clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Logical error: Unexpected return type from A. Expected B. Got C. Action: (STID: 1611-4523)
- Set index on an expression: LOGICAL_ERROR "Unexpected return type from equals" when the query's expression has a Nullable operand
- ThreadSanitizer: data race (STID: 2377-33f2)
- Docs: Document ClickStack MCP tools
- Docs: Clarify version reference in `insert_deduplication_version` description
- Iceberg: reading a table fails with ICEBERG_SPECIFICATION_VIOLATION after a column is dropped (regression in 25.11)
- Enable bucket-region cache per catalogs
- Keep the smaller side on the hash join build side when it has no row estimate
- Fix a spurious AST fuzzer abort on a recycled node address
- Fix allow_feature_tier for MergeTree settings
- Docs
- C++ not yet supported