Fix/issue#1447 (#1458)

* Add data for template to render

* fix #1447

Co-authored-by: anqiansong <anqiansong@bytedance.com>

tools/goctl/model/sql/gen/vars.go

@@ -31,6 +31,7 @@ func genVars(table Table, withCache, postgreSql bool) (string, error) {
 		"originalPrimaryKey":    wrapWithRawString(table.PrimaryKey.Name.Source(), postgreSql),
 		"withCache":             withCache,
 		"postgreSql":            postgreSql,
+		"data":                  table,
 	})
 	if err != nil {
 		return "", err