X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/64b687f8ec36a103865044613cb0f42f98aeda3a..3899282dbba9860e0cc121ea698a82217bed78ca:/projects/stargazer/plugins/store/firebird/firebird_store.cpp

diff --git a/projects/stargazer/plugins/store/firebird/firebird_store.cpp b/projects/stargazer/plugins/store/firebird/firebird_store.cpp
index 7e57483e..3c4f32ad 100644
--- a/projects/stargazer/plugins/store/firebird/firebird_store.cpp
+++ b/projects/stargazer/plugins/store/firebird/firebird_store.cpp
@@ -63,6 +63,7 @@ FIREBIRD_STORE::FIREBIRD_STORE()
       mutex(),
       til(IBPP::ilConcurrency),
       tlr(IBPP::lrWait),
+      schemaVersion(0),
       logger(GetPluginLogger(GetStgLogger(), "store_firebird"))
 {
 pthread_mutex_init(&mutex, NULL);
@@ -123,6 +124,7 @@ try
     {
     db = IBPP::DatabaseFactory(db_server, db_database, db_user, db_password, "", "KOI8U", "");
     db->Connect();
+    return CheckVersion();
     }
 catch (IBPP::Exception & ex)
     {
@@ -134,3 +136,37 @@ catch (IBPP::Exception & ex)
 return 0;
 }
 //-----------------------------------------------------------------------------
+int FIREBIRD_STORE::CheckVersion()
+{
+IBPP::Transaction tr = IBPP::TransactionFactory(db, IBPP::amRead, til, tlr);
+IBPP::Statement st = IBPP::StatementFactory(db, tr);
+
+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;
+}
+//-----------------------------------------------------------------------------