clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Contradictions re performance effects of partitioning
- Client-side query runs infinitely without errors, although they exist. Ver. 24.8.8.17
- Getting clickhouse "Session Expired KEEPER_EXCEPTION" On ALL cluster Wide operations.
- IS NULL predicate not correctly processed with DeltaLake table
- DeltaLake Logical error: 'Header does not match write schema. Expected: c0, got: c0.c1'
- MView - Right Way of Selection
- Block structure mismatch in (columns with identical name must have identical structure)
- Coordinated Refreshable MV in Replicated DB fails while using ZooKeeper
- View and Distributed on Iceberg table return different results with DateTime filter when value is string
- Backport #86480 to 25.3: Fix detach/attach for postgres database engine tables with numeric/decimal columns
- Docs
- C++ not yet supported