improved Sync2 method

engine.go

@@ -1081,8 +1081,11 @@ func (engine *Engine) Sync2(beans ...interface{}) error {
 		return err
 	}
 
+	structTables := make([]*core.Table, 0)
+
 	for _, bean := range beans {
 		table := engine.autoMap(bean)
+		structTables = append(structTables, table)
 
 		var oriTable *core.Table
 		for _, tb := range tables {
@@ -1207,6 +1210,28 @@ func (engine *Engine) Sync2(beans ...interface{}) error {
 			}
 		}
 	}
+
+	for _, table := range tables {
+		var oriTable *core.Table
+		for _, structTable := range structTables {
+			if table.Name == structTable.Name {
+				oriTable = structTable
+				break
+			}
+		}
+
+		if oriTable == nil {
+			//engine.LogWarnf("Table %s has no struct to mapping it", table.Name)
+			continue
+		}
+
+		for _, colName := range table.ColumnsSeq() {
+			if oriTable.GetColumn(colName) == nil {
+				engine.LogWarnf("Table %s has column %s but struct has not related field",
+					table.Name, colName)
+			}
+		}
+	}
 	return nil
 }