Feature model postgresql (#842)

* Support postgresql generate

* Update template Var

* Support to generate postgresql model

* Support to generate postgresql model

* Update template

Co-authored-by: anqiansong <anqiansong@xiaoheiban.cn>

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

@@ -1,20 +1,27 @@
 package gen
 
 import (
+	"fmt"
+
 	"github.com/tal-tech/go-zero/tools/goctl/model/sql/template"
 	"github.com/tal-tech/go-zero/tools/goctl/util"
 )
 
-func genNew(table Table, withCache bool) (string, error) {
+func genNew(table Table, withCache, postgreSql bool) (string, error) {
 	text, err := util.LoadTemplate(category, modelNewTemplateFile, template.New)
 	if err != nil {
 		return "", err
 	}
 
+	t := fmt.Sprintf(`"%s"`, wrapWithRawString(table.Name.Source(), postgreSql))
+	if postgreSql {
+		t = "`" + fmt.Sprintf(`"%s"."%s"`, table.Db.Source(), table.Name.Source()) + "`"
+	}
+
 	output, err := util.With("new").
 		Parse(text).
 		Execute(map[string]interface{}{
-			"table":                 wrapWithRawString(table.Name.Source()),
+			"table":                 t,
 			"withCache":             withCache,
 			"upperStartCamelObject": table.Name.ToCamel(),
 		})