--- a/plugins/mod_storage_sql.lua	Sun Jun 05 11:48:57 2011 +0100
+++ b/plugins/mod_storage_sql.lua	Sun Jun 05 11:53:29 2011 +0100
@@ -93,7 +93,7 @@
 			if not(ok and commit_ok) then
 				module:log("warn", "Failed to create index (%s), lookups may not be optimised", err or commit_err);
 			end
-		else -- COMPAT: Upgrade tables from 0.8.0
+		elseif params.driver == "MySQL" then  -- COMPAT: Upgrade tables from 0.8.0
 			-- Failed to create, but check existing MySQL table here
 			local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'");
 			local ok = stmt:execute();