DropIndex and RenameIndex fail in postgres driver when TablePrefix is…

db.go

@@ -13,6 +13,7 @@ import (
 	"gorm.io/driver/sqlserver"
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
+	"gorm.io/gorm/schema"
 )
 
 var DB *gorm.DB
@@ -49,13 +50,19 @@ func OpenTestConnection() (db *gorm.DB, err error) {
 		if dbDSN == "" {
 			dbDSN = "gorm:gorm@tcp(localhost:9910)/gorm?charset=utf8&parseTime=True&loc=Local"
 		}
-		db, err = gorm.Open(mysql.Open(dbDSN), &gorm.Config{})
+		db, err = gorm.Open(mysql.Open(dbDSN), &gorm.Config{
+			NamingStrategy: schema.NamingStrategy{
+				TablePrefix: "myschema.",
+			}})
 	case "postgres":
 		log.Println("testing postgres...")
 		if dbDSN == "" {
 			dbDSN = "user=gorm password=gorm host=localhost dbname=gorm port=9920 sslmode=disable TimeZone=Asia/Shanghai"
 		}
-		db, err = gorm.Open(postgres.Open(dbDSN), &gorm.Config{})
+		db, err = gorm.Open(postgres.Open(dbDSN), &gorm.Config{
+			NamingStrategy: schema.NamingStrategy{
+				TablePrefix: "myschema.",
+			}})
 	case "sqlserver":
 		// CREATE LOGIN gorm WITH PASSWORD = 'LoremIpsum86';
 		// CREATE DATABASE gorm;
@@ -66,10 +73,17 @@ func OpenTestConnection() (db *gorm.DB, err error) {
 		if dbDSN == "" {
 			dbDSN = "sqlserver://gorm:LoremIpsum86@localhost:9930?database=gorm"
 		}
-		db, err = gorm.Open(sqlserver.Open(dbDSN), &gorm.Config{})
+		db, err = gorm.Open(sqlserver.Open(dbDSN), &gorm.Config{
+			NamingStrategy: schema.NamingStrategy{
+				TablePrefix: "myschema.",
+			}})
 	default:
 		log.Println("testing sqlite3...")
-		db, err = gorm.Open(sqlite.Open(filepath.Join(os.TempDir(), "gorm.db")), &gorm.Config{})
+		db, err = gorm.Open(sqlite.Open(filepath.Join(os.TempDir(), "gorm.db")), &gorm.Config{
+			NamingStrategy: schema.NamingStrategy{
+				TablePrefix: "myschema.",
+			},
+		})
 	}
 
 	if debug := os.Getenv("DEBUG"); debug == "true" {
@@ -87,6 +101,8 @@ func RunMigrations() {
 	rand.Seed(time.Now().UnixNano())
 	rand.Shuffle(len(allModels), func(i, j int) { allModels[i], allModels[j] = allModels[j], allModels[i] })
 
+	DB.Exec(`CREATE SCHEMA IF NOT EXISTS "myschema"`)
+
 	DB.Migrator().DropTable("user_friends", "user_speaks")
 
 	if err = DB.Migrator().DropTable(allModels...); err != nil {

main_test.go

@@ -9,12 +9,15 @@ import (
 // TEST_DRIVERS: sqlite, mysql, postgres, sqlserver
 
 func TestGORM(t *testing.T) {
-	user := User{Name: "jinzhu"}
+	// Drop index failure
+	// err := DB.Migrator().DropIndex(&User{}, "name_idx")
+	// if err != nil {
+	// 	t.Errorf("failed to drop index, got error %v\n", err)
+	// }
 
-	DB.Create(&user)
-
-	var result User
-	if err := DB.First(&result, user.ID).Error; err != nil {
-		t.Errorf("Failed, got error: %v", err)
-	}
+	// Rename index failure
+	// err := DB.Migrator().RenameIndex(&User{}, "name_idx", "name_idx2")
+	// if err != nil {
+	// 	t.Errorf("failed to rename index, got error %v\n", err)
+	// }
 }

models.go

@@ -13,7 +13,7 @@ import (
 // His pet also has one Toy (has one - polymorphic)
 type User struct {
 	gorm.Model
-	Name      string
+	Name      string `gorm:"index:name_idx"`
 	Age       uint
 	Birthday  *time.Time
 	Account   Account