clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Coerce the constant in the remaining two `bloom_filter` index paths
- Support PromQL over a Distributed table of TimeSeries shards
- AST fuzzer oracle suite (1/4): framework + core correctness oracles
- Reject a `RENAME DATABASE` that would make an `Alias` table cyclic
- Fix the CSV reader not scaling with `input_format_csv_trim_whitespaces = 0`
- JOIN runtime filters index analysis : prune the left side by several key ranges instead of one [min, max]
- Stop claiming injectivity for `toString` of a folding date-time and `toFixedString` of a `String`
- Fix lightweight update pruning of empty partitions
- Make a `LowCardinality` argument transparent to the KQL `/`, `bin` and `bin_at`
- Add a test for a TimeSeries table under Distributed
- Docs
- C++ not yet supported