_name_with_environment_context(db_name, tbl_name, part_name,
deleteData, null);
}
@Override
public boolean drop_partition_by_name_with_environment_context(final String db_name,
final String tbl_name, final String part_name, final boolean deleteData,
final EnvironmentContext envContext) throws NoSuchObjectException,
MetaException, TException {
startFunction("drop_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
boolean ret = false;
Exception ex = null;
try {
ret = drop_partition_by_name_core(getMS(), db_name, tbl_name,
part_name, deleteData, envContext);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_partition_by_name", ret, ex, tbl_name);
}
return ret;
}
@Override
public List get_partitions_ps(final String db_name,
final String tbl_name, final List part_vals,
final short max_parts) throws MetaException, TException, NoSuchObjectException {
startPartitionFunction("get_partitions_ps", db_name, tbl_name, part_vals);
List ret = null;
Exception ex = null;
try {
ret = get_partitions_ps_with_auth(db_name, tbl_name, part_vals,
max_parts, null, null);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_ps", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List get_partitions_ps_with_auth(final String db_name,
final String tbl_name, final List part_vals,
final short max_parts, final String userName,
final List groupNames) throws MetaException, TException, NoSuchObjectException {
startPartitionFunction("get_partitions_ps_with_auth", db_name, tbl_name,
part_vals);
fireReadTablePreEvent(db_name, tbl_name);
List ret = null;
Exception ex = null;
try {
ret = getMS().listPartitionsPsWithAuth(db_name, tbl_name, part_vals, max_parts,
userName, groupNames);
} catch (InvalidObjectException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_ps_with_auth", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List get_partition_names_ps(final String db_name,
final String tbl_name, final List part_vals, final short max_parts)
throws MetaException, TException, NoSuchObjectException {
startPartitionFunction("get_partitions_names_ps", db_name, tbl_name, part_vals);
fireReadTablePreEvent(db_name, tbl_name);
List ret = null;
Exception ex = null;
try {
ret = getMS().listPartitionNamesPs(db_name, tbl_name, part_vals, max_parts);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_names_ps", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List partition_name_to_vals(String part_name)
throws MetaException, TException {
if (part_name.length() == 0) {
return new ArrayList();
}
LinkedHashMap map = Warehouse.makeSpecFromName(part_name);
List part_vals = new ArrayList();
part_vals.addAll(map.values());
return part_vals;
}
@Override
public Map partition_name_to_spec(String part_name) throws MetaException,
TException {
if (part_name.length() == 0) {
return new HashMap();
}
return Warehouse.makeSpecFromName(part_name);
}
@Override
public Index add_index(final Index newIndex, final Table indexTable)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
startFunction("add_index", ": " + newIndex.toString() + " " + indexTable.toString());
Index ret = null;
Exception ex = null;
try {
ret = add_index_core(getMS(), newIndex, indexTable);
} catch (Exception e) {
ex = e;
if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
String tableName = indexTable != null ? indexTable.getTableName() : null;
endFunction("add_index", ret != null, ex, tableName);
}
return ret;
}
private Index add_index_core(final RawStore ms, final Index index, final Table indexTable)
throws InvalidObjectException, AlreadyExistsException, MetaException {
boolean success = false, indexTableCreated = false;
String[] qualified =
MetaStoreUtils.getQualifiedName(index.getDbName(), index.getIndexTableName());
try {
ms.openTransaction();
firePreEvent(new PreAddIndexEvent(index, this));
Index old_index = null;
try {
old_index = get_index_by_name(index.getDbName(), index
.getOrigTableName(), index.getIndexName());
} catch (Exception e) {
}
if (old_index != null) {
throw new AlreadyExistsException("Index already exists:" + index);
}
Table origTbl = ms.getTable(index.getDbName(), index.getOrigTableName());
if (origTbl == null) {
throw new InvalidObjectException(
"Unable to add index because database or the orginal table do not exist");
}
// set create time
long time = System.currentTimeMillis() / 1000;
Table indexTbl = indexTable;
if (indexTbl != null) {
try {
indexTbl = ms.getTable(qualified[0], qualified[1]);
} catch (Exception e) {
}
if (indexTbl != null) {
throw new InvalidObjectException(
"Unable to add index because index table already exists");
}
this.create_table(indexTable);
indexTableCreated = true;
}
index.setCreateTime((int) time);
index.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
ms.addIndex(index);
success = ms.commitTransaction();
return index;
} finally {
if (!success) {
if (indexTableCreated) {
try {
drop_table(qualified[0], qualified[1], false);
} catch (Exception e) {
}
}
ms.rollbackTransaction();
}
for (MetaStoreEventListener listener : listeners) {
AddIndexEvent addIndexEvent = new AddIndexEvent(index, success, this);
listener.onAddIndex(addIndexEvent);
}
}
}
@Override
public boolean drop_index_by_name(final String dbName, final String tblName,
final String indexName, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
startFunction("drop_index_by_name", ": db=" + dbName + " tbl="
+ tblName + " index=" + indexName);
boolean ret = false;
Exception ex = null;
try {
ret = drop_index_by_name_core(getMS(), dbName, tblName,
indexName, deleteData);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_index_by_name", ret, ex, tblName);
}
return ret;
}
private boolean drop_index_by_name_core(final RawStore ms,
final String dbName, final String tblName,
final String indexName, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException, IOException, InvalidObjectException, InvalidInputException {
boolean success = false;
Index index = null;
Path tblPath = null;
List partPaths = null;
try {
ms.openTransaction();
// drop the underlying index table
index = get_index_by_name(dbName, tblName, indexName); // throws exception if not exists
firePreEvent(new PreDropIndexEvent(index, this));
ms.dropIndex(dbName, tblName, indexName);
String idxTblName = index.getIndexTableName();
if (idxTblName != null) {
String[] qualified = MetaStoreUtils.getQualifiedName(index.getDbName(), idxTblName);
Table tbl = get_table_core(qualified[0], qualified[1]);
if (tbl.getSd() == null) {
throw new MetaException("Table metadata is corrupted");
}
if (tbl.getSd().getLocation() != null) {
tblPath = new Path(tbl.getSd().getLocation());
if (!wh.isWritable(tblPath.getParent())) {
throw new MetaException("Index table metadata not deleted since " +
tblPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
// Drop the partitions and get a list of partition locations which need to be deleted
partPaths = dropPartitionsAndGetLocations(ms, qualified[0], qualified[1], tblPath,
tbl.getPartitionKeys(), deleteData);
if (!ms.dropTable(qualified[0], qualified[1])) {
throw new MetaException("Unable to drop underlying data table "
+ qualified[0] + "." + qualified[1] + " for index " + indexName);
}
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && tblPath != null) {
deletePartitionData(partPaths);
deleteTableData(tblPath);
// ok even if the data is not deleted
}
for (MetaStoreEventListener listener : listeners) {
DropIndexEvent dropIndexEvent = new DropIndexEvent(index, success, this);
listener.onDropIndex(dropIndexEvent);
}
}
return success;
}
@Override
public Index get_index_by_name(final String dbName, final String tblName,
final String indexName) throws MetaException, NoSuchObjectException,
TException {
startFunction("get_index_by_name", ": db=" + dbName + " tbl="
+ tblName + " index=" + indexName);
Index ret = null;
Exception ex = null;
try {
ret = get_index_by_name_core(getMS(), dbName, tblName, indexName);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_index_by_name", ret != null, ex, tblName);
}
return ret;
}
private Index get_index_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String index_name)
throws MetaException, NoSuchObjectException, TException {
Index index = ms.getIndex(db_name, tbl_name, index_name);
if (index == null) {
throw new NoSuchObjectException(db_name + "." + tbl_name
+ " index=" + index_name + " not found");
}
return index;
}
@Override
public List get_index_names(final String dbName, final String tblName,
final short maxIndexes) throws MetaException, TException {
startTableFunction("get_index_names", dbName, tblName);
List ret = null;
Exception ex = null;
try {
ret = getMS().listIndexNames(dbName, tblName, maxIndexes);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_index_names", ret != null, ex, tblName);
}
return ret;
}
@Override
public List get_indexes(final String dbName, final String tblName,
final short maxIndexes) throws NoSuchObjectException, MetaException,
TException {
startTableFunction("get_indexes", dbName, tblName);
List ret = null;
Exception ex = null;
try {
ret = getMS().getIndexes(dbName, tblName, maxIndexes);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_indexes", ret != null, ex, tblName);
}
return ret;
}
private String lowerCaseConvertPartName(String partName) throws MetaException {
boolean isFirst = true;
Map partSpec = Warehouse.makeEscSpecFromName(partName);
String convertedPartName = new String();
for (Map.Entry entry : partSpec.entrySet()) {
String partColName = entry.getKey();
String partColVal = entry.getValue();
if (!isFirst) {
convertedPartName += "/";
} else {
isFirst = false;
}
convertedPartName += partColName.toLowerCase() + "=" + partColVal;
}
return convertedPartName;
}
@Override
public ColumnStatistics get_table_column_statistics(String dbName, String tableName,
String colName) throws NoSuchObjectException, MetaException, TException,
InvalidInputException, InvalidObjectException
{
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
colName = colName.toLowerCase();
startFunction("get_column_statistics_by_table: db=" + dbName + " table=" + tableName +
" column=" + colName);
ColumnStatistics statsObj = null;
try {
statsObj = getMS().getTableColumnStatistics(
dbName, tableName, Lists.newArrayList(colName));
assert statsObj.getStatsObjSize() <= 1;
return statsObj;
} finally {
endFunction("get_column_statistics_by_table: ", statsObj != null, null, tableName);
}
}
@Override
public TableStatsResult get_table_statistics_req(TableStatsRequest request)
throws MetaException, NoSuchObjectException, TException {
String dbName = request.getDbName().toLowerCase();
String tblName = request.getTblName().toLowerCase();
startFunction("get_table_statistics_req: db=" + dbName + " table=" + tblName);
TableStatsResult result = null;
List lowerCaseColNames = new ArrayList(request.getColNames().size());
for (String colName : request.getColNames()) {
lowerCaseColNames.add(colName.toLowerCase());
}
try {
ColumnStatistics cs = getMS().getTableColumnStatistics(dbName, tblName, lowerCaseColNames);
result = new TableStatsResult(
cs == null ? Lists.newArrayList() : cs.getStatsObj());
} finally {
endFunction("get_table_statistics_req: ", result == null, null, tblName);
}
return result;
}
@Override
public ColumnStatistics get_partition_column_statistics(String dbName, String tableName,
String partName, String colName) throws NoSuchObjectException, MetaException,
InvalidInputException, TException, InvalidObjectException {
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
colName = colName.toLowerCase();
String convertedPartName = lowerCaseConvertPartName(partName);
startFunction("get_column_statistics_by_partition: db=" + dbName + " table=" + tableName +
" partition=" + convertedPartName + " column=" + colName);
ColumnStatistics statsObj = null;
try {
List list = getMS().getPartitionColumnStatistics(dbName, tableName,
Lists.newArrayList(convertedPartName), Lists.newArrayList(colName));
if (list.isEmpty()) return null;
if (list.size() != 1) {
throw new MetaException(list.size() + " statistics for single column and partition");
}
statsObj = list.get(0);
} finally {
endFunction("get_column_statistics_by_partition: ", statsObj != null, null, tableName);
}
return statsObj;
}
@Override
public PartitionsStatsResult get_partitions_statistics_req(PartitionsStatsRequest request)
throws MetaException, NoSuchObjectException, TException {
String dbName = request.getDbName().toLowerCase();
String tblName = request.getTblName().toLowerCase();
startFunction("get_partitions_statistics_req: db=" + dbName + " table=" + tblName);
PartitionsStatsResult result = null;
List lowerCaseColNames = new ArrayList(request.getColNames().size());
for (String colName : request.getColNames()) {
lowerCaseColNames.add(colName.toLowerCase());
}
List lowerCasePartNames = new ArrayList(request.getPartNames().size());
for (String partName : request.getPartNames()) {
lowerCasePartNames.add(lowerCaseConvertPartName(partName));
}
try {
List stats = getMS().getPartitionColumnStatistics(
dbName, tblName, lowerCasePartNames, lowerCaseColNames);
Map> map =
new HashMap>();
for (ColumnStatistics stat : stats) {
map.put(stat.getStatsDesc().getPartName(), stat.getStatsObj());
}
result = new PartitionsStatsResult(map);
} finally {
endFunction("get_partitions_statistics_req: ", result == null, null, tblName);
}
return result;
}
@Override
public boolean update_table_column_statistics(ColumnStatistics colStats)
throws NoSuchObjectException,InvalidObjectException,MetaException,TException,
InvalidInputException
{
String dbName = null;
String tableName = null;
String colName = null;
ColumnStatisticsDesc statsDesc = colStats.getStatsDesc();
dbName = statsDesc.getDbName().toLowerCase();
tableName = statsDesc.getTableName().toLowerCase();
statsDesc.setDbName(dbName);
statsDesc.setTableName(tableName);
long time = System.currentTimeMillis() / 1000;
statsDesc.setLastAnalyzed(time);
List statsObjs = colStats.getStatsObj();
for (ColumnStatisticsObj statsObj:statsObjs) {
colName = statsObj.getColName().toLowerCase();
statsObj.setColName(colName);
startFunction("write_column_statistics: db=" + dbName + " table=" + tableName +
" column=" + colName);
}
colStats.setStatsDesc(statsDesc);
colStats.setStatsObj(statsObjs);
boolean ret = false;
try {
ret = getMS().updateTableColumnStatistics(colStats);
return ret;
} finally {
endFunction("write_column_statistics: ", ret != false, null, tableName);
}
}
@Override
public boolean update_partition_column_statistics(ColumnStatistics colStats)
throws NoSuchObjectException,InvalidObjectException,MetaException,TException,
InvalidInputException
{
String dbName = null;
String tableName = null;
String partName = null;
String colName = null;
ColumnStatisticsDesc statsDesc = colStats.getStatsDesc();
dbName = statsDesc.getDbName().toLowerCase();
tableName = statsDesc.getTableName().toLowerCase();
partName = lowerCaseConvertPartName(statsDesc.getPartName());
statsDesc.setDbName(dbName);
statsDesc.setTableName(tableName);
statsDesc.setPartName(partName);
long time = System.currentTimeMillis() / 1000;
statsDesc.setLastAnalyzed(time);
List statsObjs = colStats.getStatsObj();
for (ColumnStatisticsObj statsObj:statsObjs) {
colName = statsObj.getColName().toLowerCase();
statsObj.setColName(colName);
startFunction("write_partition_column_statistics: db=" + dbName + " table=" + tableName +
" part=" + partName + "column=" + colName);
}
colStats.setStatsDesc(statsDesc);
colStats.setStatsObj(statsObjs);
boolean ret = false;
try {
List partVals = getPartValsFromName(getMS(), dbName,
tableName, partName);
ret = getMS().updatePartitionColumnStatistics(colStats, partVals);
return ret;
} finally {
endFunction("write_partition_column_statistics: ", ret != false, null, tableName);
}
}
@Override
public boolean delete_partition_column_statistics(String dbName, String tableName,
String partName, String colName) throws NoSuchObjectException, MetaException,
InvalidObjectException, TException, InvalidInputException
{
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
if (colName != null) {
colName = colName.toLowerCase();
}
String convertedPartName = lowerCaseConvertPartName(partName);
startFunction("delete_column_statistics_by_partition: db=" + dbName + " table=" + tableName +
" partition=" + convertedPartName + " column=" + colName);
boolean ret = false;
try {
List partVals = getPartValsFromName(getMS(), dbName, tableName, convertedPartName);
ret = getMS().deletePartitionColumnStatistics(dbName, tableName,
convertedPartName, partVals, colName);
} finally {
endFunction("delete_column_statistics_by_partition: ", ret != false, null, tableName);
}
return ret;
}
@Override
public boolean delete_table_column_statistics(String dbName, String tableName, String colName)
throws NoSuchObjectException, MetaException, InvalidObjectException, TException,
InvalidInputException
{
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
if (colName != null) {
colName = colName.toLowerCase();
}
startFunction("delete_column_statistics_by_table: db=" + dbName + " table=" + tableName +
" column=" + colName);
boolean ret = false;
try {
ret = getMS().deleteTableColumnStatistics(dbName, tableName, colName);
} finally {
endFunction("delete_column_statistics_by_table: ", ret != false, null, tableName);
}
return ret;
}
@Override
public List get_partitions_by_filter(final String dbName,
final String tblName, final String filter, final short maxParts)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_filter", dbName, tblName);
fireReadTablePreEvent(dbName, tblName);
List ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionsByFilter(dbName, tblName, filter, maxParts);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_by_filter", ret != null, ex, tblName);
}
return ret;
}
@Override
public List get_part_specs_by_filter(final String dbName,
final String tblName, final String filter, final int maxParts)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_filter_pspec", dbName, tblName);
List partitionSpecs = null;
try {
Table table = get_table_core(dbName, tblName);
List partitions = get_partitions_by_filter(dbName, tblName, filter, (short) maxParts);
if (is_partition_spec_grouping_enabled(table)) {
partitionSpecs = get_partitionspecs_grouped_by_storage_descriptor(table, partitions);
}
else {
PartitionSpec pSpec = new PartitionSpec();
pSpec.setPartitionList(new PartitionListComposingSpec(partitions));
pSpec.setRootPath(table.getSd().getLocation());
pSpec.setDbName(dbName);
pSpec.setTableName(tblName);
partitionSpecs = Arrays.asList(pSpec);
}
return partitionSpecs;
}
finally {
endFunction("get_partitions_by_filter_pspec", partitionSpecs != null && !partitionSpecs.isEmpty(), null, tblName);
}
}
@Override
public PartitionsByExprResult get_partitions_by_expr(
PartitionsByExprRequest req) throws TException {
String dbName = req.getDbName(), tblName = req.getTblName();
startTableFunction("get_partitions_by_expr", dbName, tblName);
fireReadTablePreEvent(dbName, tblName);
PartitionsByExprResult ret = null;
Exception ex = null;
try {
List partitions = new LinkedList();
boolean hasUnknownPartitions = getMS().getPartitionsByExpr(dbName, tblName,
req.getExpr(), req.getDefaultPartitionName(), req.getMaxParts(), partitions);
ret = new PartitionsByExprResult(partitions, hasUnknownPartitions);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_by_expr", ret != null, ex, tblName);
}
return ret;
}
private void rethrowException(Exception e)
throws MetaException, NoSuchObjectException, TException {
// TODO: Both of these are TException, why do we need these separate clauses?
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
}
@Override
public List get_partitions_by_names(final String dbName,
final String tblName, final List partNames)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_names", dbName, tblName);
fireReadTablePreEvent(dbName, tblName);
List ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionsByNames(dbName, tblName, partNames);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_by_names", ret != null, ex, tblName);
}
return ret;
}
@Override
public PrincipalPrivilegeSet get_privilege_set(HiveObjectRef hiveObject,
String userName, List groupNames) throws MetaException,
TException {
firePreEvent(new PreAuthorizationCallEvent(this));
if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
String partName = getPartName(hiveObject);
return this.get_column_privilege_set(hiveObject.getDbName(), hiveObject
.getObjectName(), partName, hiveObject.getColumnName(), userName,
groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
String partName = getPartName(hiveObject);
return this.get_partition_privilege_set(hiveObject.getDbName(),
hiveObject.getObjectName(), partName, userName, groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
return this.get_db_privilege_set(hiveObject.getDbName(), userName,
groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
return this.get_table_privilege_set(hiveObject.getDbName(), hiveObject
.getObjectName(), userName, groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
return this.get_user_privilege_set(userName, groupNames);
}
return null;
}
private String getPartName(HiveObjectRef hiveObject) throws MetaException {
String partName = null;
List partValue = hiveObject.getPartValues();
if (partValue != null && partValue.size() > 0) {
try {
Table table = get_table_core(hiveObject.getDbName(), hiveObject
.getObjectName());
partName = Warehouse
.makePartName(table.getPartitionKeys(), partValue);
} catch (NoSuchObjectException e) {
throw new MetaException(e.getMessage());
}
}
return partName;
}
private PrincipalPrivilegeSet get_column_privilege_set(final String dbName,
final String tableName, final String partName, final String columnName,
final String userName, final List groupNames) throws MetaException,
TException {
incrementCounter("get_column_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getColumnPrivilegeSet(
dbName, tableName, partName, columnName, userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
private PrincipalPrivilegeSet get_db_privilege_set(final String dbName,
final String userName, final List groupNames) throws MetaException,
TException {
incrementCounter("get_db_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getDBPrivilegeSet(dbName, userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
private PrincipalPrivilegeSet get_partition_privilege_set(
final String dbName, final String tableName, final String partName,
final String userName, final List groupNames)
throws MetaException, TException {
incrementCounter("get_partition_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getPartitionPrivilegeSet(dbName, tableName, partName,
userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
private PrincipalPrivilegeSet get_table_privilege_set(final String dbName,
final String tableName, final String userName,
final List groupNames) throws MetaException, TException {
incrementCounter("get_table_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getTablePrivilegeSet(dbName, tableName, userName,
groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean grant_role(final String roleName,
final String principalName, final PrincipalType principalType,
final String grantor, final PrincipalType grantorType, final boolean grantOption)
throws MetaException, TException {
incrementCounter("add_role_member");
firePreEvent(new PreAuthorizationCallEvent(this));
if (PUBLIC.equals(roleName)) {
throw new MetaException("No user can be added to " + PUBLIC +". Since all users implictly"
+ " belong to " + PUBLIC + " role.");
}
Boolean ret = null;
try {
RawStore ms = getMS();
Role role = ms.getRole(roleName);
if(principalType == PrincipalType.ROLE){
//check if this grant statement will end up creating a cycle
if(isNewRoleAParent(principalName, roleName)){
throw new MetaException("Cannot grant role " + principalName + " to " + roleName +
" as " + roleName + " already belongs to the role " + principalName +
". (no cycles allowed)");
}
}
ret = ms.grantRole(role, principalName, principalType, grantor, grantorType, grantOption);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
/**
* Check if newRole is in parent hierarchy of curRole
* @param newRole
* @param curRole
* @return true if newRole is curRole or present in its hierarchy
* @throws MetaException
*/
private boolean isNewRoleAParent(String newRole, String curRole) throws MetaException {
if(newRole.equals(curRole)){
return true;
}
//do this check recursively on all the parent roles of curRole
List parentRoleMaps = getMS().listRoles(curRole, PrincipalType.ROLE);
for(MRoleMap parentRole : parentRoleMaps){
if(isNewRoleAParent(newRole, parentRole.getRole().getRoleName())){
return true;
}
}
return false;
}
@Override
public List list_roles(final String principalName,
final PrincipalType principalType) throws MetaException, TException {
incrementCounter("list_roles");
firePreEvent(new PreAuthorizationCallEvent(this));
List result = new ArrayList();
try {
List roleMaps = getMS().listRoles(principalName, principalType);
if (roleMaps != null) {
for (MRoleMap roleMap : roleMaps) {
MRole mrole = roleMap.getRole();
Role role = new Role(mrole.getRoleName(), mrole.getCreateTime(), mrole.getOwnerName());
result.add(role);
}
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public boolean create_role(final Role role)
throws MetaException, TException {
incrementCounter("create_role");
firePreEvent(new PreAuthorizationCallEvent(this));
if (PUBLIC.equals(role.getRoleName())) {
throw new MetaException(PUBLIC + " role implictly exists. It can't be created.");
}
Boolean ret = null;
try {
ret = getMS().addRole(role.getRoleName(), role.getOwnerName());
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean drop_role(final String roleName)
throws MetaException, TException {
incrementCounter("drop_role");
firePreEvent(new PreAuthorizationCallEvent(this));
if (ADMIN.equals(roleName) || PUBLIC.equals(roleName)) {
throw new MetaException(PUBLIC + "," + ADMIN + " roles can't be dropped.");
}
Boolean ret = null;
try {
ret = getMS().removeRole(roleName);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public List get_role_names() throws MetaException, TException {
incrementCounter("get_role_names");
firePreEvent(new PreAuthorizationCallEvent(this));
List ret = null;
try {
ret = getMS().listRoleNames();
return ret;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public boolean grant_privileges(final PrivilegeBag privileges) throws MetaException,
TException {
incrementCounter("grant_privileges");
firePreEvent(new PreAuthorizationCallEvent(this));
Boolean ret = null;
try {
ret = getMS().grantPrivileges(privileges);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean revoke_role(final String roleName, final String userName,
final PrincipalType principalType) throws MetaException, TException {
return revoke_role(roleName, userName, principalType, false);
}
private boolean revoke_role(final String roleName, final String userName,
final PrincipalType principalType, boolean grantOption) throws MetaException, TException {
incrementCounter("remove_role_member");
firePreEvent(new PreAuthorizationCallEvent(this));
if (PUBLIC.equals(roleName)) {
throw new MetaException(PUBLIC + " role can't be revoked.");
}
Boolean ret = null;
try {
RawStore ms = getMS();
Role mRole = ms.getRole(roleName);
ret = ms.revokeRole(mRole, userName, principalType, grantOption);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public GrantRevokeRoleResponse grant_revoke_role(GrantRevokeRoleRequest request)
throws MetaException, org.apache.thrift.TException {
GrantRevokeRoleResponse response = new GrantRevokeRoleResponse();
boolean grantOption = false;
if (request.isSetGrantOption()) {
grantOption = request.isGrantOption();
}
switch (request.getRequestType()) {
case GRANT: {
boolean result = grant_role(request.getRoleName(),
request.getPrincipalName(), request.getPrincipalType(),
request.getGrantor(), request.getGrantorType(), grantOption);
response.setSuccess(result);
break;
}
case REVOKE: {
boolean result = revoke_role(request.getRoleName(), request.getPrincipalName(),
request.getPrincipalType(), grantOption);
response.setSuccess(result);
break;
}
default:
throw new MetaException("Unknown request type " + request.getRequestType());
}
return response;
}
@Override
public GrantRevokePrivilegeResponse grant_revoke_privileges(GrantRevokePrivilegeRequest request)
throws MetaException, org.apache.thrift.TException {
GrantRevokePrivilegeResponse response = new GrantRevokePrivilegeResponse();
switch (request.getRequestType()) {
case GRANT: {
boolean result = grant_privileges(request.getPrivileges());
response.setSuccess(result);
break;
}
case REVOKE: {
boolean revokeGrantOption = false;
if (request.isSetRevokeGrantOption()) {
revokeGrantOption = request.isRevokeGrantOption();
}
boolean result = revoke_privileges(request.getPrivileges(), revokeGrantOption);
response.setSuccess(result);
break;
}
default:
throw new MetaException("Unknown request type " + request.getRequestType());
}
return response;
}
@Override
public boolean revoke_privileges(final PrivilegeBag privileges)
throws MetaException, TException {
return revoke_privileges(privileges, false);
}
public boolean revoke_privileges(final PrivilegeBag privileges, boolean grantOption)
throws MetaException, TException {
incrementCounter("revoke_privileges");
firePreEvent(new PreAuthorizationCallEvent(this));
Boolean ret = null;
try {
ret = getMS().revokePrivileges(privileges, grantOption);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
private PrincipalPrivilegeSet get_user_privilege_set(final String userName,
final List groupNames) throws MetaException, TException {
incrementCounter("get_user_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getUserPrivilegeSet(userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public List list_privileges(String principalName,
PrincipalType principalType, HiveObjectRef hiveObject)
throws MetaException, TException {
firePreEvent(new PreAuthorizationCallEvent(this));
if (hiveObject.getObjectType() == null) {
return getAllPrivileges(principalName, principalType);
}
if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
return list_global_privileges(principalName, principalType);
}
if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
return list_db_privileges(principalName, principalType, hiveObject
.getDbName());
}
if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
return list_table_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName());
}
if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
return list_partition_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject
.getPartValues());
}
if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
if (hiveObject.getPartValues() == null || hiveObject.getPartValues().isEmpty()) {
return list_table_column_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject.getColumnName());
}
return list_partition_column_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject
.getPartValues(), hiveObject.getColumnName());
}
return null;
}
private List getAllPrivileges(String principalName,
PrincipalType principalType) throws TException {
List privs = new ArrayList();
privs.addAll(list_global_privileges(principalName, principalType));
privs.addAll(list_db_privileges(principalName, principalType, null));
privs.addAll(list_table_privileges(principalName, principalType, null, null));
privs.addAll(list_partition_privileges(principalName, principalType, null, null, null));
privs.addAll(list_table_column_privileges(principalName, principalType, null, null, null));
privs.addAll(list_partition_column_privileges(principalName, principalType,
null, null, null, null));
return privs;
}
private List list_table_column_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final String columnName)
throws MetaException, TException {
incrementCounter("list_table_column_privileges");
try {
if (dbName == null) {
return getMS().listPrincipalTableColumnGrantsAll(principalName, principalType);
}
if (principalName == null) {
return getMS().listTableColumnGrantsAll(dbName, tableName, columnName);
}
List mTableCols = getMS()
.listPrincipalTableColumnGrants(principalName, principalType,
dbName, tableName, columnName);
if (mTableCols.isEmpty()) {
return Collections.emptyList();
}
List result = new ArrayList();
for (int i = 0; i < mTableCols.size(); i++) {
MTableColumnPrivilege sCol = mTableCols.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.COLUMN, dbName, tableName, null, sCol.getColumnName());
HiveObjectPrivilege secObj = new HiveObjectPrivilege(
objectRef, sCol.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sCol.getPrivilege(), sCol
.getCreateTime(), sCol.getGrantor(), PrincipalType
.valueOf(sCol.getGrantorType()), sCol
.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private List list_partition_column_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final List partValues,
final String columnName) throws MetaException, TException {
incrementCounter("list_partition_column_privileges");
try {
if (dbName == null) {
return getMS().listPrincipalPartitionColumnGrantsAll(principalName, principalType);
}
Table tbl = get_table_core(dbName, tableName);
String partName = Warehouse.makePartName(tbl.getPartitionKeys(), partValues);
if (principalName == null) {
return getMS().listPartitionColumnGrantsAll(dbName, tableName, partName, columnName);
}
List mPartitionCols = getMS().listPrincipalPartitionColumnGrants(
principalName,
principalType, dbName, tableName, partName, columnName);
if (mPartitionCols.isEmpty()) {
return Collections.emptyList();
}
List result = new ArrayList();
for (int i = 0; i < mPartitionCols.size(); i++) {
MPartitionColumnPrivilege sCol = mPartitionCols.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.COLUMN, dbName, tableName, partValues, sCol.getColumnName());
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sCol.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sCol.getPrivilege(), sCol
.getCreateTime(), sCol.getGrantor(), PrincipalType
.valueOf(sCol.getGrantorType()), sCol.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private List list_db_privileges(final String principalName,
final PrincipalType principalType, final String dbName)
throws MetaException, TException {
incrementCounter("list_security_db_grant");
try {
if (dbName == null) {
return getMS().listPrincipalDBGrantsAll(principalName, principalType);
}
if (principalName == null) {
return getMS().listDBGrantsAll(dbName);
}
List mDbs = getMS().listPrincipalDBGrants(
principalName, principalType, dbName);
if (mDbs.isEmpty()) {
return Collections.emptyList();
}
List result = new ArrayList();
for (int i = 0; i < mDbs.size(); i++) {
MDBPrivilege sDB = mDbs.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.DATABASE, dbName, null, null, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sDB.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sDB.getPrivilege(), sDB
.getCreateTime(), sDB.getGrantor(), PrincipalType
.valueOf(sDB.getGrantorType()), sDB.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private List list_partition_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final List partValues)
throws MetaException, TException {
incrementCounter("list_security_partition_grant");
try {
if (dbName == null) {
return getMS().listPrincipalPartitionGrantsAll(principalName, principalType);
}
Table tbl = get_table_core(dbName, tableName);
String partName = Warehouse.makePartName(tbl.getPartitionKeys(), partValues);
if (principalName == null) {
return getMS().listPartitionGrantsAll(dbName, tableName, partName);
}
List mParts = getMS().listPrincipalPartitionGrants(
principalName, principalType, dbName, tableName, partName);
if (mParts.isEmpty()) {
return Collections. emptyList();
}
List result = new ArrayList();
for (int i = 0; i < mParts.size(); i++) {
MPartitionPrivilege sPart = mParts.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.PARTITION, dbName, tableName, partValues, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sPart.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sPart.getPrivilege(), sPart
.getCreateTime(), sPart.getGrantor(), PrincipalType
.valueOf(sPart.getGrantorType()), sPart
.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private List list_table_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName) throws MetaException,
TException {
incrementCounter("list_security_table_grant");
try {
if (dbName == null) {
return getMS().listPrincipalTableGrantsAll(principalName, principalType);
}
if (principalName == null) {
return getMS().listTableGrantsAll(dbName, tableName);
}
List mTbls = getMS()
.listAllTableGrants(principalName, principalType, dbName, tableName);
if (mTbls.isEmpty()) {
return Collections. emptyList();
}
List result = new ArrayList();
for (int i = 0; i < mTbls.size(); i++) {
MTablePrivilege sTbl = mTbls.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.TABLE, dbName, tableName, null, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sTbl.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sTbl.getPrivilege(), sTbl.getCreateTime(), sTbl
.getGrantor(), PrincipalType.valueOf(sTbl
.getGrantorType()), sTbl.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private List list_global_privileges(
final String principalName, final PrincipalType principalType)
throws MetaException, TException {
incrementCounter("list_security_user_grant");
try {
if (principalName == null) {
return getMS().listGlobalGrantsAll();
}
List mUsers = getMS().listPrincipalGlobalGrants(
principalName, principalType);
if (mUsers.isEmpty()) {
return Collections. emptyList();
}
List result = new ArrayList();
for (int i = 0; i < mUsers.size(); i++) {
MGlobalPrivilege sUsr = mUsers.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.GLOBAL, null, null, null, null);
HiveObjectPrivilege secUser = new HiveObjectPrivilege(
objectRef, sUsr.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sUsr.getPrivilege(), sUsr
.getCreateTime(), sUsr.getGrantor(), PrincipalType
.valueOf(sUsr.getGrantorType()), sUsr.getGrantOption()));
result.add(secUser);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public void cancel_delegation_token(String token_str_form)
throws MetaException, TException {
startFunction("cancel_delegation_token");
boolean success = false;
Exception ex = null;
try {
HiveMetaStore.cancelDelegationToken(token_str_form);
success = true;
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("cancel_delegation_token", success, ex);
}
}
@Override
public long renew_delegation_token(String token_str_form)
throws MetaException, TException {
startFunction("renew_delegation_token");
Long ret = null;
Exception ex = null;
try {
ret = HiveMetaStore.renewDelegationToken(token_str_form);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("renew_delegation_token", ret != null, ex);
}
return ret;
}
@Override
public String get_delegation_token(String token_owner,
String renewer_kerberos_principal_name)
throws MetaException, TException {
startFunction("get_delegation_token");
String ret = null;
Exception ex = null;
try {
ret =
HiveMetaStore.getDelegationToken(token_owner,
renewer_kerberos_principal_name);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (InterruptedException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_delegation_token", ret != null, ex);
}
return ret;
}
@Override
public void markPartitionForEvent(final String db_name, final String tbl_name,
final Map partName, final PartitionEventType evtType) throws
MetaException, TException, NoSuchObjectException, UnknownDBException,
UnknownTableException,
InvalidPartitionException, UnknownPartitionException {
Table tbl = null;
Exception ex = null;
try {
startPartitionFunction("markPartitionForEvent", db_name, tbl_name, partName);
firePreEvent(new PreLoadPartitionDoneEvent(db_name, tbl_name, partName, this));
tbl = getMS().markPartitionForEvent(db_name, tbl_name, partName, evtType);
if (null == tbl) {
throw new UnknownTableException("Table: " + tbl_name + " not found.");
} else {
for (MetaStoreEventListener listener : listeners) {
listener.onLoadPartitionDone(new LoadPartitionDoneEvent(true, tbl, partName, this));
}
}
} catch (Exception original) {
ex = original;
LOG.error(original);
if (original instanceof NoSuchObjectException) {
throw (NoSuchObjectException) original;
} else if (original instanceof UnknownTableException) {
throw (UnknownTableException) original;
} else if (original instanceof UnknownDBException) {
throw (UnknownDBException) original;
} else if (original instanceof UnknownPartitionException) {
throw (UnknownPartitionException) original;
} else if (original instanceof InvalidPartitionException) {
throw (InvalidPartitionException) original;
} else if (original instanceof MetaException) {
throw (MetaException) original;
} else {
throw newMetaException(original);
}
} finally {
endFunction("markPartitionForEvent", tbl != null, ex, tbl_name);
}
}
@Override
public boolean isPartitionMarkedForEvent(final String db_name, final String tbl_name,
final Map partName, final PartitionEventType evtType) throws
MetaException, NoSuchObjectException, UnknownDBException, UnknownTableException,
TException, UnknownPartitionException, InvalidPartitionException {
startPartitionFunction("isPartitionMarkedForEvent", db_name, tbl_name, partName);
Boolean ret = null;
Exception ex = null;
try {
ret = getMS().isPartitionMarkedForEvent(db_name, tbl_name, partName, evtType);
} catch (Exception original) {
LOG.error(original);
ex = original;
if (original instanceof NoSuchObjectException) {
throw (NoSuchObjectException) original;
} else if (original instanceof UnknownTableException) {
throw (UnknownTableException) original;
} else if (original instanceof UnknownDBException) {
throw (UnknownDBException) original;
} else if (original instanceof UnknownPartitionException) {
throw (UnknownPartitionException) original;
} else if (original instanceof InvalidPartitionException) {
throw (InvalidPartitionException) original;
} else if (original instanceof MetaException) {
throw (MetaException) original;
} else {
throw newMetaException(original);
}
} finally {
endFunction("isPartitionMarkedForEvent", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List set_ugi(String username, List groupNames) throws MetaException,
TException {
Collections.addAll(groupNames, username);
return groupNames;
}
@Override
public boolean partition_name_has_valid_characters(List
