[postgis-devel] Proposal: Adding buffer parameter to ST_TileEnvelope()

[Yuri Astrakhan]

Rough implementation PR - https://github.com/postgis/postgis/pull/514

I am having some issues with unit tests (too much magic in auto-generated
code?), so a Postgis guru's help might be needed.

One open concern: extending envelope beyond antimeredian. Is this possible?
Would a bbox from the tile that overflows to the other side of antimeredian
match any geometries? For example, given two points - one at -179, and the
other is at +179 (longitude), would they be found with the bbox that goes
from -200..-160 ?

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