clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix LOGICAL_ERROR for Nothing-typed JOIN ON residual predicate
- Fix Invalid number of rows in Chunk in JoiningTransform with additional join filter
- Fix Bad cast in StatisticsUniq::build on column nullability mismatch
- Restrict server-managed S3 credentials in user queries (chokepoint, alternative to #104889)
- Stress test 'px != 0' residual: loadOutdatedDataParts terminate on transient MEMORY_LIMIT_EXCEEDED
- High amount of used RAM
- replaceRegexpOne() Does not set the "s" flag on regular expressions
- Legacy analyzer: cross_to_inner_join_rewrite fails with INVALID_JOIN_ON_EXPRESSION on CROSS JOIN + WHERE col = (scalar subquery)
- WASM UDF api/functions to interact with (zoo)keeper
- parallel_view_processing behaviour change after 25.5 is not reflected in docs
- Docs
- C++ not yet supported