clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- CSV output strings without double quotes.
- format_custom_null_representation setting
- More Geo functions (UTM, Voronoi diagram, Delaunay triangulation, PIP for multi-polygons)
- ClickHouse doesn't cast function parameters to UDF Argument data type.
- EXPLAIN PLAN runs scalar subqueries completely
- non_replicated_deduplication_window does not respect deduplicate_blocks_in_dependent_materialized_views
- MySQL dictionary: SSL connection error: SSLV3_ALERT_HANDSHAKE_FAILURE ((nullptr):3306)
- Multi-stage proccessing support by rewriting SQL
- Crossref dataset
- Performance issue after upgrade from 20.4.2.9 to 21.11.6.7
- Docs
- C++ not yet supported