clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix CTEs and views in parallel-replicas `INSERT SELECT`
- Keep lambda scope when recomputing a MATERIALIZED column in mutations
- Parse small JSON documents without heap allocations when simdjson is disabled
- Honor `SET ROLE` in row policies of remote reads over a cluster without a secret
- Docs: clarify `ngramSearch` scoring
- Fix(Web UI): Use headers for scripted query authentication
- Add OpenTelemetry spans for the fragment DAG of a distributed plan on the initiator
- `ARRAY JOIN r.col` drops the `*` join qualifier; same-named columns collide
- system.s3_queue_settings.changed is 0 for legacy s3queue_ prefixed settings
- Retry transaction metadata writes in noexcept commit and rollback
- Docs
- C++ not yet supported