这个问题是希望问一下log file的创建过程，正确答案是一段创建log file的Rust 代码。在语义检索结果中，可以看到了有引入log的头文件，以及c++拿到logger的相关代码，但这个问题关键其实是“logfile”这个变量， 我们在混合检索结果的#hybrid 0发现了这个结果，由于混合检索是融合语义检索和全文检索的结果，自然这个结果就是全文检索出来的。除了这个结果，我们可以在#hybrid 2中发现了很多看起来毫无关系的测试mock代码，尤其是这一句“long string to test how those are handled.”， 反复出现，这就需要理解全文检索算法BM25背后的原理了，全文检索是希望匹配到更多的低频词（因为高频词过于普遍了从而降低了用来甄别检索对象的独特性）。假如在大量自然文本中进行统计，很容易统计出“how”是一个非常常见的词，因此在相关性分数中占很低的比例。然而本文中是一个代码数据，并不会在代码中有很多包含“how”的文本，从而让含有这个词的句子被大量检索出来。
GroundTruth
use { crate::args::LogArgs, anyhow::{anyhow, Result}, simplelog::{Config, LevelFilter, WriteLogger}, std::fs::File, };
pub struct Logger;
impl Logger { pub fn init(args: &impl LogArgs) -> Result<()> { let filter: LevelFilter = args.log_level().into(); if filter != LevelFilter::Off { let logfile = File::create(args.log_file()) .map_err(|e| anyhow!("Failed to open log file: {e:}"))?; WriteLogger::init(filter, Config::default(), logfile) .map_err(|e| anyhow!("Failed to initalize logger: {e:}"))?; } Ok(()) } }
语义检索结果：
##dense 0 0.7745316028594971 /* * 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 "logunit.h" #include <log4cxx/logger.h> #include <log4cxx/simplelayout.h> #include <log4cxx/fileappender.h> #include <log4cxx/helpers/absolutetimedateformat.h>
std::string createMessage(int i, Pool & pool) { std::string msg("Message "); msg.append(pool.itoa(i)); return msg; }
void common() { int i = 0;
// In the lines below, the logger names are chosen as an aid in // remembering their level values. In general, the logger names // have no bearing to level values. LoggerPtr ERRlogger = Logger::getLogger(LOG4CXX_TEST_STR("ERR")); ERRlogger->setLevel(Level::getError());
// These should all log.---------------------------- LOG4CXX_FATAL(ERRlogger, createMessage(i, pool)); i++; //0 LOG4CXX_ERROR(ERRlogger, createMessage(i, pool)); i++;
impl Logger { pub fn init(args: &impl LogArgs) -> Result<()> { let filter: LevelFilter = args.log_level().into(); if filter != LevelFilter::Off { let logfile = File::create(args.log_file()) .map_err(|e| anyhow!("Failed to open log file: {e:}"))?; WriteLogger::init(filter, Config::default(), logfile) .map_err(|e| anyhow!("Failed to initalize logger: {e:}"))?; } Ok(()) } }
##hybrid 1 0.016393441706895828 /* * 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 "logunit.h" #include <log4cxx/logger.h> #include <log4cxx/simplelayout.h> #include <log4cxx/fileappender.h> #include <log4cxx/helpers/absolutetimedateformat.h>
##hybrid 2 0.016129031777381897 "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " }; }
std::string createMessage(int i, Pool & pool) { std::string msg("Message "); msg.append(pool.itoa(i)); return msg; }
void common() { int i = 0;
// In the lines below, the logger names are chosen as an aid in // remembering their level values. In general, the logger names // have no bearing to level values. LoggerPtr ERRlogger = Logger::getLogger(LOG4CXX_TEST_STR("ERR")); ERRlogger->setLevel(Level::getError());
##hybrid 4 0.01587301678955555 std::vector<std::string> MakeStrings() { return { "a", "ab", "abc", "abcd", "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. "
use { crate::args::LogArgs, anyhow::{anyhow, Result}, simplelog::{Config, LevelFilter, WriteLogger}, std::fs::File, };
pub struct Logger;
impl Logger { pub fn init(args: &impl LogArgs) -> Result<()> { let filter: LevelFilter = args.log_level().into(); if filter != LevelFilter::Off { let logfile = File::create(args.log_file()) .map_err(|e| anyhow!("Failed to open log file: {e:}"))?; WriteLogger::init(filter, Config::default(), logfile) .map_err(|e| anyhow!("Failed to initalize logger: {e:}"))?; } Ok(()) } }
全文检索结果：
##sparse 0 10.17311954498291 "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " }; }
##sparse 1 9.775702476501465 std::vector<std::string> MakeStrings() { return { "a", "ab", "abc", "abcd", "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. "
##sparse 2 7.638711452484131 // union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and // repetition count ("x{5,7}"), among others. // // Below is the syntax that we do support. We chose it to be a // subset of both PCRE and POSIX extended regex, so it's easy to // learn wherever you come from. In the following: 'A' denotes a // literal character, period (.), or a single \\ escape sequence; // 'x' and 'y' denote regular expressions; 'm' and 'n' are for
##sparse 3 7.1208391189575195 /* * 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 "logunit.h" #include <log4cxx/logger.h> #include <log4cxx/simplelayout.h> #include <log4cxx/fileappender.h> #include <log4cxx/helpers/absolutetimedateformat.h>
##sparse 4 7.066349029541016 /* * 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 <log4cxx/filter/denyallfilter.h> #include <log4cxx/logger.h> #include <log4cxx/spi/filter.h> #include <log4cxx/spi/loggingevent.h> #include "../logunit.h"
impl Logger { pub fn init(args: &impl LogArgs) -> Result<()> { let filter: LevelFilter = args.log_level().into(); if filter != LevelFilter::Off { let logfile = File::create(args.log_file()) .map_err(|e| anyhow!("Failed to open log file: {e:}"))?; WriteLogger::init(filter, Config::default(), logfile) .map_err(|e| anyhow!("Failed to initalize logger: {e:}"))?; } Ok(()) } }
##hybrid 1 0.016393441706895828 "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " }; }
##hybrid 2 0.016129031777381897 std::vector<std::string> MakeStrings() { return { "a", "ab", "abc", "abcd", "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. " "long string to test how those are handled. Here goes more text. "
##hybrid 4 0.01587301678955555 // union ("x|y"), grouping ("(xy)"), brackets ("[xy]"), and // repetition count ("x{5,7}"), among others. // // Below is the syntax that we do support. We chose it to be a // subset of both PCRE and POSIX extended regex, so it's easy to // learn wherever you come from. In the following: 'A' denotes a // literal character, period (.), or a single \\ escape sequence; // 'x' and 'y' denote regular expressions; 'm' and 'n' are for
粤ICP备14082021号
免费POC，
零成本试错
