fix: schema-qualified table handling in SQL Server

create.go

@@ -68,7 +68,7 @@ func Create(db *gorm.DB) {
 
 					if setIdentityInsert {
 						db.Statement.WriteString("SET IDENTITY_INSERT ")
-						db.Statement.WriteQuoted(db.Statement.Table)
+						db.Statement.WriteQuoted(clause.Table{Name: clause.CurrentTable})
 						db.Statement.WriteString(" ON;")
 					}
 				}
@@ -112,7 +112,7 @@ func Create(db *gorm.DB) {
 
 			if setIdentityInsert {
 				db.Statement.WriteString("SET IDENTITY_INSERT ")
-				db.Statement.WriteQuoted(db.Statement.Table)
+				db.Statement.WriteQuoted(clause.Table{Name: clause.CurrentTable})
 				db.Statement.WriteString(" OFF;")
 			}
 		}
@@ -143,7 +143,7 @@ func Create(db *gorm.DB) {
 
 func MergeCreate(db *gorm.DB, onConflict clause.OnConflict, values clause.Values) bool {
 	db.Statement.WriteString("MERGE INTO ")
-	db.Statement.WriteQuoted(db.Statement.Table)
+	db.Statement.WriteQuoted(clause.Table{Name: clause.CurrentTable})
 	db.Statement.WriteString(" USING (VALUES")
 	for idx, value := range values.Values {
 		if idx > 0 {

create_test.go

@@ -0,0 +1,92 @@
+package sqlserver_test
+
+import (
+	"testing"
+
+	"gorm.io/driver/sqlserver"
+	"gorm.io/gorm"
+)
+
+type testSchemaUser struct {
+	ID   int64 `gorm:"primaryKey"`
+	Name string
+}
+
+func (testSchemaUser) TableName() string {
+	return "users"
+}
+
+func setupSchemaTable(t *testing.T, db *gorm.DB) {
+	t.Helper()
+
+	if err := db.Exec("CREATE SCHEMA testschema").Error; err != nil {
+		t.Fatal(err)
+	}
+
+	t.Cleanup(func() {
+		if err := db.Exec("DROP TABLE IF EXISTS testschema.users").Error; err != nil {
+			t.Error(err)
+		}
+		if err := db.Exec("DROP SCHEMA IF EXISTS testschema").Error; err != nil {
+			t.Error(err)
+		}
+	})
+
+	if err := db.Exec(`
+		CREATE TABLE testschema.users (
+			id BIGINT IDENTITY(1,1) PRIMARY KEY,
+			name NVARCHAR(100)
+		)
+	`).Error; err != nil {
+		t.Fatal(err)
+	}
+}
+
+func assertUser(t *testing.T, db *gorm.DB, id int64, name string) {
+	t.Helper()
+
+	var got testSchemaUser
+	if err := db.Table("testschema.users").First(&got, id).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	if got.Name != name {
+		t.Fatalf("expected %q, got %q", name, got.Name)
+	}
+}
+
+func TestCreateWithSchemaTable(t *testing.T) {
+	db, err := gorm.Open(sqlserver.Open(sqlserverDSN))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	setupSchemaTable(t, db)
+
+	if err := db.Table("testschema.users").Create(&testSchemaUser{
+		ID:   1,
+		Name: "gorm",
+	}).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	assertUser(t, db, 1, "gorm")
+}
+
+func TestSaveWithSchemaTable(t *testing.T) {
+	db, err := gorm.Open(sqlserver.Open(sqlserverDSN))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	setupSchemaTable(t, db)
+
+	if err := db.Table("testschema.users").Save(&testSchemaUser{
+		ID:   1,
+		Name: "gorm",
+	}).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	assertUser(t, db, 1, "gorm")
+}