clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix wrong result from `optimize_injective_functions_in_group_by` on `toString(x, NULL)`
- Fix the CI infrastructure auto-retry and rerun an infra job in a mixed run
- Fix wrong results when two `DateTime` constants differ only in the time zone
- Iceberg: INSERT of UInt32/UInt64 values above the signed maximum is acked and silently reads back as different, negative values
- Text index with splitByString tokenizer + postprocessor: hasPhrase returns wrong results on every execution path (silent row loss and false positives)
- Text index preprocessor is dropped wherever index analysis does not run (SELECT list, use_skip_indexes = 0) while the tokenizer rewrite still fires — same expression returns different results by position, and disabling skip indexes silently loses rows
- Space-shared memory scheduler: an over-limit reservation evicts lower-precedence workloads that cannot satisfy it, and a reserve_memory=0 first grow can hang
- Heal loading of legacy toTime definitions via default-profile use_leg…
- [fix](iceberg) Read snapshots without schema-id
- Mutation partition pruning evaluates `IN <table>` at submission time — rows matching the execution-time set silently escape ALTER DELETE (deferred-set guard misses bare table identifiers)
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