clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix: Extend system.query_log with a column used_index_types #101673
- SEGV / LOGICAL_ERROR when materialized CTE is used in IN subquery of another materialized CTE referenced in a join
- createLightweightDeleteCommand does not copy mutation_version from source command
- Add AvroConfluent output format
- Flaky test: 04075_analyzer_inline_view_subcolumns
- MemorySanitizer: use-of-uninitialized-value (STID: 2410-488a)
- Fix unhandled exception in executable table function for invalid escape sequences
- Greedy startsWith prefix matching causes literal values starting with 'from_env'/'from_zk' to be misinterpreted as substitution directives
- intDivOrNull/moduloOrNull null map only checks b==0, misses INT_MIN/-1 FPE case
- sparseGrams ignores max_ngram_length when min_cutoff_length (4th arg) is provided
- Docs
- C++ not yet supported