return c.db.Ping()
}

// If you use BeginTx returned *sql.Tx as shown below then you can't record queries in a transaction.
//
//	func (c *wrapperConnPool) BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error) {
//		 return c.db.BeginTx(ctx, opts)
//	}
//
// You should use BeginTx returned gorm.Tx which could wrap *sql.Tx then you can record all queries.

	SavePoint(tx *DB, name string) error
	RollbackTo(tx *DB, name string) error
}

// TxBeginner tx beginner
type TxBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (*sql.Tx, error)
}

// ConnPoolBeginner conn pool beginner
type ConnPoolBeginner interface {
	BeginTx(ctx context.Context, opts *sql.TxOptions) (ConnPool, error)
}

// TxCommitter tx committer
type TxCommitter interface {
	Commit() error

	db.PreparedSQL = append(db.PreparedSQL, query)
	db.Mux.Unlock()

	return cacheStmt, nil
}

func (db *PreparedStmtDB) BeginTx(ctx context.Context, opt *sql.TxOptions) (ConnPool, error) {
	if beginner, ok := db.ConnPool.(TxBeginner); ok {
		tx, err := beginner.BeginTx(ctx, opt)
		return &PreparedStmtTX{PreparedStmtDB: db, Tx: tx}, err
	}

	beginner, ok := db.ConnPool.(ConnPoolBeginner)
	if !ok {

pkg database/sql, const LevelWriteCommitted = 3
pkg database/sql, const LevelWriteCommitted IsolationLevel
pkg database/sql/driver, type ConnBeginTx interface { BeginTx }
pkg database/sql/driver, type ConnBeginTx interface, BeginTx(context.Context, TxOptions) (Tx, error)
pkg database/sql/driver, type ConnPrepareContext interface { PrepareContext }

	if len(opts) > 0 {
		opt = opts[0]
	}

	switch beginner := tx.Statement.ConnPool.(type) {
	case TxBeginner:
		tx.Statement.ConnPool, err = beginner.BeginTx(tx.Statement.Context, opt)
	case ConnPoolBeginner:
		tx.Statement.ConnPool, err = beginner.BeginTx(tx.Statement.Context, opt)
	default:
		err = ErrInvalidTransaction
	}

	if err != nil {
		tx.AddError(err)
	}

	return tx
}

pkg crypto, const BLAKE2b_512 Hash
pkg crypto, const BLAKE2s_256 = 16
pkg crypto, const BLAKE2s_256 Hash
pkg crypto/x509, type Certificate struct, ExcludedDNSDomains []string
pkg database/sql, method (*Conn) BeginTx(context.Context, *TxOptions) (*Tx, error)
pkg database/sql, method (*Conn) Close() error
pkg database/sql, method (*Conn) ExecContext(context.Context, string, ...interface{}) (Result, error)