[postgis-users] Error updating PostGIS

[Armando Pardo Zepeda]

Please, I need help to update a database with a postgis version of
"POSTGIS="2.0.0alpha7SVN" to PostGIS 2.1.0 in Debian Wheezy

I already tried with:
ALTER EXTENSION postgis  UPDATE TO "2.1.0"  but it returns the error
message:
ERROR:  extension "postgis" has no update path from version
"2.0.0alpha7SVN" to version "2.1.0"

I think the issue is on "PostGIS 2.0.0alpha7SVN"  is not a final version.
If I try this with 2.0.0 and 2.1.0 versions, the update is successfully.
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