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ClickHouse® is a real-time analytics DBMS
c78b94bed6
It is possible to have incorrect types there in case of index contains
functions, add a proper check after value had been changed.
<details>
<summary>MSan report</summary>
```
==182==WARNING: MemorySanitizer: use-of-uninitialized-value
0 0x55658547c59e in DB::MergeTreeConditionInverted::traverseASTEquals() build_docker/./src/Storages/MergeTree/MergeTreeIndexInverted.cpp:551:26
1 0x556585475566 in DB::MergeTreeConditionInverted::traverseAtomAST() build_docker/./src/Storages/MergeTree/MergeTreeIndexInverted.cpp:438:21
2 0x55658547e73e in DB::MergeTreeConditionInverted::MergeTreeConditionInverted()::$_1::operator()(DB::RPNBuilderTreeNode const&, DB::MergeTreeConditionInverted::RPNElement&) const build_docker/./src/Storages/MergeTree/MergeTreeIndexInverted.cpp:228:73
9 0x556585489e35 in DB::RPNBuilder<DB::MergeTreeConditionInverted::RPNElement>::traverseTree(DB::RPNBuilderTreeNode const&) build_docker/./src/Storages/MergeTree/RPNBuilder.h:252:14
10 0x556585489921 in DB::RPNBuilder<DB::MergeTreeConditionInverted::RPNElement>::traverseTree(DB::RPNBuilderTreeNode const&) build_docker/./src/Storages/MergeTree/RPNBuilder.h:239:21
11 0x556585489921 in DB::RPNBuilder<DB::MergeTreeConditionInverted::RPNElement>::traverseTree(DB::RPNBuilderTreeNode const&) build_docker/./src/Storages/MergeTree/RPNBuilder.h:239:21
12 0x5565854804e6 in DB::RPNBuilder<DB::MergeTreeConditionInverted::RPNElement>::RPNBuilder(std::__1::shared_ptr<DB::IAST> const&, std::__1::shared_ptr<DB::Context const>, DB::Block, std::__1::shared_ptr<DB::PreparedSets>, std::__1::function<bool (DB::RPNBuilderTreeNode const&, DB::MergeTreeConditionInverted::RPNElement&)> const&) build_docker/./src/Storages/MergeTree/RPNBuilder.h:218:9
13 0x55658546fb87 in DB::MergeTreeConditionInverted::MergeTreeConditionInverted(DB::SelectQueryInfo const&, std::__1::shared_ptr<DB::Context const>, DB::Block const&, DB::GinFilterParameters const&, DB::ITokenExtractor const*) build_docker/./src/Storages/MergeTree/MergeTreeIndexInverted.cpp:223:28
19 0x55658547ceda in DB::MergeTreeIndexInverted::createIndexCondition(DB::SelectQueryInfo const&, std::__1::shared_ptr<DB::Context const>) const build_docker/./src/Storages/MergeTree/MergeTreeIndexInverted.cpp:716:12
20 0x556587125734 in DB::buildIndexes(std::__1::optional<DB::ReadFromMergeTree::Indexes>&, std::__1::shared_ptr<DB::ActionsDAG>, DB::MergeTreeData const&, std::__1::shared_ptr<DB::Context const> const&, DB::SelectQueryInfo const&, std::__1::shared_ptr<DB::StorageInMemoryMetadata const> const&) build_docker/./src/Processors/QueryPlan/ReadFromMergeTree.cpp:1292:48
21 0x556587121aaa in DB::ReadFromMergeTree::applyFilters() build_docker/./src/Processors/QueryPlan/ReadFromMergeTree.cpp:1305:5
22 0x55658726cf4f in DB::QueryPlanOptimizations::optimizeTreeThirdPass(DB::QueryPlan::Node&, std::__1::list<DB::QueryPlan::Node, std::__1::allocator<DB::QueryPlan::Node>>&) build_docker/./src/Processors/QueryPlan/Optimizations/optimizeTree.cpp:201:38
23 0x5565870bc489 in DB::QueryPlan::optimize(DB::QueryPlanOptimizationSettings const&) build_docker/./src/Processors/QueryPlan/QueryPlan.cpp:485:5
24 0x5565870b919a in DB::QueryPlan::buildQueryPipeline(DB::QueryPlanOptimizationSettings const&, DB::BuildQueryPipelineSettings const&) build_docker/./src/Processors/QueryPlan/QueryPlan.cpp:161:5
25 0x55658206385a in DB::InterpreterSelectWithUnionQuery::execute() build_docker/./src/Interpreters/InterpreterSelectWithUnionQuery.cpp:379:31
26 0x556582c15c50 in DB::executeQueryImpl(char const*, char const*, std::__1::shared_ptr<DB::Context>, bool, DB::QueryProcessingStage::Enum, DB::ReadBuffer*) build_docker/./src/Interpreters/executeQuery.cpp:751:40
27 0x556582c09681 in DB::executeQuery(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>> const&, std::__1::shared_ptr<DB::Context>, bool, DB::QueryProcessingStage::Enum) build_docker/./src/Interpreters/executeQuery.cpp:1173:30
28 0x5565860e7bd7 in DB::TCPHandler::runImpl() build_docker/./src/Server/TCPHandler.cpp:421:24
29 0x556586126e9e in DB::TCPHandler::run() build_docker/./src/Server/TCPHandler.cpp:2057:9
```
</details>
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
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| cmake | ||
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| docker | ||
| docs | ||
| packages | ||
| programs | ||
| rust | ||
| src | ||
| tests | ||
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| .clangd | ||
| .editorconfig | ||
| .exrc | ||
| .git-blame-ignore-revs | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| .pylintrc | ||
| .snyk | ||
| .yamllint | ||
| AUTHORS | ||
| CHANGELOG.md | ||
| CMakeLists.txt | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| format_sources | ||
| LICENSE | ||
| PreLoad.cmake | ||
| README.md | ||
| SECURITY.md | ||
ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real-time.
How To Install (Linux, macOS, FreeBSD)
curl https://clickhouse.com/ | sh
Useful Links
- Official website has a quick high-level overview of ClickHouse on the main page.
- ClickHouse Cloud ClickHouse as a service, built by the creators and maintainers.
- Tutorial shows how to set up and query a small ClickHouse cluster.
- Documentation provides more in-depth information.
- YouTube channel has a lot of content about ClickHouse in video format.
- Slack and Telegram allow chatting with ClickHouse users in real-time.
- Blog contains various ClickHouse-related articles, as well as announcements and reports about events.
- Code Browser (Woboq) with syntax highlighting and navigation.
- Code Browser (github.dev) with syntax highlighting, powered by github.dev.
- Static Analysis (SonarCloud) proposes C++ quality improvements.
- Contacts can help to get your questions answered if there are any.
Upcoming Events
- v23.8 Community Call - Aug 31 - 23.8 is rapidly approaching. Original creator, co-founder, and CTO of ClickHouse Alexey Milovidov will walk us through the highlights of the release.
- ClickHouse & AI - A Meetup in San Francisco - Aug 8
- ClickHouse Meetup in Paris - Sep 12
Also, keep an eye out for upcoming meetups around the world. Somewhere else you want us to be? Please feel free to reach out to tyler clickhouse com.
Recent Recordings
- Recent Meetup Videos: Meetup Playlist Whenever possible recordings of the ClickHouse Community Meetups are edited and presented as individual talks. Current featuring "Modern SQL in 2023", "Fast, Concurrent, and Consistent Asynchronous INSERTS in ClickHouse", and "Full-Text Indices: Design and Experiments"
- Recording available: v23.6 Release Webinar All the features of 23.6, one convenient video! Watch it now!
- All release webinar recordings: YouTube playlist
Interested in joining ClickHouse and making it your full-time job?
We are a globally diverse and distributed team, united behind a common goal of creating industry-leading, real-time analytics. Here, you will have an opportunity to solve some of the most cutting-edge technical challenges and have direct ownership of your work and vision. If you are a contributor by nature, a thinker and a doer - we’ll definitely click!
Check out our current openings here: https://clickhouse.com/company/careers
Cant find what you are looking for, but want to let us know you are interested in joining ClickHouse? Email careers@clickhouse.com!