v.21.4New Features

Support dictHas function for RangeHashedDictionary

Support dictHas function for RangeHashedDictionary. Fixes #6680. #19816 (Maksim Kita).
Added support for the dictHas function to work with RangeHashedDictionary in ClickHouse.

Why it matters

This feature addresses the limitation where the dictHas function could not be used with RangeHashedDictionary. By enabling this support, users can now efficiently check for the presence of keys within dictionaries that use range hashing, improving dictionary usability and query flexibility.

How to use it

Users can now directly use the dictHas function with RangeHashedDictionary dictionaries in their queries without any additional configuration changes.