/**
* 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.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_NAME;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.isIndexTable;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.InetAddress;
import java.net.URI;
import java.net.UnknownHostException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.security.PrivilegedExceptionAction;
import javax.security.auth.login.LoginException;
import org.apache.hadoop.hive.common.ObjectPair;
import org.apache.hadoop.hive.common.ValidTxnList;
import org.apache.hadoop.hive.common.auth.HiveAuthUtils;
import org.apache.hadoop.hive.common.classification.InterfaceAudience;
import org.apache.hadoop.hive.common.classification.InterfaceAudience.Public;
import org.apache.hadoop.hive.common.classification.InterfaceStability.Unstable;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.conf.HiveConfUtil;
import org.apache.hadoop.hive.metastore.api.*;
import org.apache.hadoop.hive.metastore.partition.spec.PartitionSpecProxy;
import org.apache.hadoop.hive.metastore.txn.TxnUtils;
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.security.UserGroupInformation;
import org.apache.hadoop.util.StringUtils;
import org.apache.thrift.TApplicationException;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TCompactProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Lists;
/**
* Hive Metastore Client.
* The public implementation of IMetaStoreClient. Methods not inherited from IMetaStoreClient
* are not public and can change. Hence this is marked as unstable.
* For users who require retry mechanism when the connection between metastore and client is
* broken, RetryingMetaStoreClient class should be used.
*/
@Public
@Unstable
public class HiveMetaStoreClient implements IMetaStoreClient {
/**
* Capabilities of the current client. If this client talks to a MetaStore server in a manner
* implying the usage of some expanded features that require client-side support that this client
* doesn't have (e.g. a getting a table of a new type), it will get back failures when the
* capability checking is enabled (the default).
*/
public final static ClientCapabilities VERSION = null; // No capabilities.
public final static ClientCapabilities TEST_VERSION = new ClientCapabilities(
Lists.newArrayList(ClientCapability.TEST_CAPABILITY)); // Test capability for tests.
ThriftHiveMetastore.Iface client = null;
private TTransport transport = null;
private boolean isConnected = false;
private URI metastoreUris[];
private final HiveMetaHookLoader hookLoader;
protected final HiveConf conf; // Keep a copy of HiveConf so if Session conf changes, we may need to get a new HMS client.
protected boolean fastpath = false;
private String tokenStrForm;
private final boolean localMetaStore;
private final MetaStoreFilterHook filterHook;
private final int fileMetadataBatchSize;
private Map<String, String> currentMetaVars;
private static final AtomicInteger connCount = new AtomicInteger(0);
// for thrift connects
private int retries = 5;
private long retryDelaySeconds = 0;
private final ClientCapabilities version;
static final protected Logger LOG = LoggerFactory.getLogger("hive.metastore");
public HiveMetaStoreClient(HiveConf conf) throws MetaException {
this(conf, null, true);
}
public HiveMetaStoreClient(HiveConf conf, HiveMetaHookLoader hookLoader, Boolean allowEmbedded)
throws MetaException {
this.hookLoader = hookLoader;
if (conf == null) {
conf = new HiveConf(HiveMetaStoreClient.class);
this.conf = conf;
} else {
this.conf = new HiveConf(conf);
}
version = HiveConf.getBoolVar(conf, ConfVars.HIVE_IN_TEST) ? TEST_VERSION : VERSION;
filterHook = loadFilterHooks();
fileMetadataBatchSize = HiveConf.getIntVar(
conf, HiveConf.ConfVars.METASTORE_BATCH_RETRIEVE_OBJECTS_MAX);
String msUri = conf.getVar(ConfVars.METASTOREURIS);
localMetaStore = HiveConfUtil.isEmbeddedMetaStore(msUri);
if (localMetaStore) {
if (!allowEmbedded) {
throw new MetaException("Embedded metastore is not allowed here. Please configure "
+ ConfVars.METASTOREURIS.varname + "; it is currently set to [" + msUri + "]");
}
// instantiate the metastore server handler directly instead of connecting
// through the network
if (conf.getBoolVar(ConfVars.METASTORE_FASTPATH)) {
client = new HiveMetaStore.HMSHandler("hive client", this.conf, true);
fastpath = true;
} else {
client = HiveMetaStore.newRetryingHMSHandler("hive client", this.conf, true);
}
isConnected = true;
snapshotActiveConf();
return;
} else {
if (conf.getBoolVar(ConfVars.METASTORE_FASTPATH)) {
throw new RuntimeException("You can't set hive.metastore.fastpath to true when you're " +
"talking to the thrift metastore service. You must run the metastore locally.");
}
}
// get the number retries
retries = HiveConf.getIntVar(conf, HiveConf.ConfVars.METASTORETHRIFTCONNECTIONRETRIES);
retryDelaySeconds = conf.getTimeVar(
ConfVars.METASTORE_CLIENT_CONNECT_RETRY_DELAY, TimeUnit.SECONDS);
// user wants file store based configuration
if (conf.getVar(HiveConf.ConfVars.METASTOREURIS) != null) {
String metastoreUrisString[] = conf.getVar(
HiveConf.ConfVars.METASTOREURIS).split(",");
metastoreUris = new URI[metastoreUrisString.length];
try {
int i = 0;
for (String s : metastoreUrisString) {
URI tmpUri = new URI(s);
if (tmpUri.getScheme() == null) {
throw new IllegalArgumentException("URI: " + s
+ " does not have a scheme");
}
metastoreUris[i++] = tmpUri;
}
// make metastore URIS random
List uriList = Arrays.asList(metastoreUris);
Collections.shuffle(uriList);
metastoreUris = (URI[]) uriList.toArray();
} catch (IllegalArgumentException e) {
throw (e);
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
} else {
LOG.error("NOT getting uris from conf");
throw new MetaException("MetaStoreURIs not found in conf file");
}
//If HADOOP_PROXY_USER is set in env or property,
//then need to create metastore client that proxies as that user.
String HADOOP_PROXY_USER = "HADOOP_PROXY_USER";
String proxyUser = System.getenv(HADOOP_PROXY_USER);
if (proxyUser == null) {
proxyUser = System.getProperty(HADOOP_PROXY_USER);
}
//if HADOOP_PROXY_USER is set, create DelegationToken using real user
if(proxyUser != null) {
LOG.info(HADOOP_PROXY_USER + " is set. Using delegation "
+ "token for HiveMetaStore connection.");
try {
UserGroupInformation.getLoginUser().getRealUser().doAs(
new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws Exception {
open();
return null;
}
});
String delegationTokenPropString = "DelegationTokenForHiveMetaStoreServer";
String delegationTokenStr = getDelegationToken(proxyUser, proxyUser);
Utils.setTokenStr(UserGroupInformation.getCurrentUser(), delegationTokenStr,
delegationTokenPropString);
this.conf.setVar(ConfVars.METASTORE_TOKEN_SIGNATURE, delegationTokenPropString);
close();
} catch (Exception e) {
LOG.error("Error while setting delegation token for " + proxyUser, e);
if(e instanceof MetaException) {
throw (MetaException)e;
} else {
throw new MetaException(e.getMessage());
}
}
}
// finally open the store
open();
}
private MetaStoreFilterHook loadFilterHooks() throws IllegalStateException {
Class<? extends MetaStoreFilterHook> authProviderClass = conf.
getClass(HiveConf.ConfVars.METASTORE_FILTER_HOOK.varname,
DefaultMetaStoreFilterHookImpl.class,
MetaStoreFilterHook.class);
String msg = "Unable to create instance of " + authProviderClass.getName() + ": ";
try {
Constructor<? extends MetaStoreFilterHook> constructor =
authProviderClass.getConstructor(HiveConf.class);
return constructor.newInstance(conf);
} catch (NoSuchMethodException e) {
throw new IllegalStateException(msg + e.getMessage(), e);
} catch (SecurityException e) {
throw new IllegalStateException(msg + e.getMessage(), e);
} catch (InstantiationException e) {
throw new IllegalStateException(msg + e.getMessage(), e);
} catch (IllegalAccessException e) {
throw new IllegalStateException(msg + e.getMessage(), e);
} catch (IllegalArgumentException e) {
throw new IllegalStateException(msg + e.getMessage(), e);
} catch (InvocationTargetException e) {
throw new IllegalStateException(msg + e.getMessage(), e);
}
}
/**
* Swaps the first element of the metastoreUris array with a random element from the
* remainder of the array.
*/
private void promoteRandomMetaStoreURI() {
if (metastoreUris.length <= 1) {
return;
}
Random rng = new Random();
int index = rng.nextInt(metastoreUris.length - 1) + 1;
URI tmp = metastoreUris[0];
metastoreUris[0] = metastoreUris[index];
metastoreUris[index] = tmp;
}
@VisibleForTesting
public TTransport getTTransport() {
return transport;
}
@Override
public boolean isLocalMetaStore() {
return localMetaStore;
}
@Override
public boolean isCompatibleWith(HiveConf conf) {
// Make a copy of currentMetaVars, there is a race condition that
// currentMetaVars might be changed during the execution of the method
Map<String, String> currentMetaVarsCopy = currentMetaVars;
if (currentMetaVarsCopy == null) {
return false; // recreate
}
boolean compatible = true;
for (ConfVars oneVar : HiveConf.metaVars) {
// Since metaVars are all of different types, use string for comparison
String oldVar = currentMetaVarsCopy.get(oneVar.varname);
String newVar = conf.get(oneVar.varname, "");
if (oldVar == null ||
(oneVar.isCaseSensitive() ? !oldVar.equals(newVar) : !oldVar.equalsIgnoreCase(newVar))) {
LOG.info("Mestastore configuration " + oneVar.varname +
" changed from " + oldVar + " to " + newVar);
compatible = false;
}
}
return compatible;
}
@Override
public void setHiveAddedJars(String addedJars) {
HiveConf.setVar(conf, ConfVars.HIVEADDEDJARS, addedJars);
}
@Override
public void reconnect() throws MetaException {
if (localMetaStore) {
// For direct DB connections we don't yet support reestablishing connections.
throw new MetaException("For direct MetaStore DB connections, we don't support retries" +
" at the client level.");
} else {
close();
// Swap the first element of the metastoreUris[] with a random element from the rest
// of the array. Rationale being that this method will generally be called when the default
// connection has died and the default connection is likely to be the first array element.
promoteRandomMetaStoreURI();
open();
}
}
/**
* @param dbname
* @param tbl_name
* @param new_tbl
* @throws InvalidOperationException
* @throws MetaException
* @throws TException
* @see
* org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#alter_table(
* java.lang.String, java.lang.String,
* org.apache.hadoop.hive.metastore.api.Table)
*/
@Override
public void alter_table(String dbname, String tbl_name, Table new_tbl)
throws InvalidOperationException, MetaException, TException {
alter_table_with_environmentContext(dbname, tbl_name, new_tbl, null);
}
@Override
public void alter_table_with_environmentContext(String dbname, String tbl_name, Table new_tbl,
EnvironmentContext envContext) throws InvalidOperationException, MetaException, TException {
client.alter_table_with_environment_context(dbname, tbl_name, new_tbl, envContext);
}
/**
* @param dbname
* @param name
* @param part_vals
* @param newPart
* @throws InvalidOperationException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#rename_partition(
* java.lang.String, java.lang.String, java.util.List, org.apache.hadoop.hive.metastore.api.Partition)
*/
@Override
public void renamePartition(final String dbname, final String name, final List<String> part_vals, final Partition newPart)
throws InvalidOperationException, MetaException, TException {
client.rename_partition(dbname, name, part_vals, newPart);
}
private void open() throws MetaException {
isConnected = false;
TTransportException tte = null;
boolean useSSL = conf.getBoolVar(ConfVars.HIVE_METASTORE_USE_SSL);
boolean useSasl = conf.getBoolVar(ConfVars.METASTORE_USE_THRIFT_SASL);
boolean useFramedTransport = conf.getBoolVar(ConfVars.METASTORE_USE_THRIFT_FRAMED_TRANSPORT);
boolean useCompactProtocol = conf.getBoolVar(ConfVars.METASTORE_USE_THRIFT_COMPACT_PROTOCOL);
int clientSocketTimeout = (int) conf.getTimeVar(
ConfVars.METASTORE_CLIENT_SOCKET_TIMEOUT, TimeUnit.MILLISECONDS);
for (int attempt = 0; !isConnected && attempt < retries; ++attempt) {
for (URI store : metastoreUris) {
LOG.info("Trying to connect to metastore with URI " + store);
try {
if (useSSL) {
try {
String trustStorePath = conf.getVar(ConfVars.HIVE_METASTORE_SSL_TRUSTSTORE_PATH).trim();
if (trustStorePath.isEmpty()) {
throw new IllegalArgumentException(ConfVars.HIVE_METASTORE_SSL_TRUSTSTORE_PATH.varname
+ " Not configured for SSL connection");
}
String trustStorePassword = ShimLoader.getHadoopShims().getPassword(conf,
HiveConf.ConfVars.HIVE_METASTORE_SSL_TRUSTSTORE_PASSWORD.varname);
// Create an SSL socket and connect
transport = HiveAuthUtils.getSSLSocket(store.getHost(), store.getPort(), clientSocketTimeout, trustStorePath, trustStorePassword );
LOG.info("Opened an SSL connection to metastore, current connections: " + connCount.incrementAndGet());
} catch(IOException e) {
throw new IllegalArgumentException(e);
} catch(TTransportException e) {
tte = e;
throw new MetaException(e.toString());
}
} else {
transport = new TSocket(store.getHost(), store.getPort(), clientSocketTimeout);
}
if (useSasl) {
// Wrap thrift connection with SASL for secure connection.
try {
HadoopThriftAuthBridge.Client authBridge =
ShimLoader.getHadoopThriftAuthBridge().createClient();
// check if we should use delegation tokens to authenticate
// the call below gets hold of the tokens if they are set up by hadoop
// this should happen on the map/reduce tasks if the client added the
// tokens into hadoop's credential store in the front end during job
// submission.
String tokenSig = conf.getVar(ConfVars.METASTORE_TOKEN_SIGNATURE);
// tokenSig could be null
tokenStrForm = Utils.getTokenStrForm(tokenSig);
if(tokenStrForm != null) {
// authenticate using delegation tokens via the "DIGEST" mechanism
transport = authBridge.createClientTransport(null, store.getHost(),
"DIGEST", tokenStrForm, transport,
MetaStoreUtils.getMetaStoreSaslProperties(conf, useSSL));
} else {
String principalConfig =
conf.getVar(HiveConf.ConfVars.METASTORE_KERBEROS_PRINCIPAL);
transport = authBridge.createClientTransport(
principalConfig, store.getHost(), "KERBEROS", null,
transport, MetaStoreUtils.getMetaStoreSaslProperties(conf, useSSL));
}
} catch (IOException ioe) {
LOG.error("Couldn't create client transport", ioe);
throw new MetaException(ioe.toString());
}
} else {
if (useFramedTransport) {
transport = new TFramedTransport(transport);
}
}
final TProtocol protocol;
if (useCompactProtocol) {
protocol = new TCompactProtocol(transport);
} else {
protocol = new TBinaryProtocol(transport);
}
client = new ThriftHiveMetastore.Client(protocol);
try {
if (!transport.isOpen()) {
transport.open();
LOG.info("Opened a connection to metastore, current connections: " + connCount.incrementAndGet());
}
isConnected = true;
} catch (TTransportException e) {
tte = e;
if (LOG.isDebugEnabled()) {
LOG.warn("Failed to connect to the MetaStore Server...", e);
} else {
// Don't print full exception trace if DEBUG is not on.
LOG.warn("Failed to connect to the MetaStore Server...");
}
}
if (isConnected && !useSasl && conf.getBoolVar(ConfVars.METASTORE_EXECUTE_SET_UGI)){
// Call set_ugi, only in unsecure mode.
try {
UserGroupInformation ugi = Utils.getUGI();
client.set_ugi(ugi.getUserName(), Arrays.asList(ugi.getGroupNames()));
} catch (LoginException e) {
LOG.warn("Failed to do login. set_ugi() is not successful, " +
"Continuing without it.", e);
} catch (IOException e) {
LOG.warn("Failed to find ugi of client set_ugi() is not successful, " +
"Continuing without it.", e);
} catch (TException e) {
LOG.warn("set_ugi() not successful, Likely cause: new client talking to old server. "
+ "Continuing without it.", e);
}
}
} catch (MetaException e) {
LOG.error("Unable to connect to metastore with URI " + store
+ " in attempt " + attempt, e);
}
if (isConnected) {
break;
}
}
// Wait before launching the next round of connection retries.
if (!isConnected && retryDelaySeconds > 0) {
try {
LOG.info("Waiting " + retryDelaySeconds + " seconds before next connection attempt.");
Thread.sleep(retryDelaySeconds * 1000);
} catch (InterruptedException ignore) {}
}
}
if (!isConnected) {
throw new MetaException("Could not connect to meta store using any of the URIs provided." +
" Most recent failure: " + StringUtils.stringifyException(tte));
}
snapshotActiveConf();
LOG.info("Connected to metastore.");
}
private void snapshotActiveConf() {
currentMetaVars = new HashMap<String, String>(HiveConf.metaVars.length);
for (ConfVars oneVar : HiveConf.metaVars) {
currentMetaVars.put(oneVar.varname, conf.get(oneVar.varname, ""));
}
}
@Override
public String getTokenStrForm() throws IOException {
return tokenStrForm;
}
@Override
public void close() {
isConnected = false;
currentMetaVars = null;
try {
if (null != client) {
client.shutdown();
}
} catch (TException e) {
LOG.debug("Unable to shutdown metastore client. Will try closing transport directly.", e);
}
// Transport would have got closed via client.shutdown(), so we dont need this, but
// just in case, we make this call.
if ((transport != null) && transport.isOpen()) {
transport.close();
LOG.info("Closed a connection to metastore, current connections: " + connCount.decrementAndGet());
}
}
@Override
public void setMetaConf(String key, String value) throws TException {
client.setMetaConf(key, value);
}
@Override
public String getMetaConf(String key) throws TException {
return client.getMetaConf(key);
}
/**
* @param new_part
* @return the added partition
* @throws InvalidObjectException
* @throws AlreadyExistsException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#add_partition(org.apache.hadoop.hive.metastore.api.Partition)
*/
@Override
public Partition add_partition(Partition new_part)
throws InvalidObjectException, AlreadyExistsException, MetaException,
TException {
return add_partition(new_part, null);
}
public Partition add_partition(Partition new_part, EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException, MetaException,
TException {
Partition p = client.add_partition_with_environment_context(new_part, envContext);
return fastpath ? p : deepCopy(p);
}
/**
* @param new_parts
* @throws InvalidObjectException
* @throws AlreadyExistsException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#add_partitions(List)
*/
@Override
public int add_partitions(List<Partition> new_parts)
throws InvalidObjectException, AlreadyExistsException, MetaException,
TException {
return client.add_partitions(new_parts);
}
@Override
public List<Partition> add_partitions(
List<Partition> parts, boolean ifNotExists, boolean needResults)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
if (parts.isEmpty()) {
return needResults ? new ArrayList<Partition>() : null;
}
Partition part = parts.get(0);
AddPartitionsRequest req = new AddPartitionsRequest(
part.getDbName(), part.getTableName(), parts, ifNotExists);
req.setNeedResult(needResults);
AddPartitionsResult result = client.add_partitions_req(req);
return needResults ? filterHook.filterPartitions(result.getPartitions()) : null;
}
@Override
public int add_partitions_pspec(PartitionSpecProxy partitionSpec) throws TException {
return client.add_partitions_pspec(partitionSpec.toPartitionSpec());
}
/**
* @param table_name
* @param db_name
* @param part_vals
* @return the appended partition
* @throws InvalidObjectException
* @throws AlreadyExistsException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#append_partition(java.lang.String,
* java.lang.String, java.util.List)
*/
@Override
public Partition appendPartition(String db_name, String table_name,
List<String> part_vals) throws InvalidObjectException,
AlreadyExistsException, MetaException, TException {
return appendPartition(db_name, table_name, part_vals, null);
}
public Partition appendPartition(String db_name, String table_name, List<String> part_vals,
EnvironmentContext envContext) throws InvalidObjectException, AlreadyExistsException,
MetaException, TException {
Partition p = client.append_partition_with_environment_context(db_name, table_name,
part_vals, envContext);
return fastpath ? p : deepCopy(p);
}
@Override
public Partition appendPartition(String dbName, String tableName, String partName)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
return appendPartition(dbName, tableName, partName, null);
}
public Partition appendPartition(String dbName, String tableName, String partName,
EnvironmentContext envContext) throws InvalidObjectException, AlreadyExistsException,
MetaException, TException {
Partition p = client.append_partition_by_name_with_environment_context(dbName, tableName,
partName, envContext);
return fastpath ? p : deepCopy(p);
}
/**
* Exchange the partition between two tables
* @param partitionSpecs partitions specs of the parent partition to be exchanged
* @param destDb the db of the destination table
* @param destinationTableName the destination table name
@ @return new partition after exchanging
*/
@Override
public Partition exchange_partition(Map<String, String> partitionSpecs,
String sourceDb, String sourceTable, String destDb,
String destinationTableName) throws MetaException,
NoSuchObjectException, InvalidObjectException, TException {
return client.exchange_partition(partitionSpecs, sourceDb, sourceTable,
destDb, destinationTableName);
}
/**
* Exchange the partitions between two tables
* @param partitionSpecs partitions specs of the parent partition to be exchanged
* @param destDb the db of the destination table
* @param destinationTableName the destination table name
@ @return new partitions after exchanging
*/
@Override
public List<Partition> exchange_partitions(Map<String, String> partitionSpecs,
String sourceDb, String sourceTable, String destDb,
String destinationTableName) throws MetaException,
NoSuchObjectException, InvalidObjectException, TException {
return client.exchange_partitions(partitionSpecs, sourceDb, sourceTable,
destDb, destinationTableName);
}
@Override
public void validatePartitionNameCharacters(List<String> partVals)
throws TException, MetaException {
client.partition_name_has_valid_characters(partVals, true);
}
/**
* Create a new Database
* @param db
* @throws AlreadyExistsException
* @throws InvalidObjectException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#create_database(Database)
*/
@Override
public void createDatabase(Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException, TException {
client.create_database(db);
}
/**
* @param tbl
* @throws MetaException
* @throws NoSuchObjectException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#create_table(org.apache.hadoop.hive.metastore.api.Table)
*/
@Override
public void createTable(Table tbl) throws AlreadyExistsException,
InvalidObjectException, MetaException, NoSuchObjectException, TException {
createTable(tbl, null);
}
public void createTable(Table tbl, EnvironmentContext envContext) throws AlreadyExistsException,
InvalidObjectException, MetaException, NoSuchObjectException, TException {
HiveMetaHook hook = getHook(tbl);
if (hook != null) {
hook.preCreateTable(tbl);
}
boolean success = false;
try {
// Subclasses can override this step (for example, for temporary tables)
create_table_with_environment_context(tbl, envContext);
if (hook != null) {
hook.commitCreateTable(tbl);
}
success = true;
}
finally {
if (!success && (hook != null)) {
try {
hook.rollbackCreateTable(tbl);
} catch (Exception e){
LOG.error("Create rollback failed with", e);
}
}
}
}
@Override
public void createTableWithConstraints(Table tbl,
List<SQLPrimaryKey> primaryKeys, List<SQLForeignKey> foreignKeys)
throws AlreadyExistsException, InvalidObjectException,
MetaException, NoSuchObjectException, TException {
HiveMetaHook hook = getHook(tbl);
if (hook != null) {
hook.preCreateTable(tbl);
}
boolean success = false;
try {
// Subclasses can override this step (for example, for temporary tables)
client.create_table_with_constraints(tbl, primaryKeys, foreignKeys);
if (hook != null) {
hook.commitCreateTable(tbl);
}
success = true;
} finally {
if (!success && (hook != null)) {
hook.rollbackCreateTable(tbl);
}
}
}
@Override
public void dropConstraint(String dbName, String tableName, String constraintName) throws
NoSuchObjectException, MetaException, TException {
client.drop_constraint(new DropConstraintRequest(dbName, tableName, constraintName));
}
@Override
public void addPrimaryKey(List<SQLPrimaryKey> primaryKeyCols) throws
NoSuchObjectException, MetaException, TException {
client.add_primary_key(new AddPrimaryKeyRequest(primaryKeyCols));
}
@Override
public void addForeignKey(List<SQLForeignKey> foreignKeyCols) throws
NoSuchObjectException, MetaException, TException {
client.add_foreign_key(new AddForeignKeyRequest(foreignKeyCols));
}
/**
* @param type
* @return true or false
* @throws AlreadyExistsException
* @throws InvalidObjectException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#create_type(org.apache.hadoop.hive.metastore.api.Type)
*/
public boolean createType(Type type) throws AlreadyExistsException,
InvalidObjectException, MetaException, TException {
return client.create_type(type);
}
/**
* @param name
* @throws NoSuchObjectException
* @throws InvalidOperationException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#drop_database(java.lang.String, boolean, boolean)
*/
@Override
public void dropDatabase(String name)
throws NoSuchObjectException, InvalidOperationException, MetaException, TException {
dropDatabase(name, true, false, false);
}
@Override
public void dropDatabase(String name, boolean deleteData, boolean ignoreUnknownDb)
throws NoSuchObjectException, InvalidOperationException, MetaException, TException {
dropDatabase(name, deleteData, ignoreUnknownDb, false);
}
@Override
public void dropDatabase(String name, boolean deleteData, boolean ignoreUnknownDb, boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException, TException {
try {
getDatabase(name);
} catch (NoSuchObjectException e) {
if (!ignoreUnknownDb) {
throw e;
}
return;
}
if (cascade) {
List<String> tableList = getAllTables(name);
for (String table : tableList) {
try {
// Subclasses can override this step (for example, for temporary tables)
dropTable(name, table, deleteData, true);
} catch (UnsupportedOperationException e) {
// Ignore Index tables, those will be dropped with parent tables
}
}
}
client.drop_database(name, deleteData, cascade);
}
/**
* @param tbl_name
* @param db_name
* @param part_vals
* @return true or false
* @throws NoSuchObjectException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#drop_partition(java.lang.String,
* java.lang.String, java.util.List, boolean)
*/
public boolean dropPartition(String db_name, String tbl_name,
List<String> part_vals) throws NoSuchObjectException, MetaException,
TException {
return dropPartition(db_name, tbl_name, part_vals, true, null);
}
public boolean dropPartition(String db_name, String tbl_name, List<String> part_vals,
EnvironmentContext env_context) throws NoSuchObjectException, MetaException, TException {
return dropPartition(db_name, tbl_name, part_vals, true, env_context);
}
@Override
public boolean dropPartition(String dbName, String tableName, String partName, boolean deleteData)
throws NoSuchObjectException, MetaException, TException {
return dropPartition(dbName, tableName, partName, deleteData, null);
}
private static EnvironmentContext getEnvironmentContextWithIfPurgeSet() {
Map<String, String> warehouseOptions = new HashMap<String, String>();
warehouseOptions.put("ifPurge", "TRUE");
return new EnvironmentContext(warehouseOptions);
}
/*
public boolean dropPartition(String dbName, String tableName, String partName, boolean deleteData, boolean ifPurge)
throws NoSuchObjectException, MetaException, TException {
return dropPartition(dbName, tableName, partName, deleteData,
ifPurge? getEnvironmentContextWithIfPurgeSet() : null);
}
*/
public boolean dropPartition(String dbName, String tableName, String partName, boolean deleteData,
EnvironmentContext envContext) throws NoSuchObjectException, MetaException, TException {
return client.drop_partition_by_name_with_environment_context(dbName, tableName, partName,
deleteData, envContext);
}
/**
* @param db_name
* @param tbl_name
* @param part_vals
* @param deleteData
* delete the underlying data or just delete the table in metadata
* @return true or false
* @throws NoSuchObjectException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#drop_partition(java.lang.String,
* java.lang.String, java.util.List, boolean)
*/
@Override
public boolean dropPartition(String db_name, String tbl_name,
List<String> part_vals, boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
return dropPartition(db_name, tbl_name, part_vals, deleteData, null);
}
@Override
public boolean dropPartition(String db_name, String tbl_name,
List<String> part_vals, PartitionDropOptions options) throws TException {
return dropPartition(db_name, tbl_name, part_vals, options.deleteData,
options.purgeData? getEnvironmentContextWithIfPurgeSet() : null);
}
public boolean dropPartition(String db_name, String tbl_name, List<String> part_vals,
boolean deleteData, EnvironmentContext envContext) throws NoSuchObjectException,
MetaException, TException {
return client.drop_partition_with_environment_context(db_name, tbl_name, part_vals, deleteData,
envContext);
}
@Override
public List<Partition> dropPartitions(String dbName, String tblName,
List<ObjectPair<Integer, byte[]>> partExprs, PartitionDropOptions options)
throws TException {
RequestPartsSpec rps = new RequestPartsSpec();
List<DropPartitionsExpr> exprs = new ArrayList<DropPartitionsExpr>(partExprs.size());
for (ObjectPair<Integer, byte[]> partExpr : partExprs) {
DropPartitionsExpr dpe = new DropPartitionsExpr();
dpe.setExpr(partExpr.getSecond());
dpe.setPartArchiveLevel(partExpr.getFirst());
exprs.add(dpe);
}
rps.setExprs(exprs);
DropPartitionsRequest req = new DropPartitionsRequest(dbName, tblName, rps);
req.setDeleteData(options.deleteData);
req.setNeedResult(options.returnResults);
req.setIfExists(options.ifExists);
if (options.purgeData) {
LOG.info("Dropped partitions will be purged!");
req.setEnvironmentContext(getEnvironmentContextWithIfPurgeSet());
}
return client.drop_partitions_req(req).getPartitions();
}
@Override
public List<Partition> dropPartitions(String dbName, String tblName,
List<ObjectPair<Integer, byte[]>> partExprs, boolean deleteData,
boolean ifExists, boolean needResult) throws NoSuchObjectException, MetaException, TException {
return dropPartitions(dbName, tblName, partExprs,
PartitionDropOptions.instance()
.deleteData(deleteData)
.ifExists(ifExists)
.returnResults(needResult));
}
@Override
public List<Partition> dropPartitions(String dbName, String tblName,
List<ObjectPair<Integer, byte[]>> partExprs, boolean deleteData,
boolean ifExists) throws NoSuchObjectException, MetaException, TException {
// By default, we need the results from dropPartitions();
return dropPartitions(dbName, tblName, partExprs,
PartitionDropOptions.instance()
.deleteData(deleteData)
.ifExists(ifExists));
}
/**
* {@inheritDoc}
* @see #dropTable(String, String, boolean, boolean, EnvironmentContext)
*/
@Override
public void dropTable(String dbname, String name, boolean deleteData,
boolean ignoreUnknownTab) throws MetaException, TException,
NoSuchObjectException, UnsupportedOperationException {
dropTable(dbname, name, deleteData, ignoreUnknownTab, null);
}
/**
* Drop the table and choose whether to save the data in the trash.
* @param ifPurge completely purge the table (skipping trash) while removing
* data from warehouse
* @see #dropTable(String, String, boolean, boolean, EnvironmentContext)
*/
@Override
public void dropTable(String dbname, String name, boolean deleteData,
boolean ignoreUnknownTab, boolean ifPurge)
throws MetaException, TException, NoSuchObjectException, UnsupportedOperationException {
//build new environmentContext with ifPurge;
EnvironmentContext envContext = null;
if(ifPurge){
Map<String, String> warehouseOptions = null;
warehouseOptions = new HashMap<String, String>();
warehouseOptions.put("ifPurge", "TRUE");
envContext = new EnvironmentContext(warehouseOptions);
}
dropTable(dbname, name, deleteData, ignoreUnknownTab, envContext);
}
/** {@inheritDoc} */
@Override
@Deprecated
public void dropTable(String tableName, boolean deleteData)
throws MetaException, UnknownTableException, TException, NoSuchObjectException {
dropTable(DEFAULT_DATABASE_NAME, tableName, deleteData, false, null);
}
/**
* @see #dropTable(String, String, boolean, boolean, EnvironmentContext)
*/
@Override
public void dropTable(String dbname, String name)
throws NoSuchObjectException, MetaException, TException {
dropTable(dbname, name, true, true, null);
}
/**
* Drop the table and choose whether to: delete the underlying table data;
* throw if the table doesn't exist; save the data in the trash.
*
* @param dbname
* @param name
* @param deleteData
* delete the underlying data or just delete the table in metadata
* @param ignoreUnknownTab
* don't throw if the requested table doesn't exist
* @param envContext
* for communicating with thrift
* @throws MetaException
* could not drop table properly
* @throws NoSuchObjectException
* the table wasn't found
* @throws TException
* a thrift communication error occurred
* @throws UnsupportedOperationException
* dropping an index table is not allowed
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#drop_table(java.lang.String,
* java.lang.String, boolean)
*/
public void dropTable(String dbname, String name, boolean deleteData,
boolean ignoreUnknownTab, EnvironmentContext envContext) throws MetaException, TException,
NoSuchObjectException, UnsupportedOperationException {
Table tbl;
try {
tbl = getTable(dbname, name);
} catch (NoSuchObjectException e) {
if (!ignoreUnknownTab) {
throw e;
}
return;
}
if (isIndexTable(tbl)) {
throw new UnsupportedOperationException("Cannot drop index tables");
}
HiveMetaHook hook = getHook(tbl);
if (hook != null) {
hook.preDropTable(tbl);
}
boolean success = false;
try {
drop_table_with_environment_context(dbname, name, deleteData, envContext);
if (hook != null) {
hook.commitDropTable(tbl, deleteData || (envContext != null && "TRUE".equals(envContext.getProperties().get("ifPurge"))));
}
success=true;
} catch (NoSuchObjectException e) {
if (!ignoreUnknownTab) {
throw e;
}
} finally {
if (!success && (hook != null)) {
hook.rollbackDropTable(tbl);
}
}
}
/**
* Truncate the table/partitions in the DEFAULT database.
* @param dbName
* The db to which the table to be truncate belongs to
* @param tableName
* The table to truncate
* @param partNames
* List of partitions to truncate. NULL will truncate the whole table/all partitions
* @throws MetaException
* @throws TException
* Could not truncate table properly.
*/
@Override
public void truncateTable(String dbName, String tableName, List<String> partNames) throws MetaException, TException {
client.truncate_table(dbName, tableName, partNames);
}
/**
* @param type
* @return true if the type is dropped
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#drop_type(java.lang.String)
*/
public boolean dropType(String type) throws NoSuchObjectException, MetaException, TException {
return client.drop_type(type);
}
/**
* @param name
* @return map of types
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_type_all(java.lang.String)
*/
public Map<String, Type> getTypeAll(String name) throws MetaException,
TException {
Map<String, Type> result = null;
Map<String, Type> fromClient = client.get_type_all(name);
if (fromClient != null) {
result = new LinkedHashMap<String, Type>();
for (String key : fromClient.keySet()) {
result.put(key, deepCopy(fromClient.get(key)));
}
}
return result;
}
/** {@inheritDoc} */
@Override
public List<String> getDatabases(String databasePattern)
throws MetaException {
try {
return filterHook.filterDatabases(client.get_databases(databasePattern));
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
return null;
}
/** {@inheritDoc} */
@Override
public List<String> getAllDatabases() throws MetaException {
try {
return filterHook.filterDatabases(client.get_all_databases());
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
return null;
}
/**
* @param tbl_name
* @param db_name
* @param max_parts
* @return list of partitions
* @throws NoSuchObjectException
* @throws MetaException
* @throws TException
*/
@Override
public List<Partition> listPartitions(String db_name, String tbl_name,
short max_parts) throws NoSuchObjectException, MetaException, TException {
List<Partition> parts = client.get_partitions(db_name, tbl_name, max_parts);
return fastpath ? parts : deepCopyPartitions(filterHook.filterPartitions(parts));
}
@Override
public PartitionSpecProxy listPartitionSpecs(String dbName, String tableName, int maxParts) throws TException {
return PartitionSpecProxy.Factory.get(filterHook.filterPartitionSpecs(
client.get_partitions_pspec(dbName, tableName, maxParts)));
}
@Override
public List<Partition> listPartitions(String db_name, String tbl_name,
List<String> part_vals, short max_parts)
throws NoSuchObjectException, MetaException, TException {
List<Partition> parts = client.get_partitions_ps(db_name, tbl_name, part_vals, max_parts);
return fastpath ? parts : deepCopyPartitions(filterHook.filterPartitions(parts));
}
@Override
public List<Partition> listPartitionsWithAuthInfo(String db_name,
String tbl_name, short max_parts, String user_name, List<String> group_names)
throws NoSuchObjectException, MetaException, TException {
List<Partition> parts = client.get_partitions_with_auth(db_name, tbl_name, max_parts,
user_name, group_names);
return fastpath ? parts :deepCopyPartitions(filterHook.filterPartitions(parts));
}
@Override
public List<Partition> listPartitionsWithAuthInfo(String db_name,
String tbl_name, List<String> part_vals, short max_parts,
String user_name, List<String> group_names) throws NoSuchObjectException,
MetaException, TException {
List<Partition> parts = client.get_partitions_ps_with_auth(db_name,
tbl_name, part_vals, max_parts, user_name, group_names);
return fastpath ? parts : deepCopyPartitions(filterHook.filterPartitions(parts));
}
/**
* Get list of partitions matching specified filter
* @param db_name the database name
* @param tbl_name the table name
* @param filter the filter string,
* for example "part1 = \"p1_abc\" and part2 <= "\p2_test\"". Filtering can
* be done only on string partition keys.
* @param max_parts the maximum number of partitions to return,
* all partitions are returned if -1 is passed
* @return list of partitions
* @throws MetaException
* @throws NoSuchObjectException
* @throws TException
*/
@Override
public List<Partition> listPartitionsByFilter(String db_name, String tbl_name,
String filter, short max_parts) throws MetaException,
NoSuchObjectException, TException {
List<Partition> parts = client.get_partitions_by_filter(db_name, tbl_name, filter, max_parts);
return fastpath ? parts :deepCopyPartitions(filterHook.filterPartitions(parts));
}
@Override
public PartitionSpecProxy listPartitionSpecsByFilter(String db_name, String tbl_name,
String filter, int max_parts) throws MetaException,
NoSuchObjectException, TException {
return PartitionSpecProxy.Factory.get(filterHook.filterPartitionSpecs(
client.get_part_specs_by_filter(db_name, tbl_name, filter, max_parts)));
}
@Override
public boolean listPartitionsByExpr(String db_name, String tbl_name, byte[] expr,
String default_partition_name, short max_parts, List<Partition> result)
throws TException {
assert result != null;
PartitionsByExprRequest req = new PartitionsByExprRequest(
db_name, tbl_name, ByteBuffer.wrap(expr));
if (default_partition_name != null) {
req.setDefaultPartitionName(default_partition_name);
}
if (max_parts >= 0) {
req.setMaxParts(max_parts);
}
PartitionsByExprResult r = null;
try {
r = client.get_partitions_by_expr(req);
} catch (TApplicationException te) {
// TODO: backward compat for Hive <= 0.12. Can be removed later.
if (te.getType() != TApplicationException.UNKNOWN_METHOD
&& te.getType() != TApplicationException.WRONG_METHOD_NAME) {
throw te;
}
throw new IncompatibleMetastoreException(
"Metastore doesn't support listPartitionsByExpr: " + te.getMessage());
}
if (fastpath) {
result.addAll(r.getPartitions());
} else {
r.setPartitions(filterHook.filterPartitions(r.getPartitions()));
// TODO: in these methods, do we really need to deepcopy?
deepCopyPartitions(r.getPartitions(), result);
}
return !r.isSetHasUnknownPartitions() || r.isHasUnknownPartitions(); // Assume the worst.
}
/**
* @param name
* @return the database
* @throws NoSuchObjectException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_database(java.lang.String)
*/
@Override
public Database getDatabase(String name) throws NoSuchObjectException,
MetaException, TException {
Database d = client.get_database(name);
return fastpath ? d :deepCopy(filterHook.filterDatabase(d));
}
/**
* @param tbl_name
* @param db_name
* @param part_vals
* @return the partition
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_partition(java.lang.String,
* java.lang.String, java.util.List)
*/
@Override
public Partition getPartition(String db_name, String tbl_name,
List<String> part_vals) throws NoSuchObjectException, MetaException, TException {
Partition p = client.get_partition(db_name, tbl_name, part_vals);
return fastpath ? p : deepCopy(filterHook.filterPartition(p));
}
@Override
public List<Partition> getPartitionsByNames(String db_name, String tbl_name,
List<String> part_names) throws NoSuchObjectException, MetaException, TException {
List<Partition> parts = client.get_partitions_by_names(db_name, tbl_name, part_names);
return fastpath ? parts : deepCopyPartitions(filterHook.filterPartitions(parts));
}
@Override
public Partition getPartitionWithAuthInfo(String db_name, String tbl_name,
List<String> part_vals, String user_name, List<String> group_names)
throws MetaException, UnknownTableException, NoSuchObjectException,
TException {
Partition p = client.get_partition_with_auth(db_name, tbl_name, part_vals, user_name,
group_names);
return fastpath ? p : deepCopy(filterHook.filterPartition(p));
}
/**
* @param name
* @param dbname
* @return the table
* @throws NoSuchObjectException
* @throws MetaException
* @throws TException
* @throws NoSuchObjectException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_table(java.lang.String,
* java.lang.String)
*/
@Override
public Table getTable(String dbname, String name) throws MetaException,
TException, NoSuchObjectException {
GetTableRequest req = new GetTableRequest(dbname, name);
req.setCapabilities(version);
Table t = client.get_table_req(req).getTable();
return fastpath ? t : deepCopy(filterHook.filterTable(t));
}
/** {@inheritDoc} */
@Override
@Deprecated
public Table getTable(String tableName) throws MetaException, TException,
NoSuchObjectException {
Table t = getTable(DEFAULT_DATABASE_NAME, tableName);
return fastpath ? t : filterHook.filterTable(t);
}
/** {@inheritDoc} */
@Override
public List<Table> getTableObjectsByName(String dbName, List<String> tableNames)
throws MetaException, InvalidOperationException, UnknownDBException, TException {
GetTablesRequest req = new GetTablesRequest(dbName);
req.setTblNames(tableNames);
req.setCapabilities(version);
List<Table> tabs = client.get_table_objects_by_name_req(req).getTables();
return fastpath ? tabs : deepCopyTables(filterHook.filterTables(tabs));
}
/** {@inheritDoc} */
@Override
public List<String> listTableNamesByFilter(String dbName, String filter, short maxTables)
throws MetaException, TException, InvalidOperationException, UnknownDBException {
return filterHook.filterTableNames(dbName,
client.get_table_names_by_filter(dbName, filter, maxTables));
}
/**
* @param name
* @return the type
* @throws MetaException
* @throws TException
* @throws NoSuchObjectException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_type(java.lang.String)
*/
public Type getType(String name) throws NoSuchObjectException, MetaException, TException {
return deepCopy(client.get_type(name));
}
/** {@inheritDoc} */
@Override
public List<String> getTables(String dbname, String tablePattern) throws MetaException {
try {
return filterHook.filterTableNames(dbname, client.get_tables(dbname, tablePattern));
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
return null;
}
/** {@inheritDoc} */
@Override
public List<String> getTables(String dbname, String tablePattern, TableType tableType) throws MetaException {
try {
return filterHook.filterTableNames(dbname, client.get_tables_by_type(dbname, tablePattern, tableType.toString()));
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
return null;
}
@Override
public List<TableMeta> getTableMeta(String dbPatterns, String tablePatterns, List<String> tableTypes)
throws MetaException {
try {
return filterNames(client.get_table_meta(dbPatterns, tablePatterns, tableTypes));
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
return null;
}
private List<TableMeta> filterNames(List<TableMeta> metas) throws MetaException {
Map<String, TableMeta> sources = new LinkedHashMap<>();
Map<String, List<String>> dbTables = new LinkedHashMap<>();
for (TableMeta meta : metas) {
sources.put(meta.getDbName() + "." + meta.getTableName(), meta);
List<String> tables = dbTables.get(meta.getDbName());
if (tables == null) {
dbTables.put(meta.getDbName(), tables = new ArrayList<String>());
}
tables.add(meta.getTableName());
}
List<TableMeta> filtered = new ArrayList<>();
for (Map.Entry<String, List<String>> entry : dbTables.entrySet()) {
for (String table : filterHook.filterTableNames(entry.getKey(), entry.getValue())) {
filtered.add(sources.get(entry.getKey() + "." + table));
}
}
return filtered;
}
/** {@inheritDoc} */
@Override
public List<String> getAllTables(String dbname) throws MetaException {
try {
return filterHook.filterTableNames(dbname, client.get_all_tables(dbname));
} catch (Exception e) {
MetaStoreUtils.logAndThrowMetaException(e);
}
return null;
}
@Override
public boolean tableExists(String databaseName, String tableName) throws MetaException,
TException, UnknownDBException {
try {
GetTableRequest req = new GetTableRequest(databaseName, tableName);
req.setCapabilities(version);
return filterHook.filterTable(client.get_table_req(req).getTable()) != null;
} catch (NoSuchObjectException e) {
return false;
}
}
/** {@inheritDoc} */
@Override
@Deprecated
public boolean tableExists(String tableName) throws MetaException,
TException, UnknownDBException {
return tableExists(DEFAULT_DATABASE_NAME, tableName);
}
@Override
public List<String> listPartitionNames(String dbName, String tblName,
short max) throws MetaException, TException {
return filterHook.filterPartitionNames(dbName, tblName,
client.get_partition_names(dbName, tblName, max));
}
@Override
public List<String> listPartitionNames(String db_name, String tbl_name,
List<String> part_vals, short max_parts)
throws MetaException, TException, NoSuchObjectException {
return filterHook.filterPartitionNames(db_name, tbl_name,
client.get_partition_names_ps(db_name, tbl_name, part_vals, max_parts));
}
/**
* Get number of partitions matching specified filter
* @param db_name the database name
* @param tbl_name the table name
* @param filter the filter string,
* for example "part1 = \"p1_abc\" and part2 <= "\p2_test\"". Filtering can
* be done only on string partition keys.
* @return number of partitions
* @throws MetaException
* @throws NoSuchObjectException
* @throws TException
*/
@Override
public int getNumPartitionsByFilter(String db_name, String tbl_name,
String filter) throws MetaException,
NoSuchObjectException, TException {
return client.get_num_partitions_by_filter(db_name, tbl_name, filter);
}
@Override
public void alter_partition(String dbName, String tblName, Partition newPart, EnvironmentContext environmentContext)
throws InvalidOperationException, MetaException, TException {
client.alter_partition_with_environment_context(dbName, tblName, newPart, environmentContext);
}
@Override
public void alter_partitions(String dbName, String tblName, List<Partition> newParts, EnvironmentContext environmentContext)
throws InvalidOperationException, MetaException, TException {
client.alter_partitions_with_environment_context(dbName, tblName, newParts, environmentContext);
}
@Override
public void alterDatabase(String dbName, Database db)
throws MetaException, NoSuchObjectException, TException {
client.alter_database(dbName, db);
}
/**
* @param db
* @param tableName
* @throws UnknownTableException
* @throws UnknownDBException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_fields(java.lang.String,
* java.lang.String)
*/
@Override
public List<FieldSchema> getFields(String db, String tableName)
throws MetaException, TException, UnknownTableException,
UnknownDBException {
List<FieldSchema> fields = client.get_fields(db, tableName);
return fastpath ? fields : deepCopyFieldSchemas(fields);
}
/**
* create an index
* @param index the index object
* @param indexTable which stores the index data
* @throws InvalidObjectException
* @throws MetaException
* @throws NoSuchObjectException
* @throws TException
* @throws AlreadyExistsException
*/
@Override
public void createIndex(Index index, Table indexTable) throws AlreadyExistsException, InvalidObjectException, MetaException, NoSuchObjectException, TException {
client.add_index(index, indexTable);
}
/**
* @param dbname
* @param base_tbl_name
* @param idx_name
* @param new_idx
* @throws InvalidOperationException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#alter_index(java.lang.String,
* java.lang.String, java.lang.String, org.apache.hadoop.hive.metastore.api.Index)
*/
@Override
public void alter_index(String dbname, String base_tbl_name, String idx_name, Index new_idx)
throws InvalidOperationException, MetaException, TException {
client.alter_index(dbname, base_tbl_name, idx_name, new_idx);
}
/**
* @param dbName
* @param tblName
* @param indexName
* @return the index
* @throws MetaException
* @throws UnknownTableException
* @throws NoSuchObjectException
* @throws TException
*/
@Override
public Index getIndex(String dbName, String tblName, String indexName)
throws MetaException, UnknownTableException, NoSuchObjectException,
TException {
return deepCopy(filterHook.filterIndex(client.get_index_by_name(dbName, tblName, indexName)));
}
/**
* list indexes of the give base table
* @param dbName
* @param tblName
* @param max
* @return the list of indexes
* @throws NoSuchObjectException
* @throws MetaException
* @throws TException
*/
@Override
public List<String> listIndexNames(String dbName, String tblName, short max)
throws MetaException, TException {
return filterHook.filterIndexNames(dbName, tblName, client.get_index_names(dbName, tblName, max));
}
/**
* list all the index names of the give base table.
*
* @param dbName
* @param tblName
* @param max
* @return list of indexes
* @throws MetaException
* @throws TException
*/
@Override
public List<Index> listIndexes(String dbName, String tblName, short max)
throws NoSuchObjectException, MetaException, TException {
return filterHook.filterIndexes(client.get_indexes(dbName, tblName, max));
}
@Override
public List<SQLPrimaryKey> getPrimaryKeys(PrimaryKeysRequest req)
throws MetaException, NoSuchObjectException, TException {
return client.get_primary_keys(req).getPrimaryKeys();
}
@Override
public List<SQLForeignKey> getForeignKeys(ForeignKeysRequest req) throws MetaException,
NoSuchObjectException, TException {
return client.get_foreign_keys(req).getForeignKeys();
}
/** {@inheritDoc} */
@Override
@Deprecated
//use setPartitionColumnStatistics instead
public boolean updateTableColumnStatistics(ColumnStatistics statsObj)
throws NoSuchObjectException, InvalidObjectException, MetaException, TException,
InvalidInputException{
return client.update_table_column_statistics(statsObj);
}
/** {@inheritDoc} */
@Override
@Deprecated
//use setPartitionColumnStatistics instead
public boolean updatePartitionColumnStatistics(ColumnStatistics statsObj)
throws NoSuchObjectException, InvalidObjectException, MetaException, TException,
InvalidInputException{
return client.update_partition_column_statistics(statsObj);
}
/** {@inheritDoc} */
@Override
public boolean setPartitionColumnStatistics(SetPartitionsStatsRequest request)
throws NoSuchObjectException, InvalidObjectException, MetaException, TException,
InvalidInputException{
return client.set_aggr_stats_for(request);
}
@Override
public void flushCache() {
try {
client.flushCache();
} catch (TException e) {
// Not much we can do about it honestly
LOG.warn("Got error flushing the cache", e);
}
}
/** {@inheritDoc} */
@Override
public List<ColumnStatisticsObj> getTableColumnStatistics(String dbName, String tableName,
List<String> colNames) throws NoSuchObjectException, MetaException, TException,
InvalidInputException, InvalidObjectException {
return client.get_table_statistics_req(
new TableStatsRequest(dbName, tableName, colNames)).getTableStats();
}
/** {@inheritDoc} */
@Override
public Map<String, List<ColumnStatisticsObj>> getPartitionColumnStatistics(
String dbName, String tableName, List<String> partNames, List<String> colNames)
throws NoSuchObjectException, MetaException, TException {
return client.get_partitions_statistics_req(
new PartitionsStatsRequest(dbName, tableName, colNames, partNames)).getPartStats();
}
/** {@inheritDoc} */
@Override
public boolean deletePartitionColumnStatistics(String dbName, String tableName, String partName,
String colName) throws NoSuchObjectException, InvalidObjectException, MetaException,
TException, InvalidInputException
{
return client.delete_partition_column_statistics(dbName, tableName, partName, colName);
}
/** {@inheritDoc} */
@Override
public boolean deleteTableColumnStatistics(String dbName, String tableName, String colName)
throws NoSuchObjectException, InvalidObjectException, MetaException, TException,
InvalidInputException
{
return client.delete_table_column_statistics(dbName, tableName, colName);
}
/**
* @param db
* @param tableName
* @throws UnknownTableException
* @throws UnknownDBException
* @throws MetaException
* @throws TException
* @see org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore.Iface#get_schema(java.lang.String,
* java.lang.String)
*/
@Override
public List<FieldSchema> getSchema(String db, String tableName)
throws MetaException, TException, UnknownTableException,
UnknownDBException {
EnvironmentContext envCxt = null;
String addedJars = conf.getVar(ConfVars.HIVEADDEDJARS);
if(org.apache.commons.lang.StringUtils.isNotBlank(addedJars)) {
Map<String, String> props = new HashMap<String, String>();
props.put("hive.added.jars.path", addedJars);
envCxt = new EnvironmentContext(props);
}
List<FieldSchema> fields = client.get_schema_with_environment_context(db, tableName, envCxt);
return fastpath ? fields : deepCopyFieldSchemas(fields);
}
@Override
public String getConfigValue(String name, String defaultValue)
throws TException, ConfigValSecurityException {
return client.get_config_value(name, defaultValue);
}
@Override
public Partition getPartition(String db, String tableName, String partName)
throws MetaException, TException, UnknownTableException, NoSuchObjectException {
Partition p = client.get_partition_by_name(db, tableName, partName);
return fastpath ? p : deepCopy(filterHook.filterPartition(p));
}
public Partition appendPartitionByName(String dbName, String tableName, String partName)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
return appendPartitionByName(dbName, tableName, partName, null);
}
public Partition appendPartitionByName(String dbName, String tableName, String partName,
EnvironmentContext envContext) throws InvalidObjectException, AlreadyExistsException,
MetaException, TException {
Partition p = client.append_partition_by_name_with_environment_context(dbName, tableName,
partName, envContext);
return fastpath ? p : deepCopy(p);
}
public boolean dropPartitionByName(String dbName, String tableName, String partName,
boolean deleteData) throws NoSuchObjectException, MetaException, TException {
return dropPartitionByName(dbName, tableName, partName, deleteData, null);
}
public boolean dropPartitionByName(String dbName, String tableName, String partName,
boolean deleteData, EnvironmentContext envContext) throws NoSuchObjectException,
MetaException, TException {
return client.drop_partition_by_name_with_environment_context(dbName, tableName, partName,
deleteData, envContext);
}
private HiveMetaHook getHook(Table tbl) throws MetaException {
if (hookLoader == null) {
return null;
}
return hookLoader.getHook(tbl);
}
@Override
public List<String> partitionNameToVals(String name) throws MetaException, TException {
return client.partition_name_to_vals(name);
}
@Override
public Map<String, String> partitionNameToSpec(String name) throws MetaException, TException{
return client.partition_name_to_spec(name);
}
/**
* @param partition
* @return
*/
private Partition deepCopy(Partition partition) {
Partition copy = null;
if (partition != null) {
copy = new Partition(partition);
}
return copy;
}
private Database deepCopy(Database database) {
Database copy = null;
if (database != null) {
copy = new Database(database);
}
return copy;
}
protected Table deepCopy(Table table) {
Table copy = null;
if (table != null) {
copy = new Table(table);
}
return copy;
}
private Index deepCopy(Index index) {
Index copy = null;
if (index != null) {
copy = new Index(index);
}
return copy;
}
private Type deepCopy(Type type) {
Type copy = null;
if (type != null) {
copy = new Type(type);
}
return copy;
}
private FieldSchema deepCopy(FieldSchema schema) {
FieldSchema copy = null;
if (schema != null) {
copy = new FieldSchema(schema);
}
return copy;
}
private Function deepCopy(Function func) {
Function copy = null;
if (func != null) {
copy = new Function(func);
}
return copy;
}
protected PrincipalPrivilegeSet deepCopy(PrincipalPrivilegeSet pps) {
PrincipalPrivilegeSet copy = null;
if (pps != null) {
copy = new PrincipalPrivilegeSet(pps);
}
return copy;
}
private List<Partition> deepCopyPartitions(List<Partition> partitions) {
return deepCopyPartitions(partitions, null);
}
private List<Partition> deepCopyPartitions(
Collection<Partition> src, List<Partition> dest) {
if (src == null) {
return dest;
}
if (dest == null) {
dest = new ArrayList<Partition>(src.size());
}
for (Partition part : src) {
dest.add(deepCopy(part));
}
return dest;
}
private List<Table> deepCopyTables(List<Table> tables) {
List<Table> copy = null;
if (tables != null) {
copy = new ArrayList<Table>();
for (Table tab : tables) {
copy.add(deepCopy(tab));
}
}
return copy;
}
protected List<FieldSchema> deepCopyFieldSchemas(List<FieldSchema> schemas) {
List<FieldSchema> copy = null;
if (schemas != null) {
copy = new ArrayList<FieldSchema>();
for (FieldSchema schema : schemas) {
copy.add(deepCopy(schema));
}
}
return copy;
}
@Override
public boolean dropIndex(String dbName, String tblName, String name,
boolean deleteData) throws NoSuchObjectException, MetaException,
TException {
return client.drop_index_by_name(dbName, tblName, name, deleteData);
}
@Override
public boolean grant_role(String roleName, String userName,
PrincipalType principalType, String grantor, PrincipalType grantorType,
boolean grantOption) throws MetaException, TException {
GrantRevokeRoleRequest req = new GrantRevokeRoleRequest();
req.setRequestType(GrantRevokeType.GRANT);
req.setRoleName(roleName);
req.setPrincipalName(userName);
req.setPrincipalType(principalType);
req.setGrantor(grantor);
req.setGrantorType(grantorType);
req.setGrantOption(grantOption);
GrantRevokeRoleResponse res = client.grant_revoke_role(req);
if (!res.isSetSuccess()) {
throw new MetaException("GrantRevokeResponse missing success field");
}
return res.isSuccess();
}
@Override
public boolean create_role(Role role)
throws MetaException, TException {
return client.create_role(role);
}
@Override
public boolean drop_role(String roleName) throws MetaException, TException {
return client.drop_role(roleName);
}
@Override
public List<Role> list_roles(String principalName,
PrincipalType principalType) throws MetaException, TException {
return client.list_roles(principalName, principalType);
}
@Override
public List<String> listRoleNames() throws MetaException, TException {
return client.get_role_names();
}
@Override
public GetPrincipalsInRoleResponse get_principals_in_role(GetPrincipalsInRoleRequest req)
throws MetaException, TException {
return client.get_principals_in_role(req);
}
@Override
public GetRoleGrantsForPrincipalResponse get_role_grants_for_principal(
GetRoleGrantsForPrincipalRequest getRolePrincReq) throws MetaException, TException {
return client.get_role_grants_for_principal(getRolePrincReq);
}
@Override
public boolean grant_privileges(PrivilegeBag privileges)
throws MetaException, TException {
GrantRevokePrivilegeRequest req = new GrantRevokePrivilegeRequest();
req.setRequestType(GrantRevokeType.GRANT);
req.setPrivileges(privileges);
GrantRevokePrivilegeResponse res = client.grant_revoke_privileges(req);
if (!res.isSetSuccess()) {
throw new MetaException("GrantRevokePrivilegeResponse missing success field");
}
return res.isSuccess();
}
@Override
public boolean revoke_role(String roleName, String userName,
PrincipalType principalType, boolean grantOption) throws MetaException, TException {
GrantRevokeRoleRequest req = new GrantRevokeRoleRequest();
req.setRequestType(GrantRevokeType.REVOKE);
req.setRoleName(roleName);
req.setPrincipalName(userName);
req.setPrincipalType(principalType);
req.setGrantOption(grantOption);
GrantRevokeRoleResponse res = client.grant_revoke_role(req);
if (!res.isSetSuccess()) {
throw new MetaException("GrantRevokeResponse missing success field");
}
return res.isSuccess();
}
@Override
public boolean revoke_privileges(PrivilegeBag privileges, boolean grantOption) throws MetaException,
TException {
GrantRevokePrivilegeRequest req = new GrantRevokePrivilegeRequest();
req.setRequestType(GrantRevokeType.REVOKE);
req.setPrivileges(privileges);
req.setRevokeGrantOption(grantOption);
GrantRevokePrivilegeResponse res = client.grant_revoke_privileges(req);
if (!res.isSetSuccess()) {
throw new MetaException("GrantRevokePrivilegeResponse missing success field");
}
return res.isSuccess();
}
@Override
public PrincipalPrivilegeSet get_privilege_set(HiveObjectRef hiveObject,
String userName, List<String> groupNames) throws MetaException,
TException {
return client.get_privilege_set(hiveObject, userName, groupNames);
}
@Override
public List<HiveObjectPrivilege> list_privileges(String principalName,
PrincipalType principalType, HiveObjectRef hiveObject)
throws MetaException, TException {
return client.list_privileges(principalName, principalType, hiveObject);
}
public String getDelegationToken(String renewerKerberosPrincipalName) throws
MetaException, TException, IOException {
//a convenience method that makes the intended owner for the delegation
//token request the current user
String owner = conf.getUser();
return getDelegationToken(owner, renewerKerberosPrincipalName);
}
@Override
public String getDelegationToken(String owner, String renewerKerberosPrincipalName) throws
MetaException, TException {
// This is expected to be a no-op, so we will return null when we use local metastore.
if (localMetaStore) {
return null;
}
return client.get_delegation_token(owner, renewerKerberosPrincipalName);
}
@Override
public long renewDelegationToken(String tokenStrForm) throws MetaException, TException {
if (localMetaStore) {
return 0;
}
return client.renew_delegation_token(tokenStrForm);
}
@Override
public void cancelDelegationToken(String tokenStrForm) throws MetaException, TException {
if (localMetaStore) {
return;
}
client.cancel_delegation_token(tokenStrForm);
}
@Override
public boolean addToken(String tokenIdentifier, String delegationToken) throws TException {
return client.add_token(tokenIdentifier, delegationToken);
}
@Override
public boolean removeToken(String tokenIdentifier) throws TException {
return client.remove_token(tokenIdentifier);
}
@Override
public String getToken(String tokenIdentifier) throws TException {
return client.get_token(tokenIdentifier);
}
@Override
public List<String> getAllTokenIdentifiers() throws TException {
return client.get_all_token_identifiers();
}
@Override
public int addMasterKey(String key) throws MetaException, TException {
return client.add_master_key(key);
}
@Override
public void updateMasterKey(Integer seqNo, String key)
throws NoSuchObjectException, MetaException, TException {
client.update_master_key(seqNo, key);
}
@Override
public boolean removeMasterKey(Integer keySeq) throws TException {
return client.remove_master_key(keySeq);
}
@Override
public String[] getMasterKeys() throws TException {
List<String> keyList = client.get_master_keys();
return keyList.toArray(new String[keyList.size()]);
}
@Override
public ValidTxnList getValidTxns() throws TException {
return TxnUtils.createValidReadTxnList(client.get_open_txns(), 0);
}
@Override
public ValidTxnList getValidTxns(long currentTxn) throws TException {
return TxnUtils.createValidReadTxnList(client.get_open_txns(), currentTxn);
}
@Override
public long openTxn(String user) throws TException {
OpenTxnsResponse txns = openTxns(user, 1);
return txns.getTxn_ids().get(0);
}
@Override
public OpenTxnsResponse openTxns(String user, int numTxns) throws TException {
String hostname = null;
try {
hostname = InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException e) {
LOG.error("Unable to resolve my host name " + e.getMessage());
throw new RuntimeException(e);
}
return client.open_txns(new OpenTxnRequest(numTxns, user, hostname));
}
@Override
public void rollbackTxn(long txnid) throws NoSuchTxnException, TException {
client.abort_txn(new AbortTxnRequest(txnid));
}
@Override
public void commitTxn(long txnid)
throws NoSuchTxnException, TxnAbortedException, TException {
client.commit_txn(new CommitTxnRequest(txnid));
}
@Override
public GetOpenTxnsInfoResponse showTxns() throws TException {
return client.get_open_txns_info();
}
@Override
public void abortTxns(List<Long> txnids) throws NoSuchTxnException, TException {
client.abort_txns(new AbortTxnsRequest(txnids));
}
@Override
public LockResponse lock(LockRequest request)
throws NoSuchTxnException, TxnAbortedException, TException {
return client.lock(request);
}
@Override
public LockResponse checkLock(long lockid)
throws NoSuchTxnException, TxnAbortedException, NoSuchLockException,
TException {
return client.check_lock(new CheckLockRequest(lockid));
}
@Override
public void unlock(long lockid)
throws NoSuchLockException, TxnOpenException, TException {
client.unlock(new UnlockRequest(lockid));
}
@Override
@Deprecated
public ShowLocksResponse showLocks() throws TException {
return client.show_locks(new ShowLocksRequest());
}
@Override
public ShowLocksResponse showLocks(ShowLocksRequest request) throws TException {
return client.show_locks(request);
}
@Override
public void heartbeat(long txnid, long lockid)
throws NoSuchLockException, NoSuchTxnException, TxnAbortedException,
TException {
HeartbeatRequest hb = new HeartbeatRequest();
hb.setLockid(lockid);
hb.setTxnid(txnid);
client.heartbeat(hb);
}
@Override
public HeartbeatTxnRangeResponse heartbeatTxnRange(long min, long max)
throws NoSuchTxnException, TxnAbortedException, TException {
HeartbeatTxnRangeRequest rqst = new HeartbeatTxnRangeRequest(min, max);
return client.heartbeat_txn_range(rqst);
}
@Override
@Deprecated
public void compact(String dbname, String tableName, String partitionName, CompactionType type)
throws TException {
CompactionRequest cr = new CompactionRequest();
if (dbname == null) cr.setDbname(DEFAULT_DATABASE_NAME);
else cr.setDbname(dbname);
cr.setTablename(tableName);
if (partitionName != null) cr.setPartitionname(partitionName);
cr.setType(type);
client.compact(cr);
}
@Deprecated
@Override
public void compact(String dbname, String tableName, String partitionName, CompactionType type,
Map<String, String> tblproperties) throws TException {
compact2(dbname, tableName, partitionName, type, tblproperties);
}
@Override
public CompactionResponse compact2(String dbname, String tableName, String partitionName, CompactionType type,
Map<String, String> tblproperties) throws TException {
CompactionRequest cr = new CompactionRequest();
if (dbname == null) cr.setDbname(DEFAULT_DATABASE_NAME);
else cr.setDbname(dbname);
cr.setTablename(tableName);
if (partitionName != null) cr.setPartitionname(partitionName);
cr.setType(type);
cr.setProperties(tblproperties);
return client.compact2(cr);
}
@Override
public ShowCompactResponse showCompactions() throws TException {
return client.show_compact(new ShowCompactRequest());
}
@Deprecated
@Override
public void addDynamicPartitions(long txnId, String dbName, String tableName,
List<String> partNames) throws TException {
client.add_dynamic_partitions(new AddDynamicPartitions(txnId, dbName, tableName, partNames));
}
@Override
public void addDynamicPartitions(long txnId, String dbName, String tableName,
List<String> partNames, DataOperationType operationType) throws TException {
AddDynamicPartitions adp = new AddDynamicPartitions(txnId, dbName, tableName, partNames);
adp.setOperationType(operationType);
client.add_dynamic_partitions(adp);
}
@Override
public void insertTable(Table table, boolean overwrite) throws MetaException {
boolean failed = true;
HiveMetaHook hook = getHook(table);
if (hook == null || !(hook instanceof DefaultHiveMetaHook)) {
return;
}
DefaultHiveMetaHook hiveMetaHook = (DefaultHiveMetaHook) hook;
try {
hiveMetaHook.commitInsertTable(table, overwrite);
failed = false;
}
finally {
if (failed) {
hiveMetaHook.rollbackInsertTable(table, overwrite);
}
}
}
@InterfaceAudience.LimitedPrivate({"HCatalog"})
@Override
public NotificationEventResponse getNextNotification(long lastEventId, int maxEvents,
NotificationFilter filter) throws TException {
NotificationEventRequest rqst = new NotificationEventRequest(lastEventId);
rqst.setMaxEvents(maxEvents);
NotificationEventResponse rsp = client.get_next_notification(rqst);
LOG.debug("Got back " + rsp.getEventsSize() + " events");
if (filter == null) {
return rsp;
} else {
NotificationEventResponse filtered = new NotificationEventResponse();
if (rsp != null && rsp.getEvents() != null) {
for (NotificationEvent e : rsp.getEvents()) {
if (filter.accept(e)) filtered.addToEvents(e);
}
}
return filtered;
}
}
@InterfaceAudience.LimitedPrivate({"HCatalog"})
@Override
public CurrentNotificationEventId getCurrentNotificationEventId() throws TException {
return client.get_current_notificationEventId();
}
@InterfaceAudience.LimitedPrivate({"Apache Hive, HCatalog"})
@Override
public FireEventResponse fireListenerEvent(FireEventRequest rqst) throws TException {
return client.fire_listener_event(rqst);
}
/**
* Creates a synchronized wrapper for any {@link IMetaStoreClient}.
* This may be used by multi-threaded applications until we have
* fixed all reentrancy bugs.
*
* @param client unsynchronized client
*
* @return synchronized client
*/
public static IMetaStoreClient newSynchronizedClient(
IMetaStoreClient client) {
return (IMetaStoreClient) Proxy.newProxyInstance(
HiveMetaStoreClient.class.getClassLoader(),
new Class [] { IMetaStoreClient.class },
new SynchronizedHandler(client));
}
private static class SynchronizedHandler implements InvocationHandler {
private final IMetaStoreClient client;
SynchronizedHandler(IMetaStoreClient client) {
this.client = client;
}
@Override
public synchronized Object invoke(Object proxy, Method method, Object [] args)
throws Throwable {
try {
return method.invoke(client, args);
} catch (InvocationTargetException e) {
throw e.getTargetException();
}
}
}
@Override
public void markPartitionForEvent(String db_name, String tbl_name, Map<String,String> partKVs, PartitionEventType eventType)
throws MetaException, TException, NoSuchObjectException, UnknownDBException,
UnknownTableException,
InvalidPartitionException, UnknownPartitionException {
assert db_name != null;
assert tbl_name != null;
assert partKVs != null;
client.markPartitionForEvent(db_name, tbl_name, partKVs, eventType);
}
@Override
public boolean isPartitionMarkedForEvent(String db_name, String tbl_name, Map<String,String> partKVs, PartitionEventType eventType)
throws MetaException, NoSuchObjectException, UnknownTableException, UnknownDBException, TException,
InvalidPartitionException, UnknownPartitionException {
assert db_name != null;
assert tbl_name != null;
assert partKVs != null;
return client.isPartitionMarkedForEvent(db_name, tbl_name, partKVs, eventType);
}
@Override
public void createFunction(Function func) throws InvalidObjectException,
MetaException, TException {
client.create_function(func);
}
@Override
public void alterFunction(String dbName, String funcName, Function newFunction)
throws InvalidObjectException, MetaException, TException {
client.alter_function(dbName, funcName, newFunction);
}
@Override
public void dropFunction(String dbName, String funcName)
throws MetaException, NoSuchObjectException, InvalidObjectException,
InvalidInputException, TException {
client.drop_function(dbName, funcName);
}
@Override
public Function getFunction(String dbName, String funcName)
throws MetaException, TException {
Function f = client.get_function(dbName, funcName);
return fastpath ? f : deepCopy(f);
}
@Override
public List<String> getFunctions(String dbName, String pattern)
throws MetaException, TException {
return client.get_functions(dbName, pattern);
}
@Override
public GetAllFunctionsResponse getAllFunctions()
throws MetaException, TException {
return client.get_all_functions();
}
protected void create_table_with_environment_context(Table tbl, EnvironmentContext envContext)
throws AlreadyExistsException, InvalidObjectException,
MetaException, NoSuchObjectException, TException {
client.create_table_with_environment_context(tbl, envContext);
}
protected void drop_table_with_environment_context(String dbname, String name,
boolean deleteData, EnvironmentContext envContext) throws MetaException, TException,
NoSuchObjectException, UnsupportedOperationException {
client.drop_table_with_environment_context(dbname, name, deleteData, envContext);
}
@Override
public AggrStats getAggrColStatsFor(String dbName, String tblName,
List<String> colNames, List<String> partNames) throws NoSuchObjectException, MetaException, TException {
if (colNames.isEmpty() || partNames.isEmpty()) {
LOG.debug("Columns is empty or partNames is empty : Short-circuiting stats eval on client side.");
return new AggrStats(new ArrayList<ColumnStatisticsObj>(),0); // Nothing to aggregate
}
PartitionsStatsRequest req = new PartitionsStatsRequest(dbName, tblName, colNames, partNames);
return client.get_aggr_stats_for(req);
}
@Override
public Iterable<Entry<Long, ByteBuffer>> getFileMetadata(
final List<Long> fileIds) throws TException {
return new MetastoreMapIterable<Long, ByteBuffer>() {
private int listIndex = 0;
@Override
protected Map<Long, ByteBuffer> fetchNextBatch() throws TException {
if (listIndex == fileIds.size()) return null;
int endIndex = Math.min(listIndex + fileMetadataBatchSize, fileIds.size());
List<Long> subList = fileIds.subList(listIndex, endIndex);
GetFileMetadataResult resp = sendGetFileMetadataReq(subList);
// TODO: we could remember if it's unsupported and stop sending calls; although, it might
// be a bad idea for HS2+standalone metastore that could be updated with support.
// Maybe we should just remember this for some time.
if (!resp.isIsSupported()) return null;
listIndex = endIndex;
return resp.getMetadata();
}
};
}
private GetFileMetadataResult sendGetFileMetadataReq(List<Long> fileIds) throws TException {
return client.get_file_metadata(new GetFileMetadataRequest(fileIds));
}
@Override
public Iterable<Entry<Long, MetadataPpdResult>> getFileMetadataBySarg(
final List<Long> fileIds, final ByteBuffer sarg, final boolean doGetFooters)
throws TException {
return new MetastoreMapIterable<Long, MetadataPpdResult>() {
private int listIndex = 0;
@Override
protected Map<Long, MetadataPpdResult> fetchNextBatch() throws TException {
if (listIndex == fileIds.size()) return null;
int endIndex = Math.min(listIndex + fileMetadataBatchSize, fileIds.size());
List<Long> subList = fileIds.subList(listIndex, endIndex);
GetFileMetadataByExprResult resp = sendGetFileMetadataBySargReq(
sarg, subList, doGetFooters);
if (!resp.isIsSupported()) return null;
listIndex = endIndex;
return resp.getMetadata();
}
};
}
private GetFileMetadataByExprResult sendGetFileMetadataBySargReq(
ByteBuffer sarg, List<Long> fileIds, boolean doGetFooters) throws TException {
GetFileMetadataByExprRequest req = new GetFileMetadataByExprRequest(fileIds, sarg);
req.setDoGetFooters(doGetFooters); // No need to get footers
return client.get_file_metadata_by_expr(req);
}
public static abstract class MetastoreMapIterable<K, V>
implements Iterable<Entry<K, V>>, Iterator<Entry<K, V>> {
private Iterator<Entry<K, V>> currentIter;
protected abstract Map<K, V> fetchNextBatch() throws TException;
@Override
public Iterator<Entry<K, V>> iterator() {
return this;
}
@Override
public boolean hasNext() {
ensureCurrentBatch();
return currentIter != null;
}
private void ensureCurrentBatch() {
if (currentIter != null && currentIter.hasNext()) return;
currentIter = null;
Map<K, V> currentBatch;
do {
try {
currentBatch = fetchNextBatch();
} catch (TException ex) {
throw new RuntimeException(ex);
}
if (currentBatch == null) return; // No more data.
} while (currentBatch.isEmpty());
currentIter = currentBatch.entrySet().iterator();
}
@Override
public Entry<K, V> next() {
ensureCurrentBatch();
if (currentIter == null) throw new NoSuchElementException();
return currentIter.next();
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
@Override
public void clearFileMetadata(List<Long> fileIds) throws TException {
ClearFileMetadataRequest req = new ClearFileMetadataRequest();
req.setFileIds(fileIds);
client.clear_file_metadata(req);
}
@Override
public void putFileMetadata(List<Long> fileIds, List<ByteBuffer> metadata) throws TException {
PutFileMetadataRequest req = new PutFileMetadataRequest();
req.setFileIds(fileIds);
req.setMetadata(metadata);
client.put_file_metadata(req);
}
@Override
public boolean isSameConfObj(HiveConf c) {
return conf == c;
}
@Override
public boolean cacheFileMetadata(
String dbName, String tableName, String partName, boolean allParts) throws TException {
CacheFileMetadataRequest req = new CacheFileMetadataRequest();
req.setDbName(dbName);
req.setTblName(tableName);
if (partName != null) {
req.setPartName(partName);
} else {
req.setIsAllParts(allParts);
}
CacheFileMetadataResult result = client.cache_file_metadata(req);
return result.isIsSupported();
}
@Override
public String getMetastoreDbUuid() throws TException {
return client.get_metastore_db_uuid();
}
}