ST_ExtentBasedSubDivide

ST_ExtentBasedSubDivide(geom: Geometry, maxWidth: Double, maxHeight: Double)

SELECT ST_ExtentBasedSubDivide(ST_GeomFromText("POLYGON((35 10, 45 45, 15 40, 10 20, 35 10), (20 30, 35 35, 30 20, 20 30))"), 10, 10)

[
  POLYGON ((10 10, 10 18.75, 18.75 18.75, 18.75 10, 10 10)),
  POLYGON ((18.75 10, 18.75 18.75, 27.5 18.75, 27.5 10, 18.75 10)),
  POLYGON ((10 18.75, 10 27.5, 18.75 27.5, 18.75 18.75, 10 18.75)),
  POLYGON ((18.75 18.75, 18.75 27.5, 27.5 27.5, 27.5 18.75, 18.75 18.75)),
  POLYGON ((27.5 10, 27.5 18.75, 36.25 18.75, 36.25 10, 27.5 10)),
  POLYGON ((36.25 10, 36.25 18.75, 45 18.75, 45 10, 36.25 10)),
  POLYGON ((27.5 18.75, 27.5 27.5, 36.25 27.5, 36.25 18.75, 27.5 18.75)),
  POLYGON ((36.25 18.75, 36.25 27.5, 45 27.5, 45 18.75, 36.25 18.75)),
  POLYGON ((10 27.5, 10 36.25, 18.75 36.25, 18.75 27.5, 10 27.5)),
  POLYGON ((18.75 27.5, 18.75 36.25, 27.5 36.25, 27.5 27.5, 18.75 27.5)),
  POLYGON ((10 36.25, 10 45, 18.75 45, 18.75 36.25, 10 36.25)),
  POLYGON ((18.75 36.25, 18.75 45, 27.5 45, 27.5 36.25, 18.75 36.25)),
  POLYGON ((27.5 27.5, 27.5 36.25, 36.25 36.25, 36.25 27.5, 27.5 27.5)),
  POLYGON ((36.25 27.5, 36.25 36.25, 45 36.25, 45 27.5, 36.25 27.5)),
  POLYGON ((27.5 36.25, 27.5 45, 36.25 45, 36.25 36.25, 27.5 36.25)),
  POLYGON ((36.25 36.25, 36.25 45, 45 45, 45 36.25, 36.25 36.25))
]