feat: implement batch processing for MSSQL with improved structure and logging

cmd/go_migrate/transformer.go

@@ -43,3 +43,20 @@ func transformRowsMssql(columns []ColumnType, in <-chan []UnknownRowValues, out
 		out <- rows
 	}
 }
+
+func ToInt64(v any) (int64, bool) {
+	switch t := v.(type) {
+	case int:
+		return int64(t), true
+	case int8:
+		return int64(t), true
+	case int16:
+		return int64(t), true
+	case int32:
+		return int64(t), true
+	case int64:
+		return int64(t), true
+	default:
+		return 0, false
+	}
+}