v.21.9New Feature
Added complex_key_range_hashed dictionary, closes #22029
Added complex_key_range_hashed dictionary. Closes #22029. #27629 (Maksim Kita).Why it matters
This feature addresses the need for efficient dictionary queries based on complex key ranges, improving performance and flexibility when working with dictionaries that require hashed indexing on composite keys.How to use it
To use this feature, define a dictionary in ClickHouse with thecomplex_key_range_hashed layout in the dictionary configuration file, specifying the structure and keys accordingly. This enables hashed lookups on complex key ranges in dictionary queries.