| /* |
| * 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. |
| */ |
| #include <fstream> |
| #include <iostream> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <boost/thread.hpp> |
| #include <boost/algorithm/string/join.hpp> |
| #include "drill/drillc.hpp" |
| |
| struct Option{ |
| char name[32]; |
| char desc[128]; |
| bool required; |
| } qsOptions[] = { |
| {"plan", "Plan files separated by semicolons", false}, |
| {"query", "Query strings, separated by semicolons", false}, |
| {"type", "Query type [physical|logical|sql|server]", true}, |
| {"connectStr", "Connect string", true}, |
| {"schema", "Default schema", false}, |
| {"api", "API type [sync|async|meta]", true}, |
| {"logLevel", "Logging level [trace|debug|info|warn|error|fatal]", false}, |
| {"testCancel", "Cancel the query after the first record batch.", false}, |
| {"syncSend", "Send query only after previous result is received", false}, |
| {"hshakeTimeout", "Handshake timeout (second).", false}, |
| {"queryTimeout", "Query timeout (second).", false}, |
| {"heartbeatFrequency", "Heartbeat frequency (second). Disabled if set to 0.", false}, |
| {"user", "Username", false}, |
| {"password", "Password", false}, |
| {"saslPluginPath", "Path to where SASL plugins are installed", false}, |
| {"service_host", "Service host for Kerberos", false}, |
| {"service_name", "Service name for Kerberos", false}, |
| {"auth", "Authentication mechanism to use", false}, |
| {"sasl_encrypt", "Negotiate for encrypted connection", false}, |
| {"enableSSL", "Enable SSL", false}, |
| {"TLSProtocol", "TLS protocol version", false}, |
| {"certFilePath", "Path to SSL certificate file", false}, |
| {"disableHostnameVerification", "disable host name verification", false}, |
| {"disableCertVerification", "disable certificate verification", false}, |
| {"useSystemTrustStore", "[Windows only]. Use the system truststore.", false}, |
| {"CustomSSLCtxOptions", "The custom SSL CTX Options", false}, |
| {"supportComplexTypes", "Toggle for supporting complex types", false}, |
| {"hostnameOverride", "Override the SSL server hostname", false} |
| }; |
| |
| std::map<std::string, std::string> qsOptionValues; |
| |
| bool bTestCancel=false; |
| bool bSyncSend=false; |
| |
| |
| Drill::status_t SchemaListener(void* ctx, Drill::FieldDefPtr fields, Drill::DrillClientError* err){ |
| if(!err){ |
| std::cout<< "SCHEMA CHANGE DETECTED:" << std::endl; |
| for(size_t i=0; i<fields->size(); i++){ |
| std::string name= fields->at(i)->getName(); |
| std::cout << name << "\t"; |
| } |
| std::cout << std::endl; |
| return Drill::QRY_SUCCESS ; |
| }else{ |
| std::cerr<< "ERROR: " << err->msg << std::endl; |
| return Drill::QRY_FAILURE; |
| } |
| } |
| |
| boost::mutex listenerMutex; |
| Drill::status_t QueryResultsListener(void* ctx, Drill::RecordBatch* b, Drill::DrillClientError* err){ |
| // Invariant: |
| // (received an record batch and err is NULL) |
| // or |
| // (received query state message passed by `err` and b is NULL) |
| boost::lock_guard<boost::mutex> listenerLock(listenerMutex); |
| if(!err){ |
| if(b!=NULL){ |
| b->print(std::cout, 0); // print all rows |
| std::cout << "DATA RECEIVED ..." << std::endl; |
| delete b; // we're done with this batch, we can delete it |
| if(bTestCancel){ |
| return Drill::QRY_FAILURE; |
| }else{ |
| return Drill::QRY_SUCCESS ; |
| } |
| }else{ |
| std::cout << "Query Complete." << std::endl; |
| return Drill::QRY_SUCCESS; |
| } |
| }else{ |
| assert(b==NULL); |
| switch(err->status) { |
| case Drill::QRY_COMPLETED: |
| case Drill::QRY_CANCELED: |
| std::cerr<< "INFO: " << err->msg << std::endl; |
| return Drill::QRY_SUCCESS; |
| default: |
| std::cerr<< "ERROR: " << err->msg << std::endl; |
| return Drill::QRY_FAILURE; |
| } |
| } |
| } |
| |
| void print(const Drill::FieldMetadata* pFieldMetadata, void* buf, size_t sz){ |
| common::MinorType type = pFieldMetadata->getMinorType(); |
| common::DataMode mode = pFieldMetadata->getDataMode(); |
| unsigned char printBuffer[10240]; |
| memset(printBuffer, 0, sizeof(printBuffer)); |
| switch (type) { |
| case common::BIGINT: |
| switch (mode) { |
| case common::DM_REQUIRED: |
| sprintf((char*)printBuffer, "%lld", *(uint64_t*)buf); |
| break; |
| case common::DM_OPTIONAL: |
| break; |
| case common::DM_REPEATED: |
| break; |
| } |
| break; |
| case common::VARBINARY: |
| switch (mode) { |
| case common::DM_REQUIRED: |
| memcpy(printBuffer, buf, sz); |
| break; |
| case common::DM_OPTIONAL: |
| break; |
| case common::DM_REPEATED: |
| break; |
| } |
| break; |
| case common::VARCHAR: |
| switch (mode) { |
| case common::DM_REQUIRED: |
| memcpy(printBuffer, buf, sz); |
| break; |
| case common::DM_OPTIONAL: |
| break; |
| case common::DM_REPEATED: |
| break; |
| } |
| break; |
| default: |
| //memcpy(printBuffer, buf, sz); |
| sprintf((char*)printBuffer, "NIY"); |
| break; |
| } |
| printf("%s\t", (char*)printBuffer); |
| return; |
| } |
| |
| void printUsage(){ |
| std::cerr<<"Usage: querySubmitter "; |
| for(int j=0; j<sizeof(qsOptions)/sizeof(qsOptions[0]) ;j++){ |
| std::cerr<< " "<< qsOptions[j].name <<"=" << "[" <<qsOptions[j].desc <<"]" ; |
| } |
| std::cerr<<std::endl; |
| } |
| |
| int parseArgs(int argc, char* argv[]){ |
| bool error=false; |
| for(int i=1; i<argc; i++){ |
| char*a =argv[i]; |
| char* o=strtok(a, "="); |
| char*v=strtok(NULL, ""); |
| |
| bool found=false; |
| for(int j=0; j<sizeof(qsOptions)/sizeof(qsOptions[0]) ;j++){ |
| if(!strcmp(qsOptions[j].name, o)){ |
| found=true; break; |
| } |
| } |
| if(!found){ |
| std::cerr<< "Unknown option:"<< o <<". Ignoring" << std::endl; |
| continue; |
| } |
| |
| if(v==NULL){ |
| std::cerr<< ""<< qsOptions[i].name << " [" <<qsOptions[i].desc <<"] " << "requires a parameter." << std::endl; |
| error=true; |
| } |
| qsOptionValues[o]=v; |
| } |
| |
| for(int j=0; j<sizeof(qsOptions)/sizeof(qsOptions[0]) ;j++){ |
| if(qsOptions[j].required ){ |
| if(qsOptionValues.find(qsOptions[j].name) == qsOptionValues.end()){ |
| std::cerr<< ""<< qsOptions[j].name << " [" <<qsOptions[j].desc <<"] " << "is required." << std::endl; |
| error=true; |
| } |
| } |
| } |
| if(error){ |
| printUsage(); |
| exit(1); |
| } |
| return 0; |
| } |
| |
| void parseUrl(std::string& url, std::string& protocol, std::string& host, std::string& port){ |
| char u[1024]; |
| strcpy(u,url.c_str()); |
| char* z=strtok(u, "="); |
| char* h=strtok(NULL, ":"); |
| char* p=strtok(NULL, ":"); |
| protocol=z; host=h; port=p; |
| } |
| |
| std::vector<std::string> &splitString(const std::string& s, char delim, std::vector<std::string>& elems){ |
| std::stringstream ss(s); |
| std::string item; |
| while (std::getline(ss, item, delim)){ |
| elems.push_back(item); |
| } |
| return elems; |
| } |
| |
| int readPlans(const std::string& planList, std::vector<std::string>& plans){ |
| std::vector<std::string> planFiles; |
| std::vector<std::string>::iterator iter; |
| splitString(planList, ';', planFiles); |
| for(iter = planFiles.begin(); iter != planFiles.end(); iter++) { |
| std::ifstream f((*iter).c_str()); |
| std::string plan((std::istreambuf_iterator<char>(f)), (std::istreambuf_iterator<char>())); |
| std::cout << "plan:" << plan << std::endl; |
| plans.push_back(plan); |
| } |
| return 0; |
| } |
| |
| int readQueries(const std::string& queryList, std::vector<std::string>& queries){ |
| splitString(queryList, ';', queries); |
| return 0; |
| } |
| |
| bool validate(const std::string& type, const std::string& query, const std::string& plan){ |
| if (type != "sync" || type != "async") { |
| return true; |
| } |
| if(query.empty() && plan.empty()){ |
| std::cerr<< "Either query or plan must be specified"<<std::endl; |
| return false; } |
| if(type=="physical" || type == "logical" ){ |
| if(plan.empty()){ |
| std::cerr<< "A logical or physical plan must be specified"<<std::endl; |
| return false; |
| } |
| }else |
| if(type=="sql"){ |
| if(query.empty()){ |
| std::cerr<< "A drill SQL query must be specified"<<std::endl; |
| return false; |
| } |
| }else{ |
| std::cerr<< "Unknown query type: "<< type << std::endl; |
| return false; |
| } |
| return true; |
| } |
| |
| Drill::logLevel_t getLogLevel(const char *s){ |
| if(s!=NULL){ |
| if(!strcmp(s, "trace")) return Drill::LOG_TRACE; |
| if(!strcmp(s, "debug")) return Drill::LOG_DEBUG; |
| if(!strcmp(s, "info")) return Drill::LOG_INFO; |
| if(!strcmp(s, "warn")) return Drill::LOG_WARNING; |
| if(!strcmp(s, "error")) return Drill::LOG_ERROR; |
| if(!strcmp(s, "fatal")) return Drill::LOG_FATAL; |
| } |
| return Drill::LOG_ERROR; |
| } |
| |
| int main(int argc, char* argv[]) { |
| try { |
| |
| parseArgs(argc, argv); |
| |
| std::vector<std::string*> queries; |
| |
| std::string connectStr=qsOptionValues["connectStr"]; |
| std::string schema=qsOptionValues["schema"]; |
| std::string queryList=qsOptionValues["query"]; |
| std::string planList=qsOptionValues["plan"]; |
| std::string api=qsOptionValues["api"]; |
| std::string type_str=qsOptionValues["type"]; |
| std::string logLevel=qsOptionValues["logLevel"]; |
| std::string testCancel=qsOptionValues["testCancel"]; |
| std::string syncSend=qsOptionValues["syncSend"]; |
| std::string hshakeTimeout=qsOptionValues["hshakeTimeout"]; |
| std::string queryTimeout=qsOptionValues["queryTimeout"]; |
| std::string heartbeatFrequency=qsOptionValues["heartbeatFrequency"]; |
| std::string user=qsOptionValues["user"]; |
| std::string password=qsOptionValues["password"]; |
| std::string saslPluginPath=qsOptionValues["saslPluginPath"]; |
| std::string sasl_encrypt=qsOptionValues["sasl_encrypt"]; |
| std::string serviceHost=qsOptionValues["service_host"]; |
| std::string serviceName=qsOptionValues["service_name"]; |
| std::string auth=qsOptionValues["auth"]; |
| std::string enableSSL=qsOptionValues["enableSSL"]; |
| std::string tlsProtocol=qsOptionValues["TLSProtocol"]; |
| std::string certFilePath=qsOptionValues["certFilePath"]; |
| std::string disableHostnameVerification=qsOptionValues["disableHostnameVerification"]; |
| std::string disableCertVerification=qsOptionValues["disableCertVerification"]; |
| std::string useSystemTrustStore = qsOptionValues["useSystemTrustStore"]; |
| std::string customSSLOptions = qsOptionValues["CustomSSLCtxOptions"]; |
| std::string supportComplexTypes = qsOptionValues["supportComplexTypes"]; |
| std::string hostnameOverride = qsOptionValues["hostnameOverride"]; |
| |
| Drill::QueryType type; |
| |
| if(!validate(type_str, queryList, planList)){ |
| exit(1); |
| } |
| |
| Drill::logLevel_t l=getLogLevel(logLevel.c_str()); |
| |
| std::vector<std::string> queryInputs; |
| if(type_str=="sql" ){ |
| readQueries(queryList, queryInputs); |
| type=Drill::SQL; |
| }else if(type_str=="physical" ){ |
| readPlans(planList, queryInputs); |
| type=Drill::PHYSICAL; |
| }else if(type_str == "logical"){ |
| readPlans(planList, queryInputs); |
| type=Drill::LOGICAL; |
| }else{ |
| readQueries(queryList, queryInputs); |
| type=Drill::SQL; |
| } |
| |
| bTestCancel = !strcmp(testCancel.c_str(), "true")?true:false; |
| bSyncSend = !strcmp(syncSend.c_str(), "true")?true:false; |
| |
| std::vector<std::string>::iterator queryInpIter; |
| |
| std::vector<Drill::RecordIterator*> recordIterators; |
| std::vector<Drill::RecordIterator*>::iterator recordIterIter; |
| |
| std::vector<Drill::QueryHandle_t> queryHandles; |
| std::vector<Drill::QueryHandle_t>::iterator queryHandleIter; |
| |
| Drill::DrillClient client; |
| #if defined _WIN32 || defined _WIN64 |
| TCHAR tempPath[MAX_PATH]; |
| GetTempPath(MAX_PATH, tempPath); |
| char logpathPrefix[MAX_PATH + 128]; |
| strcpy(logpathPrefix,tempPath); |
| strcat(logpathPrefix, "\\drillclient"); |
| #else |
| const char* logpathPrefix = "/var/log/drill/drillclient"; |
| #endif |
| // To log to file |
| Drill::DrillClient::initLogging(logpathPrefix, l); |
| // To log to stderr |
| //Drill::DrillClient::initLogging(NULL, l); |
| |
| int nQueries=queryInputs.size(); |
| Drill::DrillClientConfig::setBufferLimit(nQueries*2*1024*1024); // 2MB per query. The size of a record batch may vary, but is unlikely to exceed the 256 MB which is the default. |
| |
| if(!hshakeTimeout.empty()){ |
| Drill::DrillClientConfig::setHandshakeTimeout(atoi(hshakeTimeout.c_str())); |
| } |
| if (!queryTimeout.empty()){ |
| Drill::DrillClientConfig::setQueryTimeout(atoi(queryTimeout.c_str())); |
| } |
| if(!heartbeatFrequency.empty()) { |
| Drill::DrillClientConfig::setHeartbeatFrequency(atoi(heartbeatFrequency.c_str())); |
| } |
| if (!saslPluginPath.empty()){ |
| Drill::DrillClientConfig::setSaslPluginPath(saslPluginPath.c_str()); |
| } |
| |
| Drill::DrillUserProperties props; |
| if(schema.length()>0){ |
| props.setProperty(USERPROP_SCHEMA, schema); |
| } |
| if(user.length()>0){ |
| props.setProperty(USERPROP_USERNAME, user); |
| } |
| if(password.length()>0){ |
| props.setProperty(USERPROP_PASSWORD, password); |
| } |
| if(sasl_encrypt.length()>0){ |
| props.setProperty(USERPROP_SASL_ENCRYPT, sasl_encrypt); |
| } |
| if(serviceHost.length()>0){ |
| props.setProperty(USERPROP_SERVICE_HOST, serviceHost); |
| } |
| if(serviceName.length()>0){ |
| props.setProperty(USERPROP_SERVICE_NAME, serviceName); |
| } |
| if(auth.length()>0){ |
| props.setProperty(USERPROP_AUTH_MECHANISM, auth); |
| } |
| if(enableSSL.length()>0){ |
| props.setProperty(USERPROP_USESSL, enableSSL); |
| if (enableSSL == "true" && certFilePath.length() <= 0 && useSystemTrustStore.length() <= 0){ |
| std::cerr<< "SSL is enabled but no certificate or truststore provided. " << std::endl; |
| return -1; |
| } |
| props.setProperty(USERPROP_TLSPROTOCOL, tlsProtocol); |
| props.setProperty(USERPROP_CERTFILEPATH, certFilePath); |
| props.setProperty(USERPROP_DISABLE_HOSTVERIFICATION, disableHostnameVerification); |
| props.setProperty(USERPROP_DISABLE_CERTVERIFICATION, disableCertVerification); |
| if (useSystemTrustStore.length() > 0){ |
| props.setProperty(USERPROP_USESYSTEMTRUSTSTORE, useSystemTrustStore); |
| } |
| if (customSSLOptions.length() > 0){ |
| props.setProperty(USERPROP_CUSTOM_SSLCTXOPTIONS, customSSLOptions); |
| } |
| } |
| if (supportComplexTypes.length() > 0){ |
| props.setProperty(USERPROP_SUPPORT_COMPLEX_TYPES, supportComplexTypes); |
| } |
| if (hostnameOverride.length() > 0) { |
| props.setProperty(USERPROP_HOSTNAME_OVERRIDE, hostnameOverride); |
| } |
| |
| if(client.connect(connectStr.c_str(), &props)!=Drill::CONN_SUCCESS){ |
| std::cerr<< "Failed to connect with error: "<< client.getError() << " (Using:"<<connectStr<<")"<<std::endl; |
| return -1; |
| } |
| std::cout<< "Connected!\n" << std::endl; |
| if(api=="meta") { |
| Drill::Metadata* metadata = client.getMetadata(); |
| if (metadata) { |
| std::cout << "Connector:" << std::endl; |
| std::cout << "\tname:" << metadata->getConnectorName() << std::endl; |
| std::cout << "\tversion:" << metadata->getConnectorVersion() << std::endl; |
| std::cout << std::endl; |
| std::cout << "Server:" << std::endl; |
| std::cout << "\tname:" << metadata->getServerName() << std::endl; |
| std::cout << "\tversion:" << metadata->getServerVersion() << std::endl; |
| std::cout << std::endl; |
| std::cout << "Metadata:" << std::endl; |
| std::cout << "\tall tables are selectable: " << metadata->areAllTableSelectable() << std::endl; |
| std::cout << "\tcatalog separator: " << metadata->getCatalogSeparator() << std::endl; |
| std::cout << "\tcatalog term: " << metadata->getCatalogTerm() << std::endl; |
| std::cout << "\tCOLLATE support: " << metadata->getCollateSupport() << std::endl; |
| std::cout << "\tcorrelation names: " << metadata->getCorrelationNames() << std::endl; |
| std::cout << "\tdate time functions: " << boost::algorithm::join(metadata->getDateTimeFunctions(), ", ") << std::endl; |
| std::cout << "\tdate time literals support: " << metadata->getDateTimeLiteralsSupport() << std::endl; |
| std::cout << "\tGROUP BY support: " << metadata->getGroupBySupport() << std::endl; |
| std::cout << "\tidentifier case: " << metadata->getIdentifierCase() << std::endl; |
| std::cout << "\tidentifier quote string: " << metadata->getIdentifierQuoteString() << std::endl; |
| std::cout << "\tmax binary literal length: " << metadata->getMaxBinaryLiteralLength() << std::endl; |
| std::cout << "\tmax catalog name length: " << metadata->getMaxCatalogNameLength() << std::endl; |
| std::cout << "\tmax char literal length: " << metadata->getMaxCharLiteralLength() << std::endl; |
| std::cout << "\tmax column name length: " << metadata->getMaxColumnNameLength() << std::endl; |
| std::cout << "\tmax columns in GROUP BY: " << metadata->getMaxColumnsInGroupBy() << std::endl; |
| std::cout << "\tmax columns in ORDER BY: " << metadata->getMaxColumnsInOrderBy() << std::endl; |
| std::cout << "\tmax columns in SELECT: " << metadata->getMaxColumnsInSelect() << std::endl; |
| std::cout << "\tmax cursor name length: " << metadata->getMaxCursorNameLength() << std::endl; |
| std::cout << "\tmax logical lob size: " << metadata->getMaxLogicalLobSize() << std::endl; |
| std::cout << "\tmax row size: " << metadata->getMaxRowSize() << std::endl; |
| std::cout << "\tmax schema name length: " << metadata->getMaxSchemaNameLength() << std::endl; |
| std::cout << "\tmax statement length: " << metadata->getMaxStatementLength() << std::endl; |
| std::cout << "\tmax statements: " << metadata->getMaxStatements() << std::endl; |
| std::cout << "\tmax table name length: " << metadata->getMaxTableNameLength() << std::endl; |
| std::cout << "\tmax tables in SELECT: " << metadata->getMaxTablesInSelect() << std::endl; |
| std::cout << "\tmax user name length: " << metadata->getMaxUserNameLength() << std::endl; |
| std::cout << "\tNULL collation: " << metadata->getNullCollation() << std::endl; |
| std::cout << "\tnumeric functions: " << boost::algorithm::join(metadata->getNumericFunctions(), ", ") << std::endl; |
| std::cout << "\tOUTER JOIN support: " << metadata->getOuterJoinSupport() << std::endl; |
| std::cout << "\tquoted identifier case: " << metadata->getQuotedIdentifierCase() << std::endl; |
| std::cout << "\tSQL keywords: " << boost::algorithm::join(metadata->getSQLKeywords(), ",") << std::endl; |
| std::cout << "\tschema term: " << metadata->getSchemaTerm() << std::endl; |
| std::cout << "\tsearch escape string: " << metadata->getSearchEscapeString() << std::endl; |
| std::cout << "\tspecial characters: " << metadata->getSpecialCharacters() << std::endl; |
| std::cout << "\tstring functions: " << boost::algorithm::join(metadata->getStringFunctions(), ",") << std::endl; |
| std::cout << "\tsub query support: " << metadata->getSubQuerySupport() << std::endl; |
| std::cout << "\tsystem functions: " << boost::algorithm::join(metadata->getSystemFunctions(), ",") << std::endl; |
| std::cout << "\ttable term: " << metadata->getTableTerm() << std::endl; |
| std::cout << "\tUNION support: " << metadata->getUnionSupport() << std::endl; |
| std::cout << "\tBLOB included in max row size: " << metadata->isBlobIncludedInMaxRowSize() << std::endl; |
| std::cout << "\tcatalog at start: " << metadata->isCatalogAtStart() << std::endl; |
| std::cout << "\tcolumn aliasing supported: " << metadata->isColumnAliasingSupported() << std::endl; |
| std::cout << "\tLIKE escape clause supported: " << metadata->isLikeEscapeClauseSupported() << std::endl; |
| std::cout << "\tNULL plus non NULL equals to NULL: " << metadata->isNullPlusNonNullNull() << std::endl; |
| std::cout << "\tread-only: " << metadata->isReadOnly() << std::endl; |
| std::cout << "\tSELECT FOR UPDATE supported: " << metadata->isSelectForUpdateSupported() << std::endl; |
| std::cout << "\ttransaction supported: " << metadata->isTransactionSupported() << std::endl; |
| std::cout << "\tunrelated columns in ORDER BY supported: " << metadata->isUnrelatedColumnsInOrderBySupported() << std::endl; |
| |
| client.freeMetadata(&metadata); |
| } else { |
| std::cerr << "Cannot get metadata:" << client.getError() << std::endl; |
| } |
| } else if(api=="sync"){ |
| Drill::DrillClientError* err=NULL; |
| Drill::status_t ret; |
| int nQueries=0; |
| for(queryInpIter = queryInputs.begin(); queryInpIter != queryInputs.end(); queryInpIter++) { |
| Drill::RecordIterator* pRecIter = client.submitQuery(type, *queryInpIter, err); |
| if(pRecIter!=NULL){ |
| recordIterators.push_back(pRecIter); |
| nQueries++; |
| } |
| } |
| Drill::DrillClientConfig::setBufferLimit(nQueries*2*1024*1024); // 2MB per query. Allows us to hold at least two record batches. |
| size_t row=0; |
| for(recordIterIter = recordIterators.begin(); recordIterIter != recordIterators.end(); recordIterIter++) { |
| // get fields. |
| row=0; |
| Drill::RecordIterator* pRecIter=*recordIterIter; |
| Drill::FieldDefPtr fields= pRecIter->getColDefs(); |
| while((ret=pRecIter->next()), (ret==Drill::QRY_SUCCESS || ret==Drill::QRY_SUCCESS_WITH_INFO) && !pRecIter->hasError()){ |
| fields = pRecIter->getColDefs(); |
| row++; |
| if( (ret==Drill::QRY_SUCCESS_WITH_INFO && pRecIter->hasSchemaChanged() )|| ( row%100==1)){ |
| for(size_t i=0; i<fields->size(); i++){ |
| std::string name= fields->at(i)->getName(); |
| printf("%s\t", name.c_str()); |
| } |
| printf("\n"); |
| } |
| printf("ROW: %ld\t", row); |
| for(size_t i=0; i<fields->size(); i++){ |
| void* pBuf; size_t sz; |
| pRecIter->getCol(i, &pBuf, &sz); |
| print(fields->at(i), pBuf, sz); |
| } |
| printf("\n"); |
| if(bTestCancel && row%100==1){ |
| pRecIter->cancel(); |
| printf("Application cancelled the query.\n"); |
| } |
| } |
| if(ret!=Drill::QRY_NO_MORE_DATA && ret!=Drill::QRY_CANCEL){ |
| std::cerr<< pRecIter->getError() << std::endl; |
| } |
| client.freeQueryIterator(&pRecIter); |
| } |
| client.waitForResults(); |
| }else{ |
| if(bSyncSend){ |
| for(queryInpIter = queryInputs.begin(); queryInpIter != queryInputs.end(); queryInpIter++) { |
| Drill::QueryHandle_t qryHandle; |
| client.submitQuery(type, *queryInpIter, QueryResultsListener, NULL, &qryHandle); |
| client.registerSchemaChangeListener(&qryHandle, SchemaListener); |
| |
| if(bTestCancel) { |
| // Send cancellation request after 5seconds |
| boost::this_thread::sleep(boost::posix_time::milliseconds(1000)); |
| std::cout<< "\n Cancelling query: " << *queryInpIter << "\n" << std::endl; |
| client.cancelQuery(qryHandle); |
| } else { |
| client.waitForResults(); |
| } |
| |
| client.freeQueryResources(&qryHandle); |
| } |
| |
| }else{ |
| for(queryInpIter = queryInputs.begin(); queryInpIter != queryInputs.end(); queryInpIter++) { |
| Drill::QueryHandle_t qryHandle; |
| client.submitQuery(type, *queryInpIter, QueryResultsListener, NULL, &qryHandle); |
| client.registerSchemaChangeListener(&qryHandle, SchemaListener); |
| queryHandles.push_back(qryHandle); |
| } |
| client.waitForResults(); |
| for(queryHandleIter = queryHandles.begin(); queryHandleIter != queryHandles.end(); queryHandleIter++) { |
| client.freeQueryResources(&*queryHandleIter); |
| } |
| } |
| } |
| client.close(); |
| } catch (std::exception& e) { |
| std::cerr << e.what() << std::endl; |
| } |
| |
| return 0; |
| } |
| |
