[postgis-tickets] [PostGIS] #4150: MVT: Support max extent (2^32)

[PostGIS]

#4150: MVT: Support max extent (2^32)
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 Reporter:  Algunenano   |      Owner:  Algunenano
     Type:  enhancement  |     Status:  assigned
 Priority:  medium       |  Milestone:  PostGIS 3.0.0
Component:  postgis      |    Version:  trunk
 Keywords:               |
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 The MVT spec declares the extent as `uint32_t`, that is 0 to 2^32, but
 both `St_AsMVTGeom` and `St_AsMVT` are using a `int4` for the extent value
 which means that it can accept values from -2^31 to 2^31.

 This means that extent values from 2^31 to 2^32 which are considered
 `bigint` by Postgresql, and that are valid according to the spec, aren't
 being accepted.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4150>
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