clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Improvement: allow `INSERT .. SELECT .. FROM input()` in async insert
- clickhouse client --login device-code flow assumes Auth0-style endpoint paths, breaks with other IDPs
- Proposal: Add a system.health_checks table for operational health summaries
- Detect cyclic DEFAULT chains through tuple subcolumn references
- Skip default-user password setup on install when default user is removed
- Revert "#107442: Fix recursive MSan report in HandledSignals::reset on shutdown"
- EXPLAIN SYNTAX: return the pretty-printed query as a single multi-line record
- Logical error: Got read request from replica A for unknown stream B. (STID: 5217-5b3d)
- Unify the two disk-spilling hash-join paths: make `SpillingHashJoin` the single implementation
- Smarter default for `grace_hash_join_initial_buckets`: seed bucket count from the size estimate
- Docs
- C++ not yet supported