clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Do not add `BlocksMarshalling` to a query plan that is built for another server
- Text index analysis: match JSON subcolumns with a redundant type hint on a typed path
- widthBucket throws LOGICAL_ERROR on NaN/Inf intermediate result with extreme double inputs in FunctionWidthBucket::calculate
- Fix `Cannot capture column` and `NOT_FOUND_COLUMN_IN_BLOCK` when a `group_by_use_nulls` `if` key folds to a constant
- INTERPOLATE ignored on `uniq` column after optimize_uniq_to_count rewrite
- `LIMIT AFTER`/`UNTIL` boundaries take INTERPOLATE values by action name
- Fix `NOT_FOUND_COLUMN_IN_BLOCK` and wrong `ROLLUP`/`CUBE` rows when `optimize_inverse_dictionary_lookup` rewrites a `GROUP BY` key
- Fix lightweight `UPDATE` skipping rows fetched during the `update_sequential_consistency` wait
- Look up a `Nullable` argument of `transform` by its nested values instead of hashing every row
- `sqlite()` / `ENGINE = SQLite` / `DATABASE ENGINE = SQLite` silently truncate REAL and zero TEXT/BLOB cells of INTEGER-declared columns (`1.5` → `1`, `'abc'` → `0`)
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- C++ not yet supported