clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- `rewrite_in_to_join` uses `equals` in WHERE losing IN's three-valued NULL logic
- Add more queries to clickhouse-diagnostics
- AWS glue catalog auth should use default provider chain
- `StorageFile` constructor from `FileSource` doesn't transfer `total_bytes_to_read`, breaking progress percentage for `file` queries
- NOT_FOUND_COLUMN_IN_BLOCK with row policies on both Merge table and child table
- Wrong output values in documentation examples for `multiSearchFirstPositionUTF8` and `multiSearchFirstPositionCaseInsensitiveUTF8`
- Allow OAuth token exchange without client_id for REST Iceberg catalog (Snowflake Polaris)
- Shared-ptr copy (not clone) of IN first argument at line 616 causes `NOT_FOUND_COLUMN_IN_BLOCK` for multi-column tuple IN inside IF
- simhash family of functions uses only 32 bits off the 64 bits space
- [CI crash] Failed to locate file in zip archive during backup restore
- Docs
- C++ not yet supported