Added persistence support for Eiffel sqlite3 wrapper.

Updated existing persistency solution to be more generic to any db solution.

modules/openid/persitence/cms_openid_storage_sql.e

@@ -33,11 +33,15 @@ feature -- Access User Outh
 			l_parameters.put (a_uid, "uid")
 			l_parameters.put (a_identity, "identity")
 			sql_query (Select_user_openid_by_id, l_parameters)
-			if sql_rows_count = 1 then
+			if not has_error and not sql_after then
 				Result := fetch_user
-			else
-				check no_more_than_one: sql_rows_count = 0 end
+				sql_forth
+				if not sql_after then
+					check no_more_than_one: False end
+					Result := Void
+				end
 			end
+			sql_finalize
 		end
 
 	user_openid_by_identity (a_identity: READABLE_STRING_GENERAL): detachable CMS_USER
@@ -50,10 +54,15 @@ feature -- Access User Outh
 			create l_parameters.make (1)
 			l_parameters.put (a_identity, "identity")
 			sql_query (Select_user_by_openid_identity, l_parameters)
-			if sql_rows_count = 1 then
+			if not has_error and not sql_after then
 				Result := fetch_user
+				sql_forth
+				if not sql_after then
+					check no_more_than_one: False end
+					Result := Void
+				end
 			else
-				check no_more_than_one: sql_rows_count = 0 end
+				check no_more_than_one: False end
 			end
 		end
 
@@ -91,11 +100,14 @@ feature --Access: Consumers
 			create l_parameters.make (1)
 			l_parameters.put (a_name, "name")
 			sql_query (sql_openid_consumer_name, l_parameters)
-			if sql_rows_count = 1 then
+			if not has_error and not sql_after then
 				Result := fetch_consumer
-			else
-				check no_more_than_one: sql_rows_count = 0 end
+				sql_forth
+				if not sql_after then
+					check no_more_than_one: False end
+				end
 			end
+			sql_finalize
 		end
 
 feature -- Change: User OAuth
@@ -114,7 +126,7 @@ feature -- Change: User OAuth
 			l_parameters.put (a_user.id, "uid")
 			l_parameters.put (a_identity, "identity")
 			l_parameters.put (create {DATE_TIME}.make_now_utc, "utc_date")
-			sql_change (Sql_insert_openid, l_parameters)
+			sql_insert (Sql_insert_openid, l_parameters)
 			sql_commit_transaction
 		end