clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Backport #72261 to 24.3: Fix `ALTER DELETE` queries with materialized `_block_number` column
- Backport #72261 to 24.8: Fix `ALTER DELETE` queries with materialized `_block_number` column
- Replicated fetches cannot make forward progress under intermittent packet loss
- PR: parallel_replicas_for_non_replicated_merge_tree in subqueries
- Enable parallel replicas CI configuration for stateless tests
- enable IfExists remove file for BackupWriterS3
- Backport #73548 to 24.10: Fix `optimize_function_to_subcolumns` for `tupleElement` in corner case
- Allow changing CollapsingMergeTree implicit sign constraint and turn it on by default
- Function `isNullOrEmpty()`
- Ability to configure LDAP Client network timeouts
- Docs
- C++ not yet supported