clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Convert an Enum constant to its name, not its number, when comparing with a String column
- Do not read-and-discard the archive prefix when reading a packed part member
- Fix ATTACH TABLE ... FROM leaking a table on an occupied destination
- Analyzer: keep column alias lists across a query tree round-trip
- Add offline detector of intersecting MergeTree data parts
- Honour query cancellation inside one `IRowInputFormat::read` block
- Add a regression test for the declared type of `identity` for `Variant`
- Fix deadlock on concurrent resolution of one Filesystem or HDFS table
- Correlated aggregate subquery result multiplied by outer row multiplicity when the correlated predicate is not a plain equality (default config)
- Rewrite simple one-instance integration tests as functional tests
- Docs
- C++ not yet supported