AceDB-3.0: Handle unloaded namespaces in Reset/Copy/Delete functions

When applying profile changes to namespaces, we should also handle
namespaces that are not currently loaded.

These may be from optional Load-on-Demand parts that are not currently
loaded, but the expectation is that the database behaves consistent
no matter what is currently active.

AceDB-3.0/AceDB-3.0.lua

@@ -41,7 +41,7 @@
 -- @class file
 -- @name AceDB-3.0.lua
 -- @release $Id$
-local ACEDB_MAJOR, ACEDB_MINOR = "AceDB-3.0", 29
+local ACEDB_MAJOR, ACEDB_MINOR = "AceDB-3.0", 30
 local AceDB = LibStub:NewLibrary(ACEDB_MAJOR, ACEDB_MINOR)
 
 if not AceDB then return end -- No upgrade needed
@@ -525,6 +525,17 @@ function DBObjectLib:DeleteProfile(name, silent)
 		end
 	end
 
+	-- remove from unloaded namespaces
+	if self.sv.namespaces then
+		for nsname, data in pairs(self.sv.namespaces) do
+			if self.children and self.children[nsname] then
+				-- already a mapped namespace
+			elseif data.profiles then
+				data.profiles[name] = nil
+			end
+		end
+	end
+
 	-- switch all characters that use this profile back to the default
 	if self.sv.profileKeys then
 		for key, profile in pairs(self.sv.profileKeys) do
@@ -570,6 +581,20 @@ function DBObjectLib:CopyProfile(name, silent)
 		end
 	end
 
+	-- copy unloaded namespaces
+	if self.sv.namespaces then
+		for nsname, data in pairs(self.sv.namespaces) do
+			if self.children and self.children[nsname] then
+				-- already a mapped namespace
+			elseif data.profiles then
+				-- reset the current profile
+				data.profiles[self.keys.profile] = {}
+				-- copy data
+				copyTable(data.profiles[name], data.profiles[self.keys.profile])
+			end
+		end
+	end
+
 	-- Callback: OnProfileCopied, database, sourceProfileKey
 	self.callbacks:Fire("OnProfileCopied", self, name)
 end
@@ -596,6 +621,18 @@ function DBObjectLib:ResetProfile(noChildren, noCallbacks)
 		end
 	end
 
+	-- reset unloaded namespaces
+	if self.sv.namespaces and not noChildren then
+		for nsname, data in pairs(self.sv.namespaces) do
+			if self.children and self.children[nsname] then
+				-- already a mapped namespace
+			elseif data.profiles then
+				-- reset the current profile
+				data.profiles[self.keys.profile] = nil
+			end
+		end
+	end
+
 	-- Callback: OnProfileReset, database
 	if not noCallbacks then
 		self.callbacks:Fire("OnProfileReset", self)