v.20.3Improvement

Support Custom Codecs in Compact Parts

Support custom codecs in compact parts. #12183 (Anton Popov).
Support for using custom codecs in compact parts in ClickHouse storage.

Why it matters

This feature enables the application of custom compression codecs to compact parts, improving storage efficiency and allowing users to optimize performance based on specific data characteristics.

How to use it

Users can specify custom codecs when creating or altering tables with compact parts by defining the desired codec in the column's compression codec settings using the appropriate SQL syntax.