+QHash<BufferId, MsgId> PostgreSqlStorage::bufferLastMsgIds(UserId user)
+{
+ QHash<BufferId, MsgId> lastMsgHash;
+
+ QSqlDatabase db = logDb();
+ if (!beginReadOnlyTransaction(db)) {
+ qWarning() << "PostgreSqlStorage::bufferLastMsgIds(): cannot start read only transaction!";
+ qWarning() << " -" << qPrintable(db.lastError().text());
+ return lastMsgHash;
+ }
+
+ QSqlQuery query(db);
+ query.prepare(queryString("select_buffer_last_messages"));
+ query.bindValue(":userid", user.toInt());
+ safeExec(query);
+ if (!watchQuery(query)) {
+ db.rollback();
+ return lastMsgHash;
+ }
+
+ while (query.next()) {
+ lastMsgHash[query.value(0).toInt()] = query.value(1).toLongLong();
+ }
+
+ db.commit();
+ return lastMsgHash;
+}
+