> PostGIS functions have
>no sufficient params to provide this schema information (resolution-extent
>mapping).

The simplification resolution in Postgis is calculated as:
- MIN ((:max_x - :min_x), (:max_y - :min_y)) / :tile_size

The query itself looks normal (but optimizable). Can you share an example
of the input that is causing you issues?


-- 
Raúl Marín Rodríguez
carto.com
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