да вроде должно быть норм.
-- Availability: 3.0.0
-- Changed: 3.1.0 - add margin=0.0 parameter
CREATE OR REPLACE FUNCTION ST_TileEnvelope(zoom integer, x integer, y integer, bounds geometry DEFAULT 'SRID=3857;LINESTRING(-20037508.342789244 -20037508.342789244, 20037508.342789244 20037508.342789244)'::geometry, margin float8 DEFAULT 0.0)
RETURNS geometry
AS 'MODULE_PATHNAME', 'ST_TileEnvelope'
LANGUAGE 'c' IMMUTABLE STRICT PARALLEL SAFE
_COST_LOW;