clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add test: GCD codec real compression path (gcd_multiplier > 1) untested for any data type
- Update Table Engine permissions for external sources
- Fix too many optimizations 101693
- Bypass index uncompressed cache when its size is zero
- Improve canceling queries with url() function
- UNIQUE KEY: DDL, metadata, and policy gates (1/N)
- Fix flaky test_s3_cluster: scope generated CSV dir per xdist worker
- Refreshable MV: avoid duplicate refresh on brief keeper connection loss
- Removed enabled column in system.failpoints system table
- Make query_plan_use_logical_join_step setting obsolete
- Docs
- C++ not yet supported