clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Make a table read by a scalar subquery in a CONSTRAINT a loading dependency
- SQLancer: track sqlancer main, deduplicate findings, fail the job on them
- Follow-ups for CREATE HANDLER: parse limits of the stored query, docs, refactoring
- LowCardinality merge optimization
- Add two-model mode to continue-all-prs script
- Scope WITH aliases to the SELECT that declares them when adding the default database
- Fix File row policy / PREWHERE breaking DEFAULT columns missing from the data file
- Fix TopK filtering dropping NULL and NaN rows from the answer
- Convert OUTER join to INNER join by null-rejecting join conditions
- Extract reusable `ActionsDAG` lineage computation into `actionsDAGUtils`
- Docs
- C++ not yet supported