v.21.11Improvements
polygon dictionaries enhanced for SELECT query method with key column support
polygondictionaries (reverse geocoding): added support for reading the dictionary content with SELECT query method if settingstore_polygon_key_column= true. Closes #30090. #30142 (Maksim Kita).
Why it matters
This feature enhances polygon dictionaries by allowing users to query dictionary data directly withSELECT statements. It enables easier inspection and utilization of polygon key columns, improving reverse geocoding workflows and dictionary management.How to use it
To use this feature, set the dictionary configuration parameterstore_polygon_key_column to true. Once enabled, you can read the polygon dictionary content via standard SELECT queries.