Populate new column in table.

src/engine/db/handlers/dbContractHandler.java

@@ -20,6 +20,7 @@ import java.sql.Connection;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
+import java.util.ArrayList;
 
 public class dbContractHandler extends dbHandlerBase {
 
@@ -28,6 +29,24 @@ public class dbContractHandler extends dbHandlerBase {
         this.localObjectType = mbEnums.GameObjectType.valueOf(this.localClass.getSimpleName());
     }
 
+    public void UPDATE_CONTRACTS() {
+
+        ArrayList<Contract> contracts = new ArrayList<>();
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `static_npc_contract`;")) {
+
+            ResultSet rs = preparedStatement.executeQuery();
+            contracts = getObjectsFromRs(rs, 1000);
+
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
+
+        for (Contract contract : contracts)
+            DbManager.ContractQueries.updateAllowedBuildings(contract);
+    }
+
     public Contract GET_CONTRACT(final int objectUUID) {
 
         Contract contract = (Contract) DbManager.getFromCache(mbEnums.GameObjectType.Contract, objectUUID);