feat: Oracle 驱动完整化——回调体系、版本感知、驱动抽象层与测试套件

- 新增驱动抽象层 driver_adapter（go-ora/godror 双驱动切换）
- 新增 Update/Delete/Query 回调，完善 RETURNING INTO 子句
- 修复 create.go 事务悬挂行 BUG、批量 RowsAffected、主键 WHERE 注入
- 版本感知体系：分页/自增/序列默认值/BOOLEAN/32k VARCHAR2 分级能力判定
- 11g 序列+触发器自增、ON UPDATE 触发器、默认值智能转换
- 升级 go-ora v2.8.19 → v2.9.0
- 单元测试+模块测试+集成测试共 96 个，真实 Oracle 11g 全绿
- 测试 DSN 密码移除，改为 ORACLE_DSN 环境变量注入

tests/hook_test.go

@@ -0,0 +1,92 @@
+package tests
+
+import (
+	"testing"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// UserWithHook 带 Hook 的测试模型
+type UserWithHook struct {
+	ID        uint   `gorm:"primaryKey;autoIncrement"`
+	Name      string `gorm:"size:100"`
+	Email     string `gorm:"size:200"`
+	HookLog   string `gorm:"size:500"` // 记录 Hook 执行
+	CreatedAt time.Time
+	UpdatedAt time.Time
+}
+
+func (UserWithHook) TableName() string {
+	return "TEST_USERS_HOOK"
+}
+
+func (u *UserWithHook) BeforeCreate(tx *gorm.DB) error {
+	u.HookLog += "BeforeCreate;"
+	return nil
+}
+
+func (u *UserWithHook) AfterCreate(tx *gorm.DB) error {
+	u.HookLog += "AfterCreate;"
+	return nil
+}
+
+func (u *UserWithHook) BeforeUpdate(tx *gorm.DB) error {
+	u.HookLog += "BeforeUpdate;"
+	return nil
+}
+
+func (u *UserWithHook) AfterUpdate(tx *gorm.DB) error {
+	u.HookLog += "AfterUpdate;"
+	return nil
+}
+
+func (u *UserWithHook) BeforeDelete(tx *gorm.DB) error {
+	u.HookLog += "BeforeDelete;"
+	return nil
+}
+
+func (u *UserWithHook) AfterDelete(tx *gorm.DB) error {
+	u.HookLog += "AfterDelete;"
+	return nil
+}
+
+func TestHooks(t *testing.T) {
+	// 创建表
+	if err := DB.AutoMigrate(&UserWithHook{}); err != nil {
+		t.Fatalf("failed to migrate: %v", err)
+	}
+	clearTable(t, "TEST_USERS_HOOK")
+
+	// 测试 Create Hook
+	user := UserWithHook{Name: "Hook Test", Email: "hook@example.com"}
+	result := DB.Create(&user)
+	if result.Error != nil {
+		t.Fatalf("failed to create: %v", result.Error)
+	}
+
+	if user.HookLog == "" {
+		t.Error("expected hooks to be called")
+	}
+	t.Logf("Hook log after create: %s", user.HookLog)
+
+	// 测试 Update Hook
+	user.HookLog = "" // 清空
+	if err := DB.Model(&user).Update("name", "Updated Name").Error; err != nil {
+		t.Fatalf("failed to update: %v", err)
+	}
+	t.Logf("Hook log after update: %s", user.HookLog)
+	if user.HookLog == "" {
+		t.Error("expected update hooks to be called")
+	}
+
+	// 测试 Delete Hook
+	user.HookLog = "" // 清空
+	if err := DB.Delete(&user).Error; err != nil {
+		t.Fatalf("failed to delete: %v", err)
+	}
+	t.Logf("Hook log after delete: %s", user.HookLog)
+	if user.HookLog == "" {
+		t.Error("expected delete hooks to be called")
+	}
+}