+int FIREBIRD_STORE::CheckVersion()
+{
+IBPP::Transaction tr = IBPP::TransactionFactory(db, IBPP::amRead, til, tlr);
+IBPP::Statement st = IBPP::StatementFactory(db, tr);
+
+std::string name;
+
+try
+ {
+ tr->Start();
+ st->Execute("SELECT RDB$RELATION_NAME FROM RDB$RELATIONS WHERE RDB$SYSTEM_FLAG=0 AND RDB$RELATION_NAME = 'TB_INFO'");
+ if (!st->Fetch())
+ {
+ schemaVersion = 0;
+ }
+ else
+ {
+ st->Execute("SELECT version FROM tb_info");
+ while (st->Fetch())
+ st->Get(1, schemaVersion);
+ }
+ tr->Commit();
+ logger("FIREBIRD_STORE: Current DB schema version: %d", schemaVersion);
+ }
+
+catch (IBPP::Exception & ex)
+ {
+ tr->Rollback();
+ strError = "IBPP exception";
+ printfd(__FILE__, ex.what());
+ return -1;
+ }
+
+return 0;
+}
+//-----------------------------------------------------------------------------