clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Reuse column buffers for Array-typed min/max/any/argMin/argMax states
- Push down catalog filters for system.iceberg_history
- AST fuzzer (arm_asan_ubsan): server dies with SIGSEGV and no sanitizer report while a fuzzed query connects via `remoteSecure` to a loopback address
- [CI crash] Incorrect type cast during serialization
- Do not rewrite a plan that already carries a coordinated read
- Fix a dropped checksum entry when a mutation's rename map is a permutation
- Short-circuit MergeTree analysis for empty PREWHERE sets
- Simplify and optimize building of posting lists in text index [4]
- Do not kill a mutation whose transaction is past its commit point
- Honour `connection_pool_max_wait_ms` and make a pool wait cancellable
- Docs
- C++ not yet supported