clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add KQL conformance tests from open-source implementations
- pointwiseMultiply uses lhs.fraction_bit_num to index rhs data_array, wrong when bit configs differ
- [CI crash] Failed to create empty part during partition drop
- numLeftRowsForNextBlock: std::min(0, bytes/avg) always yields 0 when max_joined_block_rows=0
- TimeNode only handles isUInt64() but JSON parser returns Int64 for positive integers
- CaseInsensitive JSONExtract functions perform case-SENSITIVE matching on JSON Object type columns
- retrieveAccessToken crashes with std::bad_function_call when oauth_server_use_request_body=false
- Logical error: Can't extract iceberg table state from storage snapshot for table location A (STID: 2606-4a47)
- Server died
- refreshDataParts catch block missing scheduleAfter causes permanent task death on transient error
- Docs
- C++ not yet supported