ClickHouse/docs/en/roadmap.md

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# Roadmap
## Q3 2017
- ` SYSTEM queries`
- Limit the number of parallel downloads from replicas
- Finish support for `NULL`
- `SELECT db.table.column`
## Q4 2017
- An arbitrary key for partitioning engines of the MergeTree family
- Enhance the ` JOIN syntax` for compatibility with the SQL standard
- Resource pools for queries (CPU, disk I/O, and network bandwidth)
## Q1 2018
- Initial support for `UPDATE` and `DELETE`