Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.apache.hive.service.cli.CLIService Maven / Gradle / Ivy
/*
* 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.hive.service.cli;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import javax.security.auth.login.LoginException;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.ql.exec.FunctionRegistry;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.hadoop.hive.shims.Utils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hive.service.CompositeService;
import org.apache.hive.service.ServiceException;
import org.apache.hive.service.ServiceUtils;
import org.apache.hive.service.auth.HiveAuthFactory;
import org.apache.hive.service.cli.operation.Operation;
import org.apache.hive.service.cli.session.SessionManager;
import org.apache.hive.service.rpc.thrift.TOperationHandle;
import org.apache.hive.service.rpc.thrift.TProtocolVersion;
import org.apache.hive.service.server.HiveServer2;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.hive.common.log.ProgressMonitor;
import org.apache.hive.service.cli.session.HiveSession;
/**
* CLIService.
*
*/
public class CLIService extends CompositeService implements ICLIService {
public static final TProtocolVersion SERVER_VERSION;
static {
TProtocolVersion[] protocols = TProtocolVersion.values();
SERVER_VERSION = protocols[protocols.length - 1];
}
private final Logger LOG = LoggerFactory.getLogger(CLIService.class.getName());
private SessionManager sessionManager;
private UserGroupInformation serviceUGI;
private UserGroupInformation httpUGI;
// The HiveServer2 instance running this service
private final HiveServer2 hiveServer2;
private int defaultFetchRows;
public CLIService(HiveServer2 hiveServer2) {
super(CLIService.class.getSimpleName());
this.hiveServer2 = hiveServer2;
}
@Override
public synchronized void init(HiveConf hiveConf) {
this.hiveConf = hiveConf;
sessionManager = new SessionManager(hiveServer2);
defaultFetchRows = hiveConf.getIntVar(ConfVars.HIVE_SERVER2_THRIFT_RESULTSET_DEFAULT_FETCH_SIZE);
addService(sessionManager);
// If the hadoop cluster is secure, do a kerberos login for the service from the keytab
if (UserGroupInformation.isSecurityEnabled()) {
try {
HiveAuthFactory.loginFromKeytab(hiveConf);
this.serviceUGI = Utils.getUGI();
} catch (IOException e) {
throw new ServiceException("Unable to login to kerberos with given principal/keytab", e);
} catch (LoginException e) {
throw new ServiceException("Unable to login to kerberos with given principal/keytab", e);
}
// Also try creating a UGI object for the SPNego principal
String principal = hiveConf.getVar(ConfVars.HIVE_SERVER2_SPNEGO_PRINCIPAL);
String keyTabFile = hiveConf.getVar(ConfVars.HIVE_SERVER2_SPNEGO_KEYTAB);
if (principal.isEmpty() || keyTabFile.isEmpty()) {
LOG.info("SPNego httpUGI not created, spNegoPrincipal: " + principal +
", ketabFile: " + keyTabFile);
} else {
try {
this.httpUGI = HiveAuthFactory.loginFromSpnegoKeytabAndReturnUGI(hiveConf);
LOG.info("SPNego httpUGI successfully created.");
} catch (IOException e) {
LOG.warn("SPNego httpUGI creation failed: ", e);
}
}
}
// creates connection to HMS and thus *must* occur after kerberos login above
try {
applyAuthorizationConfigPolicy(hiveConf);
} catch (Exception e) {
throw new RuntimeException("Error applying authorization policy on hive configuration: "
+ e.getMessage(), e);
}
setupBlockedUdfs();
super.init(hiveConf);
}
private void applyAuthorizationConfigPolicy(HiveConf newHiveConf) throws HiveException,
MetaException {
// authorization setup using SessionState should be revisited eventually, as
// authorization and authentication are not session specific settings
SessionState ss = new SessionState(newHiveConf);
ss.setIsHiveServerQuery(true);
SessionState.start(ss);
ss.applyAuthorizationPolicy();
}
private void setupBlockedUdfs() {
FunctionRegistry.setupPermissionsForBuiltinUDFs(
hiveConf.getVar(ConfVars.HIVE_SERVER2_BUILTIN_UDF_WHITELIST),
hiveConf.getVar(ConfVars.HIVE_SERVER2_BUILTIN_UDF_BLACKLIST));
}
public UserGroupInformation getServiceUGI() {
return this.serviceUGI;
}
public UserGroupInformation getHttpUGI() {
return this.httpUGI;
}
@Override
public synchronized void start() {
super.start();
}
@Override
public synchronized void stop() {
super.stop();
// Release the HMS connection for this service thread
Hive.closeCurrent();
}
/**
* @deprecated Use {@link #openSession(TProtocolVersion, String, String, String, Map)}
*/
@Deprecated
public SessionHandle openSession(TProtocolVersion protocol, String username, String password,
Map configuration) throws HiveSQLException {
SessionHandle sessionHandle = sessionManager.openSession(protocol, username, password, null, configuration, false, null);
LOG.debug(sessionHandle + ": openSession()");
return sessionHandle;
}
/**
* @deprecated Use {@link #openSessionWithImpersonation(TProtocolVersion, String, String, String, Map, String)}
*/
@Deprecated
public SessionHandle openSessionWithImpersonation(TProtocolVersion protocol, String username,
String password, Map configuration, String delegationToken)
throws HiveSQLException {
SessionHandle sessionHandle = sessionManager.openSession(protocol, username, password, null, configuration,
true, delegationToken);
LOG.debug(sessionHandle + ": openSessionWithImpersonation()");
return sessionHandle;
}
public SessionHandle openSession(TProtocolVersion protocol, String username, String password, String ipAddress,
Map configuration) throws HiveSQLException {
SessionHandle sessionHandle = sessionManager.openSession(protocol, username, password, ipAddress, configuration, false, null);
LOG.debug(sessionHandle + ": openSession()");
return sessionHandle;
}
public SessionHandle openSessionWithImpersonation(TProtocolVersion protocol, String username,
String password, String ipAddress, Map configuration, String delegationToken)
throws HiveSQLException {
SessionHandle sessionHandle = sessionManager.openSession(protocol, username, password, ipAddress, configuration,
true, delegationToken);
LOG.debug(sessionHandle + ": openSession()");
return sessionHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#openSession(java.lang.String, java.lang.String, java.util.Map)
*/
@Override
public SessionHandle openSession(String username, String password, Map configuration)
throws HiveSQLException {
SessionHandle sessionHandle = sessionManager.openSession(SERVER_VERSION, username, password, null, configuration, false, null);
LOG.debug(sessionHandle + ": openSession()");
return sessionHandle;
}
/**
* Used to restore session
*/
public void createSessionWithSessionHandle(SessionHandle sessionHandle, String username, String password,
Map configuration)
throws HiveSQLException {
sessionManager.createSession(sessionHandle, SERVER_VERSION, username, password, null,
configuration, false, null);
LOG.debug(sessionHandle + ": createSessionWithSessionHandle()");
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#openSession(java.lang.String, java.lang.String, java.util.Map)
*/
@Override
public SessionHandle openSessionWithImpersonation(String username, String password, Map configuration,
String delegationToken) throws HiveSQLException {
SessionHandle sessionHandle = sessionManager.openSession(SERVER_VERSION, username, password, null, configuration,
true, delegationToken);
LOG.debug(sessionHandle + ": openSession()");
return sessionHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#closeSession(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public void closeSession(SessionHandle sessionHandle)
throws HiveSQLException {
sessionManager.closeSession(sessionHandle);
LOG.debug(sessionHandle + ": closeSession()");
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getInfo(org.apache.hive.service.cli.SessionHandle, java.util.List)
*/
@Override
public GetInfoValue getInfo(SessionHandle sessionHandle, GetInfoType getInfoType)
throws HiveSQLException {
GetInfoValue infoValue = sessionManager.getSession(sessionHandle)
.getInfo(getInfoType);
LOG.debug(sessionHandle + ": getInfo()");
return infoValue;
}
/**
* Execute statement on the server. This is a blocking call.
*/
@Override
public OperationHandle executeStatement(SessionHandle sessionHandle, String statement,
Map confOverlay) throws HiveSQLException {
HiveSession session = sessionManager.getSession(sessionHandle);
// need to reset the monitor, as operation handle is not available down stream, Ideally the
// monitor should be associated with the operation handle.
session.getSessionState().updateProgressMonitor(null);
OperationHandle opHandle = session.executeStatement(statement, confOverlay);
LOG.debug(sessionHandle + ": executeStatement()");
return opHandle;
}
/**
* Execute statement on the server with a timeout. This is a blocking call.
*/
@Override
public OperationHandle executeStatement(SessionHandle sessionHandle, String statement,
Map confOverlay, long queryTimeout) throws HiveSQLException {
HiveSession session = sessionManager.getSession(sessionHandle);
// need to reset the monitor, as operation handle is not available down stream, Ideally the
// monitor should be associated with the operation handle.
session.getSessionState().updateProgressMonitor(null);
OperationHandle opHandle = session.executeStatement(statement, confOverlay, queryTimeout);
LOG.debug(sessionHandle + ": executeStatement()");
return opHandle;
}
/**
* Execute statement asynchronously on the server. This is a non-blocking call
*/
@Override
public OperationHandle executeStatementAsync(SessionHandle sessionHandle, String statement,
Map confOverlay) throws HiveSQLException {
HiveSession session = sessionManager.getSession(sessionHandle);
// need to reset the monitor, as operation handle is not available down stream, Ideally the
// monitor should be associated with the operation handle.
session.getSessionState().updateProgressMonitor(null);
OperationHandle opHandle = session.executeStatementAsync(statement, confOverlay);
LOG.debug(sessionHandle + ": executeStatementAsync()");
return opHandle;
}
/**
* Execute statement asynchronously on the server with a timeout. This is a non-blocking call
*/
@Override
public OperationHandle executeStatementAsync(SessionHandle sessionHandle, String statement,
Map confOverlay, long queryTimeout) throws HiveSQLException {
HiveSession session = sessionManager.getSession(sessionHandle);
// need to reset the monitor, as operation handle is not available down stream, Ideally the
// monitor should be associated with the operation handle.
session.getSessionState().updateProgressMonitor(null);
OperationHandle opHandle = session.executeStatementAsync(statement, confOverlay, queryTimeout);
LOG.debug(sessionHandle + ": executeStatementAsync()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getTypeInfo(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getTypeInfo(SessionHandle sessionHandle)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getTypeInfo();
LOG.debug(sessionHandle + ": getTypeInfo()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getCatalogs(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getCatalogs(SessionHandle sessionHandle)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getCatalogs();
LOG.debug(sessionHandle + ": getCatalogs()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getSchemas(org.apache.hive.service.cli.SessionHandle, java.lang.String, java.lang.String)
*/
@Override
public OperationHandle getSchemas(SessionHandle sessionHandle,
String catalogName, String schemaName)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getSchemas(catalogName, schemaName);
LOG.debug(sessionHandle + ": getSchemas()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getTables(org.apache.hive.service.cli.SessionHandle, java.lang.String, java.lang.String, java.lang.String, java.util.List)
*/
@Override
public OperationHandle getTables(SessionHandle sessionHandle,
String catalogName, String schemaName, String tableName, List tableTypes)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getTables(catalogName, schemaName, tableName, tableTypes);
LOG.debug(sessionHandle + ": getTables()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getTableTypes(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getTableTypes(SessionHandle sessionHandle)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getTableTypes();
LOG.debug(sessionHandle + ": getTableTypes()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getColumns(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getColumns(SessionHandle sessionHandle,
String catalogName, String schemaName, String tableName, String columnName)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getColumns(catalogName, schemaName, tableName, columnName);
LOG.debug(sessionHandle + ": getColumns()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getFunctions(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getFunctions(SessionHandle sessionHandle,
String catalogName, String schemaName, String functionName)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getFunctions(catalogName, schemaName, functionName);
LOG.debug(sessionHandle + ": getFunctions()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getPrimaryKeys(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getPrimaryKeys(SessionHandle sessionHandle,
String catalog, String schema, String table)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getPrimaryKeys(catalog, schema, table);
LOG.debug(sessionHandle + ": getPrimaryKeys()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getCrossReference(org.apache.hive.service.cli.SessionHandle)
*/
@Override
public OperationHandle getCrossReference(SessionHandle sessionHandle,
String primaryCatalog,
String primarySchema, String primaryTable, String foreignCatalog,
String foreignSchema, String foreignTable)
throws HiveSQLException {
OperationHandle opHandle = sessionManager.getSession(sessionHandle)
.getCrossReference(primaryCatalog, primarySchema, primaryTable,
foreignCatalog,
foreignSchema, foreignTable);
LOG.debug(sessionHandle + ": getCrossReference()");
return opHandle;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getOperationStatus(org.apache.hive.service.cli.OperationHandle)
*/
@Override
public OperationStatus getOperationStatus(OperationHandle opHandle, boolean getProgressUpdate)
throws HiveSQLException {
Operation operation = sessionManager.getOperationManager().getOperation(opHandle);
/**
* If this is a background operation run asynchronously,
* we block for a duration determined by a step function, before we return
* However, if the background operation is complete, we return immediately.
*/
HiveConf conf = operation.getParentSession().getHiveConf();
if (operation.shouldRunAsync()) {
long maxTimeout = HiveConf.getTimeVar(conf,
HiveConf.ConfVars.HIVE_SERVER2_LONG_POLLING_TIMEOUT, TimeUnit.MILLISECONDS);
final long elapsed = System.currentTimeMillis() - operation.getBeginTime();
// A step function to increase the polling timeout by 500 ms every 10 sec,
// starting from 500 ms up to HIVE_SERVER2_LONG_POLLING_TIMEOUT
final long timeout = Math.min(maxTimeout, (elapsed / TimeUnit.SECONDS.toMillis(10) + 1) * 500);
try {
operation.getBackgroundHandle().get(timeout, TimeUnit.MILLISECONDS);
} catch (TimeoutException e) {
// No Op, return to the caller since long polling timeout has expired
LOG.trace(opHandle + ": Long polling timed out");
} catch (CancellationException e) {
// The background operation thread was cancelled
LOG.trace(opHandle + ": The background operation was cancelled", e);
} catch (ExecutionException e) {
// Note: Hive ops do not use the normal Future failure path, so this will not happen
// in case of actual failure; the Future will just be done.
// The background operation thread was aborted
LOG.warn(opHandle + ": The background operation was aborted", e);
} catch (InterruptedException e) {
// No op, this thread was interrupted
// In this case, the call might return sooner than long polling timeout
}
}
OperationStatus opStatus = operation.getStatus();
LOG.debug(opHandle + ": getOperationStatus()");
opStatus.setJobProgressUpdate(progressUpdateLog(getProgressUpdate, operation, conf));
return opStatus;
}
public HiveConf getSessionConf(SessionHandle sessionHandle)
throws HiveSQLException {
return sessionManager.getSession(sessionHandle).getSessionConf();
}
private static final long PROGRESS_MAX_WAIT_NS = 30 * 1000000000l;
private JobProgressUpdate progressUpdateLog(boolean isProgressLogRequested, Operation operation, HiveConf conf) {
if (!isProgressLogRequested || !ServiceUtils.canProvideProgressLog(conf)
|| !OperationType.EXECUTE_STATEMENT.equals(operation.getType())) {
return new JobProgressUpdate(ProgressMonitor.NULL);
}
SessionState sessionState = operation.getParentSession().getSessionState();
long startTime = System.nanoTime();
int timeOutMs = 8;
try {
while (sessionState.getProgressMonitor() == null && !operation.isDone()) {
long remainingMs = (PROGRESS_MAX_WAIT_NS - (System.nanoTime() - startTime)) / 1000000l;
if (remainingMs <= 0) {
LOG.debug("timed out and hence returning progress log as NULL");
return new JobProgressUpdate(ProgressMonitor.NULL);
}
Thread.sleep(Math.min(remainingMs, timeOutMs));
timeOutMs <<= 1;
}
} catch (InterruptedException e) {
LOG.warn("Error while getting progress update", e);
}
ProgressMonitor pm = sessionState.getProgressMonitor();
return new JobProgressUpdate(pm != null ? pm : ProgressMonitor.NULL);
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#cancelOperation(org.apache.hive.service.cli.OperationHandle)
*/
@Override
public void cancelOperation(OperationHandle opHandle)
throws HiveSQLException {
sessionManager.getOperationManager().getOperation(opHandle)
.getParentSession().cancelOperation(opHandle);
LOG.debug(opHandle + ": cancelOperation()");
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#closeOperation(org.apache.hive.service.cli.OperationHandle)
*/
@Override
public void closeOperation(OperationHandle opHandle)
throws HiveSQLException {
sessionManager.getOperationManager().getOperation(opHandle)
.getParentSession().closeOperation(opHandle);
LOG.debug(opHandle + ": closeOperation");
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#getResultSetMetadata(org.apache.hive.service.cli.OperationHandle)
*/
@Override
public TableSchema getResultSetMetadata(OperationHandle opHandle)
throws HiveSQLException {
TableSchema tableSchema = sessionManager.getOperationManager()
.getOperation(opHandle).getParentSession().getResultSetMetadata(opHandle);
LOG.debug(opHandle + ": getResultSetMetadata()");
return tableSchema;
}
/* (non-Javadoc)
* @see org.apache.hive.service.cli.ICLIService#fetchResults(org.apache.hive.service.cli.OperationHandle)
*/
@Override
public RowSet fetchResults(OperationHandle opHandle)
throws HiveSQLException {
return fetchResults(opHandle, Operation.DEFAULT_FETCH_ORIENTATION,
defaultFetchRows, FetchType.QUERY_OUTPUT);
}
@Override
public RowSet fetchResults(OperationHandle opHandle, FetchOrientation orientation,
long maxRows, FetchType fetchType) throws HiveSQLException {
RowSet rowSet = sessionManager.getOperationManager().getOperation(opHandle)
.getParentSession().fetchResults(opHandle, orientation, maxRows, fetchType);
LOG.debug(opHandle + ": fetchResults()");
return rowSet;
}
// obtain delegation token for the give user from metastore
public synchronized String getDelegationTokenFromMetaStore(String owner)
throws HiveSQLException, UnsupportedOperationException, LoginException, IOException {
if (!hiveConf.getBoolVar(HiveConf.ConfVars.METASTORE_USE_THRIFT_SASL) ||
!hiveConf.getBoolVar(HiveConf.ConfVars.HIVE_SERVER2_ENABLE_DOAS)) {
throw new UnsupportedOperationException(
"delegation token is can only be obtained for a secure remote metastore");
}
try {
Hive.closeCurrent();
return Hive.get(hiveConf).getDelegationToken(owner, owner);
} catch (HiveException e) {
if (e.getCause() instanceof UnsupportedOperationException) {
throw (UnsupportedOperationException)e.getCause();
} else {
throw new HiveSQLException("Error connect metastore to setup impersonation", e);
}
}
}
@Override
public String getDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
String owner, String renewer) throws HiveSQLException {
String delegationToken = sessionManager.getSession(sessionHandle).
getDelegationToken(authFactory, owner, renewer);
LOG.info(sessionHandle + ": getDelegationToken()" + " owner: " + owner + ", renewer: " + renewer);
return delegationToken;
}
@Override
public void setApplicationName(SessionHandle sh, String value) throws HiveSQLException {
sessionManager.getSession(sh).setApplicationName(value);
}
@Override
public void cancelDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
String tokenStr) throws HiveSQLException {
sessionManager.getSession(sessionHandle).
cancelDelegationToken(authFactory, tokenStr);
LOG.info(sessionHandle + ": cancelDelegationToken()");
}
@Override
public void renewDelegationToken(SessionHandle sessionHandle, HiveAuthFactory authFactory,
String tokenStr) throws HiveSQLException {
sessionManager.getSession(sessionHandle).renewDelegationToken(authFactory, tokenStr);
LOG.info(sessionHandle + ": renewDelegationToken()");
}
@Override
public String getQueryId(TOperationHandle opHandle) throws HiveSQLException {
Operation operation = sessionManager.getOperationManager().getOperation(
new OperationHandle(opHandle));
final String queryId = operation.getParentSession().getHiveConf().getVar(ConfVars.HIVEQUERYID);
LOG.debug(opHandle + ": getQueryId() " + queryId);
return queryId;
}
public SessionManager getSessionManager() {
return sessionManager;
}
}
