clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Remove steps with always true predicate from prewhere reading chain
- HTTP interface behaves differently between 'authorisation' header and 'X-Clickhouse-User' headers; notably on quote key
- clickhouse-keeper cluster stops when a second node is started using docker containers
- New command: EVAL
- Implemented SIEVE eviction in cache framework
- Support aes-128-gsm-siv/aes-256-gsm-siv modes for encrypt/decrypt functions
- size of table/part/secondary index is not correct when inverted index is applied
- Dictionaries not updating with expected Max Lifetime
- Enum value can be queried by its underlying numeric value (written as text)
- Add posibility to retry queries to PostgreSQL for PostgreSQL database/table engine
- Docs
- C++ not yet supported