clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- A view column declared DateTime('UTC') over a DateTime column is returned in the session's time zone, while toTypeName says UTC
- INSERT VALUES silently replaces nested array with default when a negative number is inserted into an unsigned type; other formats throw
- Docs: fix h3GetResolution documentation on invalid input behavior
- Text index: speed up the pfor posting list codec
- Iceberg `OPTIMIZE TABLE` aborts the server with `LOGICAL_ERROR` ("partition arity mismatch: 0 partition columns but 1 values") after a `DELETE` empties an identity partition
- Fix unbounded JIT memory growth with distinct literals
- Rewrite INTERSECT ALL and EXCEPT ALL to JOIN
- Check memory limit after reading or copying aggregate function states
- Harden Rust code: stack protector, overflow checks, rebuilt std
- Do not skip a shard that raises UNKNOWN_TABLE / UNKNOWN_DATABASE under the default `skip_unavailable_shards_mode`
- Docs
- C++ not yet supported