clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- MergeTree: more efficient read operations for small data volumes
- Low uniqMerge performance issue in Materialized aggregatingMergetree
- Why I do not need SELECT on all source tables to select from mv with PASTE JOIN
- Add CTE support to UDF
- Add ENUM support to WITH FILL
- If you query a directory with s3 or file-like engines, it should be identical to querying `*` inside it.
- EXCHANGE TABLE is possible between table and view.
- Query with hundreds of selected columns is eating up memory
- Improve usability of clickhouse-keeper-client
- Add sql syntax highlight to http /play endpoint
- Docs
- C++ not yet supported