Hello,
With pgadmin3 v. 1.2.0 connecting to a PostgreSQL 8.0 server:
The backup feature is somewhat strange. No problem connecting to the
server and expanding the object tree to list the existing databases.
However, the "Backup" menu item for a database is grayed out for me, until
I "click around" in the object tree of a database for a while. After a
while, the "Backup" menu item becomes selectable. The "magic action" seems
to be expanding the object tree until a schema has been selected.
As soon as the "Backup" menu item is active, all is fine: Backing up works
well here.
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Greetings from Troels Arvin, Copenhagen, Denmark