ClickHouse/docs/en/roadmap.md

Roadmap

Q3 2018

• ALTER UPDATE for mass changes to data using an approach similar to ALTER DELETE
• Adding Protobuf and Parquet to the range of supported input/output formats
• Improved compatibility with Tableau and other business analytics tools

Q4 2018

• JOIN syntax that conforms to the SQL standard:

  • Multiple JOINs in a single SELECT
  • Setting the relationship between tables via ON
  • Ability to refer to the table name instead of using a subquery

• Improvements in the performance of JOIN:

  • Distributed JOIN not limited by RAM
  • Transferring predicates that depend on only one side via JOIN

• Resource pools for more accurate distribution of cluster capacity between its users