clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- feat(kafka): sticky partition-to-shard pull ingestion (shard_sticky mode)
- Avoid `Field` in MergeTree index analysis hot path; compare native typed values instead
- Fix BigLake Iceberg table creation inside DataLakeCatalog
- Add per-user filesystem cache disk usage metrics
- Make monotnicity checks but only in debug/asan builds.
- Avoid per-column-reference allocations in FunctionToSubcolumnsPass
- Analyzer: exclude server-constant functions from shared function cache
- Make SelectQueryInfo query AST lazy (deferred materialization)
- Backport #105943 to 26.5: Make cascading materialized views see the row being inserted
- Use exact size of the inserted block for JOIN reordering in incremental materialized views
- Docs
- C++ not yet supported