From 2617753615e47acb6600a7d551c4f6508f5af91f Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 2 Aug 2015 16:53:24 +1200
Subject: Add database schema version

---
 src/org/traccar/database/DataManager.java | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/org/traccar/database')

diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 4c12ecd77..3cfeadae4 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -38,6 +38,7 @@ import org.traccar.model.Device;
 import org.traccar.model.MiscFormatter;
 import org.traccar.model.Permission;
 import org.traccar.model.Position;
+import org.traccar.model.Schema;
 import org.traccar.model.Server;
 import org.traccar.model.User;
 import org.traccar.web.AsyncServlet;
@@ -157,6 +158,23 @@ public class DataManager implements IdentityManager {
                 }
             }
             if (exist) {
+                
+                String schemaVersionQuery = getQuery("database.selectSchemaVersion");
+                if (schemaVersionQuery != null) {
+                
+                    Schema schema = QueryBuilder.create(dataSource, schemaVersionQuery).executeQuerySingle(new Schema());
+
+                    int version = 0;
+                    if (schema != null) {
+                        version = schema.getVersion();
+                    }
+
+                    if (version != 301) {
+                        Log.error("Wrong database schema version (" + version + ")");
+                        throw new RuntimeException();
+                    }
+                }
+                
                 return;
             }
 
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