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Posted to commits@hive.apache.org by se...@apache.org on 2018/07/19 21:45:30 UTC
[52/54] [abbrv] hive git commit: HIVE-19416 : merge master into
branch (Sergey Shelukhin) 0719
http://git-wip-us.apache.org/repos/asf/hive/blob/651e7950/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java
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diff --cc standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java
index 0000000,47f819b..285f7fb
mode 000000,100644..100644
--- a/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java
+++ b/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java
@@@ -1,0 -1,9353 +1,9602 @@@
+ /* * 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.Warehouse.DEFAULT_DATABASE_COMMENT;
+ import static org.apache.hadoop.hive.metastore.Warehouse.DEFAULT_DATABASE_NAME;
+ import static org.apache.hadoop.hive.metastore.Warehouse.DEFAULT_CATALOG_NAME;
+ import static org.apache.hadoop.hive.metastore.Warehouse.getCatalogQualifiedTableName;
+ import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.getDefaultCatalog;
+ import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.parseDbName;
+ import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.CAT_NAME;
+ import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.DB_NAME;
+ import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.prependCatalogToDbName;
+ import static org.apache.hadoop.hive.metastore.utils.MetaStoreUtils.prependNotNullCatToDbName;
+
+ import java.io.IOException;
+ import java.net.InetAddress;
+ import java.net.UnknownHostException;
+ import java.nio.ByteBuffer;
+ import java.security.PrivilegedExceptionAction;
+ import java.util.AbstractMap;
+ import java.util.ArrayList;
+ import java.util.Arrays;
+ import java.util.Collection;
+ import java.util.Collections;
+ 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.Objects;
+ import java.util.Properties;
+ import java.util.Set;
+ import java.util.concurrent.ConcurrentHashMap;
+ import java.util.concurrent.ExecutionException;
+ import java.util.concurrent.ExecutorService;
+ import java.util.concurrent.Executors;
+ import java.util.concurrent.Future;
+ import java.util.concurrent.TimeUnit;
+ import java.util.concurrent.atomic.AtomicBoolean;
+ import java.util.concurrent.atomic.AtomicInteger;
+ 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 com.codahale.metrics.Counter;
+ import com.google.common.collect.ImmutableList;
+ import com.google.common.collect.ImmutableListMultimap;
+ import com.google.common.collect.Lists;
+ import com.google.common.collect.Multimaps;
+
+ import org.apache.commons.cli.OptionBuilder;
+ import org.apache.hadoop.conf.Configuration;
+ import org.apache.hadoop.fs.FileStatus;
+ import org.apache.hadoop.fs.FileSystem;
+ import org.apache.hadoop.fs.Path;
+ import org.apache.hadoop.hive.common.StatsSetupConst;
+ import org.apache.hadoop.hive.common.TableName;
+ import org.apache.hadoop.hive.metastore.api.*;
+ import org.apache.hadoop.hive.metastore.events.AddForeignKeyEvent;
+ import org.apache.hadoop.hive.metastore.events.AcidWriteEvent;
+ import org.apache.hadoop.hive.metastore.conf.MetastoreConf;
+ import org.apache.hadoop.hive.metastore.conf.MetastoreConf.ConfVars;
+ import org.apache.hadoop.hive.metastore.conf.MetastoreConf.StatsUpdateMode;
+ import org.apache.hadoop.hive.metastore.events.AbortTxnEvent;
+ import org.apache.hadoop.hive.metastore.events.AddNotNullConstraintEvent;
+ import org.apache.hadoop.hive.metastore.events.AddPartitionEvent;
+ import org.apache.hadoop.hive.metastore.events.AddPrimaryKeyEvent;
+ import org.apache.hadoop.hive.metastore.events.AddUniqueConstraintEvent;
+ import org.apache.hadoop.hive.metastore.events.AllocWriteIdEvent;
+ import org.apache.hadoop.hive.metastore.events.AlterCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.AlterDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.AlterISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.AlterPartitionEvent;
+ import org.apache.hadoop.hive.metastore.events.AlterSchemaVersionEvent;
+ import org.apache.hadoop.hive.metastore.events.AlterTableEvent;
+ import org.apache.hadoop.hive.metastore.events.CommitTxnEvent;
+ import org.apache.hadoop.hive.metastore.events.ConfigChangeEvent;
+ import org.apache.hadoop.hive.metastore.events.CreateCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.CreateDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.CreateFunctionEvent;
+ import org.apache.hadoop.hive.metastore.events.CreateISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.AddSchemaVersionEvent;
+ import org.apache.hadoop.hive.metastore.events.CreateTableEvent;
+ import org.apache.hadoop.hive.metastore.events.DropCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.DropConstraintEvent;
+ import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.DropFunctionEvent;
+ import org.apache.hadoop.hive.metastore.events.DropISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
+ import org.apache.hadoop.hive.metastore.events.DropSchemaVersionEvent;
+ import org.apache.hadoop.hive.metastore.events.DropTableEvent;
+ import org.apache.hadoop.hive.metastore.events.InsertEvent;
+ import org.apache.hadoop.hive.metastore.events.LoadPartitionDoneEvent;
+ import org.apache.hadoop.hive.metastore.events.OpenTxnEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAddPartitionEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAlterCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAlterDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAlterISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAlterPartitionEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAlterSchemaVersionEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAlterTableEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAuthorizationCallEvent;
+ import org.apache.hadoop.hive.metastore.events.PreCreateCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.PreCreateDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.PreCreateISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.PreAddSchemaVersionEvent;
+ import org.apache.hadoop.hive.metastore.events.PreCreateTableEvent;
+ import org.apache.hadoop.hive.metastore.events.PreDropCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.PreDropDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.PreDropISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.PreDropPartitionEvent;
+ import org.apache.hadoop.hive.metastore.events.PreDropSchemaVersionEvent;
+ 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.PreReadCatalogEvent;
+ import org.apache.hadoop.hive.metastore.events.PreReadDatabaseEvent;
+ import org.apache.hadoop.hive.metastore.events.PreReadISchemaEvent;
+ import org.apache.hadoop.hive.metastore.events.PreReadTableEvent;
+ import org.apache.hadoop.hive.metastore.events.PreReadhSchemaVersionEvent;
+ import org.apache.hadoop.hive.metastore.messaging.EventMessage.EventType;
+ import org.apache.hadoop.hive.metastore.metrics.JvmPauseMonitor;
+ import org.apache.hadoop.hive.metastore.metrics.Metrics;
+ import org.apache.hadoop.hive.metastore.metrics.MetricsConstants;
+ import org.apache.hadoop.hive.metastore.metrics.PerfLogger;
+ import org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy;
+ import org.apache.hadoop.hive.metastore.security.HadoopThriftAuthBridge;
+ import org.apache.hadoop.hive.metastore.security.MetastoreDelegationTokenManager;
+ import org.apache.hadoop.hive.metastore.security.TUGIContainingTransport;
+ import org.apache.hadoop.hive.metastore.txn.TxnStore;
+ import org.apache.hadoop.hive.metastore.txn.TxnUtils;
+ import org.apache.hadoop.security.SecurityUtil;
+ import org.apache.hadoop.hive.metastore.utils.CommonCliOptions;
+ import org.apache.hadoop.hive.metastore.utils.FileUtils;
+ import org.apache.hadoop.hive.metastore.utils.HdfsUtils;
+ import org.apache.hadoop.hive.metastore.utils.JavaUtils;
+ import org.apache.hadoop.hive.metastore.utils.LogUtils;
+ import org.apache.hadoop.hive.metastore.utils.MetaStoreUtils;
+ import org.apache.hadoop.hive.metastore.utils.MetastoreVersionInfo;
+ import org.apache.hadoop.hive.metastore.utils.SecurityUtils;
+ import org.apache.hadoop.security.UserGroupInformation;
+ import org.apache.hadoop.util.ReflectionUtils;
+ import org.apache.hadoop.util.ShutdownHookManager;
+ import org.apache.hadoop.util.StringUtils;
+ import org.apache.logging.log4j.LogManager;
+ import org.apache.logging.log4j.core.LoggerContext;
+ 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.TProtocol;
+ import org.apache.thrift.protocol.TProtocolFactory;
+ import org.apache.thrift.server.ServerContext;
+ import org.apache.thrift.server.TServer;
+ import org.apache.thrift.server.TServerEventHandler;
+ import org.apache.thrift.server.TThreadPoolServer;
+ import org.apache.thrift.transport.TFramedTransport;
+ import org.apache.thrift.transport.TServerSocket;
+ import org.apache.thrift.transport.TTransport;
+ import org.apache.thrift.transport.TTransportFactory;
+ import org.slf4j.Logger;
+ import org.slf4j.LoggerFactory;
+
+ import com.facebook.fb303.FacebookBase;
+ import com.facebook.fb303.fb_status;
+ import com.google.common.annotations.VisibleForTesting;
+ import com.google.common.base.Preconditions;
+ import com.google.common.base.Splitter;
+ import com.google.common.util.concurrent.ThreadFactoryBuilder;
+
+ /**
+ * TODO:pc remove application logic to a separate interface.
+ */
+ public class HiveMetaStore extends ThriftHiveMetastore {
+ public static final Logger LOG = LoggerFactory.getLogger(HiveMetaStore.class);
+ public static final String PARTITION_NUMBER_EXCEED_LIMIT_MSG =
+ "Number of partitions scanned (=%d) on table '%s' exceeds limit (=%d). This is controlled on the metastore server by %s.";
+
+ // 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;
+
+ private static ShutdownHookManager shutdownHookMgr;
+
+ public static final String ADMIN = "admin";
+ public static final String PUBLIC = "public";
+ /** MM write states. */
+ public static final char MM_WRITE_OPEN = 'o', MM_WRITE_COMMITTED = 'c', MM_WRITE_ABORTED = 'a';
+
+ private static HadoopThriftAuthBridge.Server saslServer;
+ private static MetastoreDelegationTokenManager delegationTokenManager;
+ private static boolean useSasl;
+
+ static final String NO_FILTER_STRING = "";
+ static final int UNLIMITED_MAX_PARTITIONS = -1;
+
+ 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 boolean isRenameAllowed(Database srcDB, Database destDB) {
+ if (!srcDB.getName().equalsIgnoreCase(destDB.getName())) {
+ if (ReplChangeManager.isSourceOfReplication(srcDB) || ReplChangeManager.isSourceOfReplication(destDB)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ public static class HMSHandler extends FacebookBase implements IHMSHandler {
+ public static final Logger LOG = HiveMetaStore.LOG;
+ private final Configuration conf; // stores datastore (jpox) properties,
+ // right now they come from jpox.properties
+
+ // Flag to control that always threads are initialized only once
+ // instead of multiple times
+ private final static AtomicBoolean alwaysThreadsInitialized =
+ new AtomicBoolean(false);
+
+ private static String currentUrl;
+ private FileMetadataManager fileMetadataManager;
+ private PartitionExpressionProxy expressionProxy;
+ private StorageSchemaReader storageSchemaReader;
+
+ // Variables for metrics
+ // Package visible so that HMSMetricsListener can see them.
+ static AtomicInteger databaseCount, tableCount, partCount;
+
+ private Warehouse wh; // hdfs warehouse
+ private static final ThreadLocal<RawStore> threadLocalMS =
+ new ThreadLocal<RawStore>() {
+ @Override
+ protected RawStore initialValue() {
+ return null;
+ }
+ };
+
+ private static final ThreadLocal<TxnStore> threadLocalTxn = new ThreadLocal<TxnStore>() {
+ @Override
+ protected TxnStore initialValue() {
+ return null;
+ }
+ };
+
+ private static final ThreadLocal<Map<String, com.codahale.metrics.Timer.Context>> timerContexts =
+ new ThreadLocal<Map<String, com.codahale.metrics.Timer.Context>>() {
+ @Override
+ protected Map<String, com.codahale.metrics.Timer.Context> initialValue() {
+ return new HashMap<>();
+ }
+ };
+
+ public static RawStore getRawStore() {
+ return threadLocalMS.get();
+ }
+
+ 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<Configuration> threadLocalConf =
+ new ThreadLocal<Configuration>() {
+ @Override
+ protected Configuration initialValue() {
+ return null;
+ }
+ };
+
+ /**
+ * Thread local HMSHandler used during shutdown to notify meta listeners
+ */
+ private static final ThreadLocal<HMSHandler> threadLocalHMSHandler = new ThreadLocal<>();
+
+ /**
+ * Thread local Map to keep track of modified meta conf keys
+ */
+ private static final ThreadLocal<Map<String, String>> threadLocalModifiedConfig =
+ new ThreadLocal<>();
+
+ private static ExecutorService threadPool;
+
+ static final Logger auditLog = LoggerFactory.getLogger(
+ HiveMetaStore.class.getName() + ".audit");
+
+ private static void logAuditEvent(String cmd) {
+ if (cmd == null) {
+ return;
+ }
+
+ UserGroupInformation ugi;
+ try {
+ ugi = SecurityUtils.getUGI();
+ } catch (Exception ex) {
+ throw new RuntimeException(ex);
+ }
+
+ String address = getIPAddress();
+ if (address == null) {
+ address = "unknown-ip-addr";
+ }
+
+ auditLog.info("ugi={} ip={} cmd={} ", ugi.getUserName(), address, cmd);
+ }
+
+ private static String getIPAddress() {
+ if (useSasl) {
+ if (saslServer != null && saslServer.getRemoteAddress() != null) {
+ return saslServer.getRemoteAddress().getHostAddress();
+ }
+ } else {
+ // if kerberos is not enabled
+ return getThreadLocalIpAddress();
+ }
+ return null;
+ }
+
+ private static AtomicInteger nextSerialNum = new AtomicInteger();
+ private static ThreadLocal<Integer> threadLocalId = new ThreadLocal<Integer>() {
+ @Override
+ protected Integer initialValue() {
+ return nextSerialNum.getAndIncrement();
+ }
+ };
+
+ // 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. This is also not set when kerberos is used.
+ private static ThreadLocal<String> threadLocalIpAddress = new ThreadLocal<String>() {
+ @Override
+ protected String initialValue() {
+ return null;
+ }
+ };
+
+ /**
+ * Internal function to notify listeners for meta config change events
+ */
+ private void notifyMetaListeners(String key, String oldValue, String newValue) throws MetaException {
+ for (MetaStoreEventListener listener : listeners) {
+ listener.onConfigChange(new ConfigChangeEvent(this, key, oldValue, newValue));
+ }
+
+ if (transactionalListeners.size() > 0) {
+ // All the fields of this event are final, so no reason to create a new one for each
+ // listener
+ ConfigChangeEvent cce = new ConfigChangeEvent(this, key, oldValue, newValue);
+ for (MetaStoreEventListener transactionalListener : transactionalListeners) {
+ transactionalListener.onConfigChange(cce);
+ }
+ }
+ }
+
+ /**
+ * Internal function to notify listeners to revert back to old values of keys
+ * that were modified during setMetaConf. This would get called from HiveMetaStore#cleanupRawStore
+ */
+ private void notifyMetaListenersOnShutDown() {
+ Map<String, String> modifiedConf = threadLocalModifiedConfig.get();
+ if (modifiedConf == null) {
+ // Nothing got modified
+ return;
+ }
+ try {
+ Configuration conf = threadLocalConf.get();
+ if (conf == null) {
+ throw new MetaException("Unexpected: modifiedConf is non-null but conf is null");
+ }
+ // Notify listeners of the changed value
+ for (Entry<String, String> entry : modifiedConf.entrySet()) {
+ String key = entry.getKey();
+ // curr value becomes old and vice-versa
+ String currVal = entry.getValue();
+ String oldVal = conf.get(key);
+ if (!Objects.equals(oldVal, currVal)) {
+ notifyMetaListeners(key, oldVal, currVal);
+ }
+ }
+ logInfo("Meta listeners shutdown notification completed.");
+ } catch (MetaException e) {
+ LOG.error("Failed to notify meta listeners on shutdown: ", e);
+ }
+ }
+
+ static void setThreadLocalIpAddress(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, or if kereberos
+ // is used
+ static String getThreadLocalIpAddress() {
+ return threadLocalIpAddress.get();
+ }
+
+ // Make it possible for tests to check that the right type of PartitionExpressionProxy was
+ // instantiated.
+ @VisibleForTesting
+ PartitionExpressionProxy getExpressionProxy() {
+ return expressionProxy;
+ }
+
+ /**
+ * Use {@link #getThreadId()} instead.
+ * @return thread id
+ */
+ @Deprecated
+ public static Integer get() {
+ return threadLocalId.get();
+ }
+
+ @Override
+ public int getThreadId() {
+ return threadLocalId.get();
+ }
+
+ public HMSHandler(String name) throws MetaException {
+ this(name, MetastoreConf.newMetastoreConf(), true);
+ }
+
+ public HMSHandler(String name, Configuration conf) throws MetaException {
+ this(name, conf, true);
+ }
+
+ public HMSHandler(String name, Configuration conf, boolean init) throws MetaException {
+ super(name);
+ this.conf = conf;
+ isInTest = MetastoreConf.getBoolVar(this.conf, ConfVars.HIVE_IN_TEST);
+ if (threadPool == null) {
+ synchronized (HMSHandler.class) {
+ int numThreads = MetastoreConf.getIntVar(conf, ConfVars.FS_HANDLER_THREADS_COUNT);
+ threadPool = Executors.newFixedThreadPool(numThreads,
+ new ThreadFactoryBuilder().setDaemon(true)
+ .setNameFormat("HMSHandler #%d").build());
+ }
+ }
+ if (init) {
+ init();
+ }
+ }
+
+ /**
+ * Use {@link #getConf()} instead.
+ * @return Configuration object
+ */
+ @Deprecated
+ public Configuration getHiveConf() {
+ return conf;
+ }
+
+ private ClassLoader classLoader;
+ private AlterHandler alterHandler;
+ private List<MetaStorePreEventListener> preListeners;
+ private List<MetaStoreEventListener> listeners;
+ private List<TransactionalMetaStoreEventListener> transactionalListeners;
+ private List<MetaStoreEndFunctionListener> endFunctionListeners;
+ private List<MetaStoreInitListener> initListeners;
+ private Pattern partitionValidationPattern;
+ private final boolean isInTest;
+
+ {
+ classLoader = Thread.currentThread().getContextClassLoader();
+ if (classLoader == null) {
+ classLoader = Configuration.class.getClassLoader();
+ }
+ }
+
+ @Override
+ public List<TransactionalMetaStoreEventListener> getTransactionalListeners() {
+ return transactionalListeners;
+ }
+
+ @Override
+ public List<MetaStoreEventListener> getListeners() {
+ return listeners;
+ }
+
+ @Override
+ public void init() throws MetaException {
+ initListeners = MetaStoreUtils.getMetaStoreListeners(
+ MetaStoreInitListener.class, conf, MetastoreConf.getVar(conf, ConfVars.INIT_HOOKS));
+ for (MetaStoreInitListener singleInitListener: initListeners) {
+ MetaStoreInitContext context = new MetaStoreInitContext();
+ singleInitListener.onInit(context);
+ }
+
+ String alterHandlerName = MetastoreConf.getVar(conf, ConfVars.ALTER_HANDLER);
+ alterHandler = ReflectionUtils.newInstance(JavaUtils.getClass(
+ alterHandlerName, AlterHandler.class), conf);
+ wh = new Warehouse(conf);
+
+ synchronized (HMSHandler.class) {
+ if (currentUrl == null || !currentUrl.equals(MetaStoreInit.getConnectionURL(conf))) {
+ createDefaultDB();
+ createDefaultRoles();
+ addAdminUsers();
+ currentUrl = MetaStoreInit.getConnectionURL(conf);
+ }
+ }
+
+ //Start Metrics
+ if (MetastoreConf.getBoolVar(conf, ConfVars.METRICS_ENABLED)) {
+ LOG.info("Begin calculating metadata count metrics.");
+ Metrics.initialize(conf);
+ databaseCount = Metrics.getOrCreateGauge(MetricsConstants.TOTAL_DATABASES);
+ tableCount = Metrics.getOrCreateGauge(MetricsConstants.TOTAL_TABLES);
+ partCount = Metrics.getOrCreateGauge(MetricsConstants.TOTAL_PARTITIONS);
+ updateMetrics();
+
+ }
+
+ preListeners = MetaStoreUtils.getMetaStoreListeners(MetaStorePreEventListener.class,
+ conf, MetastoreConf.getVar(conf, ConfVars.PRE_EVENT_LISTENERS));
+ preListeners.add(0, new TransactionalValidationListener(conf));
+ listeners = MetaStoreUtils.getMetaStoreListeners(MetaStoreEventListener.class, conf,
+ MetastoreConf.getVar(conf, ConfVars.EVENT_LISTENERS));
+ listeners.add(new SessionPropertiesListener(conf));
+ listeners.add(new AcidEventListener(conf));
+ transactionalListeners = MetaStoreUtils.getMetaStoreListeners(TransactionalMetaStoreEventListener.class,
+ conf, MetastoreConf.getVar(conf, ConfVars.TRANSACTIONAL_EVENT_LISTENERS));
+ if (Metrics.getRegistry() != null) {
+ listeners.add(new HMSMetricsListener(conf));
+ }
+
+ endFunctionListeners = MetaStoreUtils.getMetaStoreListeners(
+ MetaStoreEndFunctionListener.class, conf, MetastoreConf.getVar(conf, ConfVars.END_FUNCTION_LISTENERS));
+
+ String partitionValidationRegex =
+ MetastoreConf.getVar(conf, ConfVars.PARTITION_NAME_WHITELIST_PATTERN);
+ if (partitionValidationRegex != null && !partitionValidationRegex.isEmpty()) {
+ partitionValidationPattern = Pattern.compile(partitionValidationRegex);
+ } else {
+ partitionValidationPattern = null;
+ }
+
+ // We only initialize once the tasks that need to be run periodically
+ if (alwaysThreadsInitialized.compareAndSet(false, true)) {
+ ThreadPool.initialize(conf);
+ Collection<String> taskNames =
+ MetastoreConf.getStringCollection(conf, ConfVars.TASK_THREADS_ALWAYS);
+ for (String taskName : taskNames) {
+ MetastoreTaskThread task =
+ JavaUtils.newInstance(JavaUtils.getClass(taskName, MetastoreTaskThread.class));
+ task.setConf(conf);
+ long freq = task.runFrequency(TimeUnit.MILLISECONDS);
+ // For backwards compatibility, since some threads used to be hard coded but only run if
+ // frequency was > 0
+ if (freq > 0) {
+ ThreadPool.getPool().scheduleAtFixedRate(task, freq, freq, TimeUnit.MILLISECONDS);
+ }
+ }
+ }
+ expressionProxy = PartFilterExprUtil.createExpressionProxy(conf);
+ fileMetadataManager = new FileMetadataManager(this.getMS(), conf);
+ }
+
+ private static String addPrefix(String s) {
+ return threadLocalId.get() + ": " + s;
+ }
+
+ /**
+ * Set copy of invoking HMSHandler on thread local
+ */
+ private static void setHMSHandler(HMSHandler handler) {
+ if (threadLocalHMSHandler.get() == null) {
+ threadLocalHMSHandler.set(handler);
+ }
+ }
+ @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(this.conf);
+ threadLocalConf.set(conf);
+ }
+ return conf;
+ }
+
+ private Map<String, String> getModifiedConf() {
+ Map<String, String> modifiedConf = threadLocalModifiedConfig.get();
+ if (modifiedConf == null) {
+ modifiedConf = new HashMap<>();
+ threadLocalModifiedConfig.set(modifiedConf);
+ }
+ return modifiedConf;
+ }
+
+ @Override
+ public Warehouse getWh() {
+ return wh;
+ }
+
+ @Override
+ public void setMetaConf(String key, String value) throws MetaException {
+ ConfVars confVar = MetastoreConf.getMetaConf(key);
+ if (confVar == null) {
+ throw new MetaException("Invalid configuration key " + key);
+ }
+ try {
+ confVar.validate(value);
+ } catch (IllegalArgumentException e) {
+ throw new MetaException("Invalid configuration value " + value + " for key " + key +
+ " by " + e.getMessage());
+ }
+ Configuration configuration = getConf();
+ String oldValue = MetastoreConf.get(configuration, key);
+ // Save prev val of the key on threadLocal
+ Map<String, String> modifiedConf = getModifiedConf();
+ if (!modifiedConf.containsKey(key)) {
+ modifiedConf.put(key, oldValue);
+ }
+ // Set invoking HMSHandler on threadLocal, this will be used later to notify
+ // metaListeners in HiveMetaStore#cleanupRawStore
+ setHMSHandler(this);
+ configuration.set(key, value);
+ notifyMetaListeners(key, oldValue, value);
+
+ if (ConfVars.TRY_DIRECT_SQL == confVar) {
+ HMSHandler.LOG.info("Direct SQL optimization = {}", value);
+ }
+ }
+
+ @Override
+ public String getMetaConf(String key) throws MetaException {
+ ConfVars confVar = MetastoreConf.getMetaConf(key);
+ if (confVar == null) {
+ throw new MetaException("Invalid configuration key " + key);
+ }
+ return getConf().get(key, confVar.getDefaultVal().toString());
+ }
+
+ /**
+ * Get a cached RawStore.
+ *
+ * @return the cached RawStore
+ * @throws MetaException
+ */
+ @Override
+ public RawStore getMS() throws MetaException {
+ Configuration conf = getConf();
+ return getMSForConf(conf);
+ }
+
+ public static RawStore getMSForConf(Configuration conf) throws MetaException {
+ RawStore ms = threadLocalMS.get();
+ if (ms == null) {
+ ms = newRawStoreForConf(conf);
+ ms.verifySchema();
+ threadLocalMS.set(ms);
+ ms = threadLocalMS.get();
+ }
+ return ms;
+ }
+
+ @Override
+ public TxnStore getTxnHandler() {
++ return getMsThreadTxnHandler(conf);
++ }
++
++ public static TxnStore getMsThreadTxnHandler(Configuration conf) {
+ TxnStore txn = threadLocalTxn.get();
+ if (txn == null) {
+ txn = TxnUtils.getTxnStore(conf);
+ threadLocalTxn.set(txn);
+ }
+ return txn;
+ }
+
+ static RawStore newRawStoreForConf(Configuration conf) throws MetaException {
+ Configuration newConf = new Configuration(conf);
+ String rawStoreClassName = MetastoreConf.getVar(newConf, ConfVars.RAW_STORE_IMPL);
+ LOG.info(addPrefix("Opening raw store with implementation class:" + rawStoreClassName));
+ return RawStoreProxy.getProxy(newConf, conf, rawStoreClassName, threadLocalId.get());
+ }
+
+ @VisibleForTesting
+ public static void createDefaultCatalog(RawStore ms, Warehouse wh) throws MetaException,
+ InvalidOperationException {
+ try {
+ Catalog defaultCat = ms.getCatalog(DEFAULT_CATALOG_NAME);
+ // Null check because in some test cases we get a null from ms.getCatalog.
+ if (defaultCat !=null && defaultCat.getLocationUri().equals("TBD")) {
+ // One time update issue. When the new 'hive' catalog is created in an upgrade the
+ // script does not know the location of the warehouse. So we need to update it.
+ LOG.info("Setting location of default catalog, as it hasn't been done after upgrade");
+ defaultCat.setLocationUri(wh.getWhRoot().toString());
+ ms.alterCatalog(defaultCat.getName(), defaultCat);
+ }
+
+ } catch (NoSuchObjectException e) {
+ Catalog cat = new Catalog(DEFAULT_CATALOG_NAME, wh.getWhRoot().toString());
+ cat.setDescription(Warehouse.DEFAULT_CATALOG_COMMENT);
+ ms.createCatalog(cat);
+ }
+ }
+
+ private void createDefaultDB_core(RawStore ms) throws MetaException, InvalidObjectException {
+ try {
+ ms.getDatabase(DEFAULT_CATALOG_NAME, 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);
+ db.setCatalogName(DEFAULT_CATALOG_NAME);
+ 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 {
+ RawStore ms = getMS();
+ createDefaultCatalog(ms, wh);
+ createDefaultDB_core(ms);
+ } 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|InvalidOperationException 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), "SQL"));
+ 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 = MetastoreConf.getVar(conf,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<String> 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 separated 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 static void logInfo(String m) {
+ LOG.info(threadLocalId.get().toString() + ": " + m);
+ logAuditEvent(m);
+ }
+
+ private String startFunction(String function, String extraLogInfo) {
+ incrementCounter(function);
+ logInfo((getThreadLocalIpAddress() == null ? "" : "source:" + getThreadLocalIpAddress() + " ") +
+ function + extraLogInfo);
+ com.codahale.metrics.Timer timer =
+ Metrics.getOrCreateTimer(MetricsConstants.API_PREFIX + function);
+ if (timer != null) {
+ // Timer will be null we aren't using the metrics
+ timerContexts.get().put(function, timer.time());
+ }
+ Counter counter = Metrics.getOrCreateCounter(MetricsConstants.ACTIVE_CALLS + function);
+ if (counter != null) {
+ counter.inc();
+ }
+ return function;
+ }
+
+ private String startFunction(String function) {
+ return startFunction(function, "");
+ }
+
+ private void startTableFunction(String function, String catName, String db, String tbl) {
+ startFunction(function, " : tbl=" +
+ TableName.getQualified(catName, db, tbl));
+ }
+
+ private void startMultiTableFunction(String function, String db, List<String> tbls) {
+ String tableNames = join(tbls, ",");
+ startFunction(function, " : db=" + db + " tbls=" + tableNames);
+ }
+
+ private void startPartitionFunction(String function, String cat, String db, String tbl,
+ List<String> partVals) {
+ startFunction(function, " : tbl=" +
+ TableName.getQualified(cat, db, tbl) + "[" + join(partVals, ",") + "]");
+ }
+
+ private void startPartitionFunction(String function, String catName, String db, String tbl,
+ Map<String, String> partName) {
+ startFunction(function, " : tbl=" +
+ TableName.getQualified(catName, db, 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) {
+ com.codahale.metrics.Timer.Context timerContext = timerContexts.get().remove(function);
+ if (timerContext != null) {
+ timerContext.close();
+ }
+ Counter counter = Metrics.getOrCreateCounter(MetricsConstants.ACTIVE_CALLS + function);
+ if (counter != null) {
+ counter.dec();
+ }
+
+ for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
+ listener.onEndFunction(function, context);
+ }
+ }
+
+ @Override
+ public fb_status getStatus() {
+ return fb_status.ALIVE;
+ }
+
+ @Override
+ public void shutdown() {
+ cleanupRawStore();
+ PerfLogger.getPerfLogger(false).cleanupPerfLogMetrics();
+ }
+
+ @Override
+ public AbstractMap<String, Long> getCounters() {
+ AbstractMap<String, Long> counters = super.getCounters();
+
+ // Allow endFunctionListeners to add any counters they have collected
+ if (endFunctionListeners != null) {
+ for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
+ listener.exportCounters(counters);
+ }
+ }
+
+ return counters;
+ }
+
+ @Override
+ public void create_catalog(CreateCatalogRequest rqst)
+ throws AlreadyExistsException, InvalidObjectException, MetaException {
+ Catalog catalog = rqst.getCatalog();
+ startFunction("create_catalog", ": " + catalog.toString());
+ boolean success = false;
+ Exception ex = null;
+ try {
+ try {
+ getMS().getCatalog(catalog.getName());
+ throw new AlreadyExistsException("Catalog " + catalog.getName() + " already exists");
+ } catch (NoSuchObjectException e) {
+ // expected
+ }
+
+ if (!MetaStoreUtils.validateName(catalog.getName(), null)) {
+ throw new InvalidObjectException(catalog.getName() + " is not a valid catalog name");
+ }
+
+ if (catalog.getLocationUri() == null) {
+ throw new InvalidObjectException("You must specify a path for the catalog");
+ }
+
+ RawStore ms = getMS();
+ Path catPath = new Path(catalog.getLocationUri());
+ boolean madeDir = false;
+ Map<String, String> transactionalListenersResponses = Collections.emptyMap();
+ try {
+ firePreEvent(new PreCreateCatalogEvent(this, catalog));
+ if (!wh.isDir(catPath)) {
+ if (!wh.mkdirs(catPath)) {
+ throw new MetaException("Unable to create catalog path " + catPath +
+ ", failed to create catalog " + catalog.getName());
+ }
+ madeDir = true;
+ }
+
+ ms.openTransaction();
+ ms.createCatalog(catalog);
+
+ // Create a default database inside the catalog
+ Database db = new Database(DEFAULT_DATABASE_NAME, "Default database for catalog " +
+ catalog.getName(), catalog.getLocationUri(), Collections.emptyMap());
+ db.setCatalogName(catalog.getName());
+ create_database_core(ms, db);
+
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenersResponses =
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.CREATE_CATALOG,
+ new CreateCatalogEvent(true, this, catalog));
+ }
+
+ success = ms.commitTransaction();
+ } finally {
+ if (!success) {
+ ms.rollbackTransaction();
+ if (madeDir) {
+ wh.deleteDir(catPath, true, false, false);
+ }
+ }
+
+ if (!listeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.CREATE_CATALOG,
+ new CreateCatalogEvent(success, this, catalog),
+ null,
+ transactionalListenersResponses, ms);
+ }
+ }
+ success = true;
+ } catch (AlreadyExistsException|InvalidObjectException|MetaException e) {
+ ex = e;
+ throw e;
+ } finally {
+ endFunction("create_catalog", success, ex);
+ }
+ }
+
+ @Override
+ public void alter_catalog(AlterCatalogRequest rqst) throws TException {
+ startFunction("alter_catalog " + rqst.getName());
+ boolean success = false;
+ Exception ex = null;
+ RawStore ms = getMS();
+ Map<String, String> transactionalListenersResponses = Collections.emptyMap();
+ GetCatalogResponse oldCat = null;
+
+ try {
+ oldCat = get_catalog(new GetCatalogRequest(rqst.getName()));
+ // Above should have thrown NoSuchObjectException if there is no such catalog
+ assert oldCat != null && oldCat.getCatalog() != null;
+ firePreEvent(new PreAlterCatalogEvent(oldCat.getCatalog(), rqst.getNewCat(), this));
+
+ ms.openTransaction();
+ ms.alterCatalog(rqst.getName(), rqst.getNewCat());
+
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenersResponses =
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.ALTER_CATALOG,
+ new AlterCatalogEvent(oldCat.getCatalog(), rqst.getNewCat(), true, this));
+ }
+
+ success = ms.commitTransaction();
+ } catch (MetaException|NoSuchObjectException e) {
+ ex = e;
+ throw e;
+ } finally {
+ if (!success) {
+ ms.rollbackTransaction();
+ }
+
+ if ((null != oldCat) && (!listeners.isEmpty())) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.ALTER_CATALOG,
+ new AlterCatalogEvent(oldCat.getCatalog(), rqst.getNewCat(), success, this),
+ null, transactionalListenersResponses, ms);
+ }
+ endFunction("alter_catalog", success, ex);
+ }
+
+ }
+
+ @Override
+ public GetCatalogResponse get_catalog(GetCatalogRequest rqst)
+ throws NoSuchObjectException, TException {
+ String catName = rqst.getName();
+ startFunction("get_catalog", ": " + catName);
+ Catalog cat = null;
+ Exception ex = null;
+ try {
+ cat = getMS().getCatalog(catName);
+ firePreEvent(new PreReadCatalogEvent(this, cat));
+ return new GetCatalogResponse(cat);
+ } catch (MetaException|NoSuchObjectException e) {
+ ex = e;
+ throw e;
+ } finally {
+ endFunction("get_database", cat != null, ex);
+ }
+ }
+
+ @Override
+ public GetCatalogsResponse get_catalogs() throws MetaException {
+ startFunction("get_catalogs");
+
+ List<String> ret = null;
+ Exception ex = null;
+ try {
+ ret = getMS().getCatalogs();
+ } catch (MetaException e) {
+ ex = e;
+ throw e;
+ } finally {
+ endFunction("get_catalog", ret != null, ex);
+ }
+ return new GetCatalogsResponse(ret == null ? Collections.emptyList() : ret);
+
+ }
+
+ @Override
+ public void drop_catalog(DropCatalogRequest rqst)
+ throws NoSuchObjectException, InvalidOperationException, MetaException {
+ String catName = rqst.getName();
+ startFunction("drop_catalog", ": " + catName);
+ if (DEFAULT_CATALOG_NAME.equalsIgnoreCase(catName)) {
+ endFunction("drop_catalog", false, null);
+ throw new MetaException("Can not drop " + DEFAULT_CATALOG_NAME + " catalog");
+ }
+
+ boolean success = false;
+ Exception ex = null;
+ try {
+ dropCatalogCore(catName);
+ success = true;
+ } catch (NoSuchObjectException|InvalidOperationException|MetaException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ throw newMetaException(e);
+ } finally {
+ endFunction("drop_catalog", success, ex);
+ }
+
+ }
+
+ private void dropCatalogCore(String catName)
+ throws MetaException, NoSuchObjectException, InvalidOperationException {
+ boolean success = false;
+ Catalog cat = null;
+ Map<String, String> transactionalListenerResponses = Collections.emptyMap();
+ RawStore ms = getMS();
+ try {
+ ms.openTransaction();
+ cat = ms.getCatalog(catName);
+
+ firePreEvent(new PreDropCatalogEvent(this, cat));
+
+ List<String> allDbs = get_databases(prependNotNullCatToDbName(catName, null));
+ if (allDbs != null && !allDbs.isEmpty()) {
+ // It might just be the default, in which case we can drop that one if it's empty
+ if (allDbs.size() == 1 && allDbs.get(0).equals(DEFAULT_DATABASE_NAME)) {
+ try {
+ drop_database_core(ms, catName, DEFAULT_DATABASE_NAME, true, false);
+ } catch (InvalidOperationException e) {
+ // This means there are tables of something in the database
+ throw new InvalidOperationException("There are still objects in the default " +
+ "database for catalog " + catName);
+ } catch (InvalidObjectException|IOException|InvalidInputException e) {
+ MetaException me = new MetaException("Error attempt to drop default database for " +
+ "catalog " + catName);
+ me.initCause(e);
+ throw me;
+ }
+ } else {
+ throw new InvalidOperationException("There are non-default databases in the catalog " +
+ catName + " so it cannot be dropped.");
+ }
+ }
+
+ ms.dropCatalog(catName) ;
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenerResponses =
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.DROP_CATALOG,
+ new DropCatalogEvent(true, this, cat));
+ }
+
+ success = ms.commitTransaction();
+ } finally {
+ if (success) {
+ wh.deleteDir(wh.getDnsPath(new Path(cat.getLocationUri())), false, false, false);
+ } else {
+ ms.rollbackTransaction();
+ }
+
+ if (!listeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.DROP_CATALOG,
+ new DropCatalogEvent(success, this, cat),
+ null,
+ transactionalListenerResponses, ms);
+ }
+ }
+ }
+
+
+ // Assumes that the catalog has already been set.
+ private void create_database_core(RawStore ms, final Database db)
+ throws AlreadyExistsException, InvalidObjectException, MetaException {
+ if (!MetaStoreUtils.validateName(db.getName(), null)) {
+ throw new InvalidObjectException(db.getName() + " is not a valid database name");
+ }
+
+ Catalog cat = null;
+ try {
+ cat = getMS().getCatalog(db.getCatalogName());
+ } catch (NoSuchObjectException e) {
+ LOG.error("No such catalog " + db.getCatalogName());
+ throw new InvalidObjectException("No such catalog " + db.getCatalogName());
+ }
+ Path dbPath = wh.determineDatabasePath(cat, db);
+ db.setLocationUri(dbPath.toString());
+
+ boolean success = false;
+ boolean madeDir = false;
+ Map<String, String> transactionalListenersResponses = Collections.emptyMap();
+ try {
+ firePreEvent(new PreCreateDatabaseEvent(db, this));
+ if (!wh.isDir(dbPath)) {
+ LOG.debug("Creating database path " + dbPath);
+ if (!wh.mkdirs(dbPath)) {
+ throw new MetaException("Unable to create database path " + dbPath +
+ ", failed to create database " + db.getName());
+ }
+ madeDir = true;
+ }
+
+ ms.openTransaction();
+ ms.createDatabase(db);
+
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenersResponses =
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.CREATE_DATABASE,
+ new CreateDatabaseEvent(db, true, this));
+ }
+
+ success = ms.commitTransaction();
+ } finally {
+ if (!success) {
+ ms.rollbackTransaction();
+ if (madeDir) {
+ wh.deleteDir(dbPath, true, db);
+ }
+ }
+
+ if (!listeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.CREATE_DATABASE,
+ new CreateDatabaseEvent(db, success, this),
+ null,
+ transactionalListenersResponses, ms);
+ }
+ }
+ }
+
+ @Override
+ public void create_database(final Database db)
+ throws AlreadyExistsException, InvalidObjectException, MetaException {
+ startFunction("create_database", ": " + db.toString());
+ boolean success = false;
+ Exception ex = null;
+ if (!db.isSetCatalogName()) {
+ db.setCatalogName(getDefaultCatalog(conf));
+ }
+ try {
+ try {
+ if (null != get_database_core(db.getCatalogName(), 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 (MetaException | InvalidObjectException | AlreadyExistsException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ 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 {
+ String[] parsedDbName = parseDbName(name, conf);
+ db = get_database_core(parsedDbName[CAT_NAME], parsedDbName[DB_NAME]);
+ firePreEvent(new PreReadDatabaseEvent(db, this));
+ } catch (MetaException|NoSuchObjectException e) {
+ ex = e;
+ throw e;
+ } finally {
+ endFunction("get_database", db != null, ex);
+ }
+ return db;
+ }
+
+ @Override
+ public Database get_database_core(String catName, final String name) throws NoSuchObjectException, MetaException {
+ Database db = null;
+ if (name == null) {
+ throw new MetaException("Database name cannot be null.");
+ }
+ try {
+ db = getMS().getDatabase(catName, name);
+ } catch (MetaException | 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 newDB) throws TException {
+ startFunction("alter_database " + dbName);
+ boolean success = false;
+ Exception ex = null;
+ RawStore ms = getMS();
+ Database oldDB = null;
+ Map<String, String> transactionalListenersResponses = Collections.emptyMap();
+
+ // Perform the same URI normalization as create_database_core.
+ if (newDB.getLocationUri() != null) {
+ newDB.setLocationUri(wh.getDnsPath(new Path(newDB.getLocationUri())).toString());
+ }
+
+ String[] parsedDbName = parseDbName(dbName, conf);
+
+ try {
+ oldDB = get_database_core(parsedDbName[CAT_NAME], parsedDbName[DB_NAME]);
+ if (oldDB == null) {
+ throw new MetaException("Could not alter database \"" + parsedDbName[DB_NAME] +
+ "\". Could not retrieve old definition.");
+ }
+ firePreEvent(new PreAlterDatabaseEvent(oldDB, newDB, this));
+
+ ms.openTransaction();
+ ms.alterDatabase(parsedDbName[CAT_NAME], parsedDbName[DB_NAME], newDB);
+
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenersResponses =
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.ALTER_DATABASE,
+ new AlterDatabaseEvent(oldDB, newDB, true, this));
+ }
+
+ success = ms.commitTransaction();
+ } catch (MetaException|NoSuchObjectException e) {
+ ex = e;
+ throw e;
+ } finally {
+ if (!success) {
+ ms.rollbackTransaction();
+ }
+
+ if ((null != oldDB) && (!listeners.isEmpty())) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.ALTER_DATABASE,
+ new AlterDatabaseEvent(oldDB, newDB, success, this),
+ null,
+ transactionalListenersResponses, ms);
+ }
+ endFunction("alter_database", success, ex);
+ }
+ }
+
+ private void drop_database_core(RawStore ms, String catName,
+ final String name, final boolean deleteData, final boolean cascade)
+ throws NoSuchObjectException, InvalidOperationException, MetaException,
+ IOException, InvalidObjectException, InvalidInputException {
+ boolean success = false;
+ Database db = null;
+ List<Path> tablePaths = new ArrayList<>();
+ List<Path> partitionPaths = new ArrayList<>();
+ Map<String, String> transactionalListenerResponses = Collections.emptyMap();
+ if (name == null) {
+ throw new MetaException("Database name cannot be null.");
+ }
+ try {
+ ms.openTransaction();
+ db = ms.getDatabase(catName, name);
+
+ if (!isInTest && ReplChangeManager.isSourceOfReplication(db)) {
+ throw new InvalidOperationException("can not drop a database which is a source of replication");
+ }
+
+ firePreEvent(new PreDropDatabaseEvent(db, this));
+ String catPrependedName = MetaStoreUtils.prependCatalogToDbName(catName, name, conf);
+
+ Set<String> uniqueTableNames = new HashSet<>(get_all_tables(catPrependedName));
+ List<String> allFunctions = get_functions(catPrependedName, "*");
+
+ if (!cascade) {
+ if (!uniqueTableNames.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 " +
+ SecurityUtils.getUser());
+ }
+
+ Path databasePath = wh.getDnsPath(wh.getDatabasePath(db));
+
+ // drop any functions before dropping db
+ for (String funcName : allFunctions) {
+ drop_function(catPrependedName, funcName);
+ }
+
+ final int tableBatchSize = MetastoreConf.getIntVar(conf,
+ ConfVars.BATCH_RETRIEVE_MAX);
+
+ // First pass will drop the materialized views
+ List<String> materializedViewNames = get_tables_by_type(name, ".*", TableType.MATERIALIZED_VIEW.toString());
+ int startIndex = 0;
+ // retrieve the tables from the metastore in batches to alleviate memory constraints
+ while (startIndex < materializedViewNames.size()) {
+ int endIndex = Math.min(startIndex + tableBatchSize, materializedViewNames.size());
+
+ List<Table> materializedViews;
+ try {
+ materializedViews = ms.getTableObjectsByName(catName, name, materializedViewNames.subList(startIndex, endIndex));
+ } catch (UnknownDBException e) {
+ throw new MetaException(e.getMessage());
+ }
+
+ if (materializedViews != null && !materializedViews.isEmpty()) {
+ for (Table materializedView : materializedViews) {
+ if (materializedView.getSd().getLocation() != null) {
+ Path materializedViewPath = wh.getDnsPath(new Path(materializedView.getSd().getLocation()));
+ if (!wh.isWritable(materializedViewPath.getParent())) {
+ throw new MetaException("Database metadata not deleted since table: " +
+ materializedView.getTableName() + " has a parent location " + materializedViewPath.getParent() +
+ " which is not writable by " + SecurityUtils.getUser());
+ }
+
+ if (!FileUtils.isSubdirectory(databasePath.toString(),
+ materializedViewPath.toString())) {
+ tablePaths.add(materializedViewPath);
+ }
+ }
+ // Drop the materialized view but not its data
+ drop_table(name, materializedView.getTableName(), false);
+ // Remove from all tables
+ uniqueTableNames.remove(materializedView.getTableName());
+ }
+ }
+ startIndex = endIndex;
+ }
+
+ // drop tables before dropping db
+ List<String> allTables = new ArrayList<>(uniqueTableNames);
+ startIndex = 0;
+ // retrieve the tables from the metastore in batches to alleviate memory constraints
+ while (startIndex < allTables.size()) {
+ int endIndex = Math.min(startIndex + tableBatchSize, allTables.size());
+
+ List<Table> tables;
+ try {
+ tables = ms.getTableObjectsByName(catName, 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;
+ boolean tableDataShouldBeDeleted = checkTableDataShouldBeDeleted(table, deleteData);
+ if (table.getSd().getLocation() != null && tableDataShouldBeDeleted) {
+ 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 " + SecurityUtils.getUser());
+ }
+
+ if (!FileUtils.isSubdirectory(databasePath.toString(), tablePath.toString())) {
+ 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, catName, name, table.getTableName(),
+ tablePath, tableDataShouldBeDeleted);
+
+ // Drop the table but not its data
+ drop_table(MetaStoreUtils.prependCatalogToDbName(table.getCatName(), table.getDbName(), conf),
+ table.getTableName(), false);
+ }
+
+ startIndex = endIndex;
+ }
+ }
+
+ if (ms.dropDatabase(catName, name)) {
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenerResponses =
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.DROP_DATABASE,
+ new DropDatabaseEvent(db, true, this));
+ }
+
+ success = ms.commitTransaction();
+ }
+ } finally {
+ if (!success) {
+ ms.rollbackTransaction();
+ } else if (deleteData) {
+ // Delete the data in the partitions which have other locations
+ deletePartitionData(partitionPaths, false, db);
+ // Delete the data in the tables which have other locations
+ for (Path tablePath : tablePaths) {
+ deleteTableData(tablePath, false, db);
+ }
+ // Delete the data in the database
+ try {
+ wh.deleteDir(new Path(db.getLocationUri()), true, db);
+ } 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
+ }
+
+ if (!listeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners,
+ EventType.DROP_DATABASE,
+ new DropDatabaseEvent(db, success, this),
+ null,
+ transactionalListenerResponses, ms);
+ }
+ }
+ }
+
+ @Override
+ public void drop_database(final String dbName, final boolean deleteData, final boolean cascade)
+ throws NoSuchObjectException, InvalidOperationException, MetaException {
+ startFunction("drop_database", ": " + dbName);
+ String[] parsedDbName = parseDbName(dbName, conf);
+ if (DEFAULT_CATALOG_NAME.equalsIgnoreCase(parsedDbName[CAT_NAME]) &&
+ DEFAULT_DATABASE_NAME.equalsIgnoreCase(parsedDbName[DB_NAME])) {
+ endFunction("drop_database", false, null);
+ throw new MetaException("Can not drop " + DEFAULT_DATABASE_NAME + " database in catalog "
+ + DEFAULT_CATALOG_NAME);
+ }
+
+ boolean success = false;
+ Exception ex = null;
+ try {
+ drop_database_core(getMS(), parsedDbName[CAT_NAME], parsedDbName[DB_NAME], deleteData,
+ cascade);
+ success = true;
+ } catch (NoSuchObjectException|InvalidOperationException|MetaException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ throw newMetaException(e);
+ } finally {
+ endFunction("drop_database", success, ex);
+ }
+ }
+
+
+ @Override
+ public List<String> get_databases(final String pattern) throws MetaException {
+ startFunction("get_databases", ": " + pattern);
+
+ String[] parsedDbNamed = parseDbName(pattern, conf);
+ List<String> ret = null;
+ Exception ex = null;
+ try {
+ if (parsedDbNamed[DB_NAME] == null) {
+ ret = getMS().getAllDatabases(parsedDbNamed[CAT_NAME]);
+ } else {
+ ret = getMS().getDatabases(parsedDbNamed[CAT_NAME], parsedDbNamed[DB_NAME]);
+ }
+ } catch (MetaException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ throw newMetaException(e);
+ } finally {
+ endFunction("get_databases", ret != null, ex);
+ }
+ return ret;
+ }
+
+ @Override
+ public List<String> get_all_databases() throws MetaException {
+ return get_databases(MetaStoreUtils.prependCatalogToDbName(null, null, conf));
+ }
+
+ private void create_type_core(final RawStore ms, final Type type)
+ throws AlreadyExistsException, MetaException, InvalidObjectException {
+ if (!MetaStoreUtils.validateName(type.getName(), null)) {
+ 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 (MetaException | InvalidObjectException | AlreadyExistsException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ 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;
+ throwMetaException(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);
+ }
+
+ @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;
+ throwMetaException(e);
+ } finally {
+ endFunction("drop_type", success, ex);
+ }
+ return success;
+ }
+
+ @Override
+ public Map<String, Type> 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 {
+ create_table_core(ms, tbl, envContext, null, null, null, null, null, null);
+ }
+
+ private void create_table_core(final RawStore ms, final Table tbl,
+ final EnvironmentContext envContext, List<SQLPrimaryKey> primaryKeys,
+ List<SQLForeignKey> foreignKeys, List<SQLUniqueConstraint> uniqueConstraints,
+ List<SQLNotNullConstraint> notNullConstraints, List<SQLDefaultConstraint> defaultConstraints,
+ List<SQLCheckConstraint> checkConstraints)
+ throws AlreadyExistsException, MetaException,
+ InvalidObjectException, NoSuchObjectException {
+ // To preserve backward compatibility throw MetaException in case of null database
+ if (tbl.getDbName() == null) {
+ throw new MetaException("Null database name is not allowed");
+ }
+
+ if (!MetaStoreUtils.validateName(tbl.getTableName(), conf)) {
+ 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);
+ }
+ }
+
+ Map<String, String> transactionalListenerResponses = Collections.emptyMap();
+ Path tblPath = null;
+ boolean success = false, madeDir = false;
+ Database db = null;
+ try {
+ if (!tbl.isSetCatName()) {
+ tbl.setCatName(getDefaultCatalog(conf));
+ }
+ firePreEvent(new PreCreateTableEvent(tbl, this));
+
+ ms.openTransaction();
+
+ db = ms.getDatabase(tbl.getCatName(), tbl.getDbName());
+
+ // get_table checks whether database exists, it should be moved here
+ if (is_table_exists(ms, tbl.getCatName(), tbl.getDbName(), tbl.getTableName())) {
+ throw new AlreadyExistsException("Table " + getCatalogQualifiedTableName(tbl)
+ + " already exists");
+ }
+
+ if (!TableType.VIRTUAL_VIEW.toString().equals(tbl.getTableType())) {
+ if (tbl.getSd().getLocation() == null
+ || tbl.getSd().getLocation().isEmpty()) {
+ tblPath = wh.getDefaultTablePath(db, tbl);
+ } 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)) {
+ throw new MetaException(tblPath
+ + " is not a directory or unable to create one");
+ }
+ madeDir = true;
+ }
+ }
+ if (MetastoreConf.getBoolVar(conf, ConfVars.STATS_AUTO_GATHER) &&
+ !MetaStoreUtils.isView(tbl)) {
+ MetaStoreUtils.updateTableStatsSlow(db, tbl, wh, madeDir, false, envContext);
+ }
+
+ // 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));
+ }
+
+ if (primaryKeys == null && foreignKeys == null
+ && uniqueConstraints == null && notNullConstraints == null && defaultConstraints == null
+ && checkConstraints == null) {
+ ms.createTable(tbl);
+ } else {
+ // Check that constraints have catalog name properly set first
+ if (primaryKeys != null && !primaryKeys.isEmpty() && !primaryKeys.get(0).isSetCatName()) {
+ for (SQLPrimaryKey pkcol : primaryKeys) pkcol.setCatName(tbl.getCatName());
+ }
+ if (foreignKeys != null && !foreignKeys.isEmpty() && !foreignKeys.get(0).isSetCatName()) {
+ for (SQLForeignKey fkcol : foreignKeys) fkcol.setCatName(tbl.getCatName());
+ }
+ if (uniqueConstraints != null && !uniqueConstraints.isEmpty() && !uniqueConstraints.get(0).isSetCatName()) {
+ for (SQLUniqueConstraint uccol : uniqueConstraints) uccol.setCatName(tbl.getCatName());
+ }
+ if (notNullConstraints != null && !notNullConstraints.isEmpty() && !notNullConstraints.get(0).isSetCatName()) {
+ for (SQLNotNullConstraint nncol : notNullConstraints) nncol.setCatName(tbl.getCatName());
+ }
+ if (defaultConstraints != null && !defaultConstraints.isEmpty() && !defaultConstraints.get(0).isSetCatName()) {
+ for (SQLDefaultConstraint dccol : defaultConstraints) dccol.setCatName(tbl.getCatName());
+ }
+ if (checkConstraints != null && !checkConstraints.isEmpty() && !checkConstraints.get(0).isSetCatName()) {
+ for (SQLCheckConstraint cccol : checkConstraints) cccol.setCatName(tbl.getCatName());
+ }
+ // Set constraint name if null before sending to listener
+ List<String> constraintNames = ms.createTableWithConstraints(tbl, primaryKeys, foreignKeys,
+ uniqueConstraints, notNullConstraints, defaultConstraints, checkConstraints);
+ int primaryKeySize = 0;
+ if (primaryKeys != null) {
+ primaryKeySize = primaryKeys.size();
+ for (int i = 0; i < primaryKeys.size(); i++) {
+ if (primaryKeys.get(i).getPk_name() == null) {
+ primaryKeys.get(i).setPk_name(constraintNames.get(i));
+ }
+ if (!primaryKeys.get(i).isSetCatName()) primaryKeys.get(i).setCatName(tbl.getCatName());
+ }
+ }
+ int foreignKeySize = 0;
+ if (foreignKeys != null) {
+ foreignKeySize = foreignKeys.size();
+ for (int i = 0; i < foreignKeySize; i++) {
+ if (foreignKeys.get(i).getFk_name() == null) {
+ foreignKeys.get(i).setFk_name(constraintNames.get(primaryKeySize + i));
+ }
+ if (!foreignKeys.get(i).isSetCatName()) foreignKeys.get(i).setCatName(tbl.getCatName());
+ }
+ }
+ int uniqueConstraintSize = 0;
+ if (uniqueConstraints != null) {
+ uniqueConstraintSize = uniqueConstraints.size();
+ for (int i = 0; i < uniqueConstraintSize; i++) {
+ if (uniqueConstraints.get(i).getUk_name() == null) {
+ uniqueConstraints.get(i).setUk_name(constraintNames.get(primaryKeySize + foreignKeySize + i));
+ }
+ if (!uniqueConstraints.get(i).isSetCatName()) uniqueConstraints.get(i).setCatName(tbl.getCatName());
+ }
+ }
+ int notNullConstraintSize = 0;
+ if (notNullConstraints != null) {
+ for (int i = 0; i < notNullConstraints.size(); i++) {
+ if (notNullConstraints.get(i).getNn_name() == null) {
+ notNullConstraints.get(i).setNn_name(constraintNames.get(primaryKeySize + foreignKeySize + uniqueConstraintSize + i));
+ }
+ if (!notNullConstraints.get(i).isSetCatName()) notNullConstraints.get(i).setCatName(tbl.getCatName());
+ }
+ }
+ int defaultConstraintSize = 0;
+ if (defaultConstraints!= null) {
+ for (int i = 0; i < defaultConstraints.size(); i++) {
+ if (defaultConstraints.get(i).getDc_name() == null) {
+ defaultConstraints.get(i).setDc_name(constraintNames.get(primaryKeySize + foreignKeySize
+ + uniqueConstraintSize + notNullConstraintSize + i));
+ }
+ if (!defaultConstraints.get(i).isSetCatName()) defaultConstraints.get(i).setCatName(tbl.getCatName());
+ }
+ }
+ if (checkConstraints!= null) {
+ for (int i = 0; i < checkConstraints.size(); i++) {
+ if (checkConstraints.get(i).getDc_name() == null) {
+ checkConstraints.get(i).setDc_name(constraintNames.get(primaryKeySize + foreignKeySize
+ + uniqueConstraintSize
+ + defaultConstraintSize
+ + notNullConstraintSize + i));
+ }
+ if (!checkConstraints.get(i).isSetCatName()) checkConstraints.get(i).setCatName(tbl.getCatName());
+ }
+ }
+ }
+
+ if (!transactionalListeners.isEmpty()) {
+ transactionalListenerResponses = MetaStoreListenerNotifier.notifyEvent(transactionalListeners,
+ EventType.CREATE_TABLE, new CreateTableEvent(tbl, true, this), envContext);
+ if (primaryKeys != null && !primaryKeys.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners, EventType.ADD_PRIMARYKEY,
+ new AddPrimaryKeyEvent(primaryKeys, true, this), envContext);
+ }
+ if (foreignKeys != null && !foreignKeys.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners, EventType.ADD_FOREIGNKEY,
+ new AddForeignKeyEvent(foreignKeys, true, this), envContext);
+ }
+ if (uniqueConstraints != null && !uniqueConstraints.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners, EventType.ADD_UNIQUECONSTRAINT,
+ new AddUniqueConstraintEvent(uniqueConstraints, true, this), envContext);
+ }
+ if (notNullConstraints != null && !notNullConstraints.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(transactionalListeners, EventType.ADD_NOTNULLCONSTRAINT,
+ new AddNotNullConstraintEvent(notNullConstraints, true, this), envContext);
+ }
+ }
+
+ success = ms.commitTransaction();
+ } finally {
+ if (!success) {
+ ms.rollbackTransaction();
+ if (madeDir) {
+ wh.deleteDir(tblPath, true, db);
+ }
+ }
+
+ if (!listeners.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners, EventType.CREATE_TABLE,
+ new CreateTableEvent(tbl, success, this), envContext, transactionalListenerResponses, ms);
+ if (primaryKeys != null && !primaryKeys.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners, EventType.ADD_PRIMARYKEY,
+ new AddPrimaryKeyEvent(primaryKeys, success, this), envContext);
+ }
+ if (foreignKeys != null && !foreignKeys.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners, EventType.ADD_FOREIGNKEY,
+ new AddForeignKeyEvent(foreignKeys, success, this), envContext);
+ }
+ if (uniqueConstraints != null && !uniqueConstraints.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners, EventType.ADD_UNIQUECONSTRAINT,
+ new AddUniqueConstraintEvent(uniqueConstraints, success, this), envContext);
+ }
+ if (notNullConstraints != null && !notNullConstraints.isEmpty()) {
+ MetaStoreListenerNotifier.notifyEvent(listeners, EventType.ADD_NOTNULLCONSTRAINT,
+ new AddNotNullConstraintEvent(notNullConstraints, success, this), envContext);
+ }
+ }
+ }
+ }
+
+ @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) {
+ LOG.warn("create_table_with_environment_context got ", e);
+ ex = e;
+ throw new InvalidObjectException(e.getMessage());
+ } catch (MetaException | InvalidObjectException | AlreadyExistsException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ throw newMetaException(e);
+ } finally {
+ endFunction("create_table", success, ex, tbl.getTableName());
+ }
+ }
+
+ @Override
+ public void create_table_with_constraints(final Table tbl,
+ final List<SQLPrimaryKey> primaryKeys, final List<SQLForeignKey> foreignKeys,
+ List<SQLUniqueConstraint> uniqueConstraints,
+ List<SQLNotNullConstraint> notNullConstraints,
+ List<SQLDefaultConstraint> defaultConstraints,
+ List<SQLCheckConstraint> checkConstraints)
+ throws AlreadyExistsException, MetaException, InvalidObjectException {
+ startFunction("create_table", ": " + tbl.toString());
+ boolean success = false;
+ Exception ex = null;
+ try {
+ create_table_core(getMS(), tbl, null, primaryKeys, foreignKeys,
+ uniqueConstraints, notNullConstraints, defaultConstraints, checkConstraints);
+ success = true;
+ } catch (NoSuchObjectException e) {
+ ex = e;
+ throw new InvalidObjectException(e.getMessage());
+ } catch (MetaException | InvalidObjectException | AlreadyExistsException e) {
+ ex = e;
+ throw e;
+ } catch (Exception e) {
+ ex = e;
+ throw newMetaException(e);
+ } finally {
+ endFunction("create_table", success, ex, tbl.getTableName());
+ }
+ }
+
+ @Override
+ public void drop_constraint(DropConstraintRequest req)
+ throws MetaException, InvalidObjectException {
+ String catName = req.isSetCatName() ? req.getCatName() : getDefaultCatalog(conf);
+ String dbName = req.getDbname();
+ String tableName = req.getTablename();
+ String constraintName = req.getConstraintname();
+ startFunction("drop_constraint", ": " + constraintName);
+ boolean success = false;
+ Exception ex = null;
+ RawStore ms = getMS();
+ try {
+ ms.openTransaction();
+ ms.dropConstraint(catName, dbName, tableName, constraintName);
+ if (transactionalListeners.size() > 0) {
+ DropConstraintEvent dropConstraintEvent = new DropConstraintEvent(catName, dbName,
+ tableName, constraintName, true, this);
+ for (MetaStoreEventListener transactionalListener : transactionalListeners) {
+ transactionalListener.onDropConstraint(dropConstraintEvent);
+ }
+ }
+ success = ms.commitTransaction();
+ } catch (NoSuchObjectException e) {
+ ex = e;
+ throw new InvalidObjectException(e.getMessage());
+ } catch (MetaException e)
<TRUNCATED>