[postgis-tickets] [PostGIS] #4678: Rewrite all raster callback functions in C

[PostGIS]

#4678: Rewrite all raster callback functions in C
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 Reporter:  robe    |      Owner:  Bborie Park
     Type:  defect  |     Status:  new
 Priority:  medium  |  Milestone:  PostGIS 3.1.0
Component:  raster  |    Version:  master
 Keywords:          |
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 Most of the raster callback functions are written in PLPGSQL which is
 unbearably slow.

 I suspect rewriting them in C (if we can) would provide faster
 performance.  If not I'll try rewriting them in SQL which I think would
 make them faster than plpgsql.

 This issue on mailing list reminded me

 https://lists.osgeo.org/pipermail/postgis-users/2020-May/044137.html

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4678>
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