clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- [CI Proof] `BackupWriterAzureBlobStorage::copyFile` destination path missing `blob_path` prefix
- Trailing comma in VALUES fails for expressions because `parseExpression` token check expects only `ClosingRoundBracket`
- SQL comments before semicolon in VALUES format break multi-query splitting, swallowing subsequent queries
- InsertDependenciesBuilder: Table 'xxx' is not a source for view 'yyy' anymore, current source is 'zzz' spam after using multiple Materialized Views to same target (26.x)
- Speed up jaroSimilarity / jaroWinklerSimilarity with AVX2
- Revert "Revert "Parallelize reads from a single Parquet file in StorageFile""
- Add spatial_bbox skip index for MergeTree geometry columns
- Make `02981_insert_select_resize_to_max_insert_threads` deterministic under free-memory limiter
- Tests for the `clickhouse_json` dialect (follow-up to #100412)
- Revert "Reject MATERIALIZED CTE references with inconsistent inferred types"
- Docs
- C++ not yet supported