clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- DO NOT MERGE: run 20 copies of Fast test (arm_darwin) to collect orphan reports
- Apply optimize_functions_to_subcolumns to FINAL queries on ReplacingMergeTree
- Parse the first parallel parsing unit in the reading thread, so a small input starts no threads
- Gather the result of `if` with two small constant branches
- Follow the input order for events that share a timestamp in sequenceMatch, sequenceCount, sequenceMatchEvents and sequenceNextNode
- Fix the filtered Parquet page decoders for a `UInt8` PREWHERE filter with values greater than 1
- Killed `CREATE OR REPLACE` over an existing table still blocks server startup
- Fix flaky test test_nats_jet_stream_skipped_broken_message_is_not_redelivered_after_reconnect
- Fix `FileLog` ignoring the format settings of its `SETTINGS` clause
- Optimize the plan of a sealed view after the outer plan is cloned
- Docs
- C++ not yet supported