[PostGIS] #5987: ST_GeometryN breaks for unitary geometries

[PostGIS]

#5987: ST_GeometryN breaks for unitary geometries
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  Reporter:  joto     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  high     |  Milestone:  PostGIS 3.6.1
 Component:  postgis  |    Version:  3.6.x
Resolution:           |   Keywords:
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Comment (by pramsey):

 Confirmed. Oddly only showing up when pulling from a table, a literal
 doesn't show this problem.
 {{{
 select ST_AsText(ST_GeometryN('LINESTRING(20 20,20.1 20,20.2 19.9)', 1));
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5987#comment:1>
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