clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Unknown Iceberg type: timestamp with local time zone
- Iceberg: Unknown format 00d4302f4f17ba7da9fe
- SAMPLE BY returns first rows only instead of distributed sample with SummingMergeTree
- Test `test_storage_kafka/test_batch_fast.py::test_kafka_no_holes_when_write_suffix_failed` is flaky
- `INSERT SELECT` with implicit `GROUP BY` by destination partition key
- Clickhouse-manticoresearch integration
- If the 'PARTITION BY' field is defined, the data cannot be deleted when using the 'delete on cluster where id in (select...)' statement.
- How to assign a surrogate key to an existing table?
- Iceberg Logical error: Invalid number of columns in chunk
- FINAL query on a single-part ReplacingMergeTree table
- Docs
- C++ not yet supported