[PostGIS] #5649: Since introduction of resampling on ST_Value (v3.2) behaviour on inexisting band has changed

[PostGIS]

#5649: Since introduction of resampling on ST_Value (v3.2) behaviour on inexisting
band has changed
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  Reporter:  lieven   |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 3.2.7
 Component:  postgis  |    Version:  3.4.x
Resolution:           |   Keywords:
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Changes (by lieven):

 * Attachment "Working_Scenario.png" added.

 Working scenario with result, even if extra band doesn't not exist
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5649>
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