clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Install lldb in CI Docker images alongside gdb
- Fix `deltaSumTimestamp` returning wrong results for signed integer types crossing zero
- Fix Block structure mismatch on lazy_load_tables=1 during ALTER RENAME COLUMN (#104819)
- Eliminate redundant joins
- Stress test: install thread-pool fault injection after the smoke check passes
- Fix aggregate projection not matched when multiple sumIf use different IN sets
- Vector similarity pk partial filter
- Fix race between ALTER RENAME COLUMN and merge causing data loss (#80648)
- Vector Similarity Index Not Used When Additional ORDER BY Column Is Present
- TRUNCATE TABLE leaves partial state after mid-rename crash on MergeTree
- Docs
- C++ not yet supported