clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Request for optimization - skip unused joins
- fix: create table check multi storge policy
- Flaky test: test_storage_kafka/test_batch_fast.py::test_kafka_commit_on_block_write[generate_old_create_table_query]
- RFC: Positional Phrase Query Support for Text Index
- Vector similarity: support TurboQuant quantization
- Support two-step schema propagation for Distributed tables during column metadata ALTER
- Add two-step column metadata propagation for `Distributed` table `ALTER`
- CSV FORMAT: DateTime64 parser consumes Bool column value when epoch has fewer than 3 decimal digits
- Unexpected behaviour in Dictionary incremental refresh: watermark logic ignores UPDATE_FIELD and INVALIDATE_QUERY does not suppress empty loads
- How to resolve persistent error when querying `system.columns`: File store/../some_name.bin is not added to the file checker: While executing Columns.
- Docs
- C++ not yet supported