clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Avoid unnecessary computation of String `.size` subcolumn during subcolumns enumeration
- Avoid dynamic cast in ClientApplicationBase interruptSignalHandler
- Allow multiline queries in clickhouse-benchmarks
- Fix exception in arrayRemove when comparing tuples with NULL components
- Squash source blocks before projection calculate to reduce temp parts
- Add testcases for default columns
- Fix SIGSEGV when reading patch parts after ALTER MODIFY COLUMN
- Add more checks for mark access for better diagnostics
- Fix exception when selecting _row_number with other virtual columns
- Fix MSan false positive in fiber stack memory
- Docs
- C++ not yet supported