type Batch interface {
	Abort() error
	Append(v ...any) error
	AppendStruct(v any) error
	Column(int) BatchColumn
	Flush() error
	Send() error
	IsSent() bool
	Rows() int
	Columns() []column.Interface
}

type BatchColumn interface {
	Append(any) error
	AppendRow(any) error
}

type ColumnType interface {
	Name() string
	Nullable() bool
	ScanType() reflect.Type
	DatabaseTypeName() string
}

type Conn interface {
	Contributors() []string
	ServerVersion() (*ServerVersion, error)
	Select(ctx context.Context, dest any, query string, args ...any) error
	Query(ctx context.Context, query string, args ...any) (Rows, error)
	QueryRow(ctx context.Context, query string, args ...any) Row
	PrepareBatch(ctx context.Context, query string, opts ...PrepareBatchOption) (Batch, error)
	Exec(ctx context.Context, query string, args ...any) error
	AsyncInsert(ctx context.Context, query string, wait bool, args ...any) error
	Ping(context.Context) error
	Stats() Stats
	Close() error
}

type NamedDateValue struct {
	Name  string
	Value time.Time
	Scale uint8
}

type NamedValue struct {
	Name  string
	Value any
}

type PrepareBatchOption func(options *PrepareBatchOptions)

type PrepareBatchOptions struct {
	ReleaseConnection bool
	CloseOnFlush      bool
}

type Row interface {
	Err() error
	Scan(dest ...any) error
	ScanStruct(dest any) error
}

type Rows interface {
	Next() bool
	Scan(dest ...any) error
	ScanStruct(dest any) error
	ColumnTypes() []ColumnType
	Totals(dest ...any) error
	Columns() []string
	Close() error
	Err() error
}

type ServerVersion = proto.ServerHandshake

type Stats struct {
	MaxOpenConns int
	MaxIdleConns int
	Open         int
	Idle         int
}