jackc/pgx · error

cannot scan %T

Error message

cannot scan %T

What it means

Error "cannot scan %T" thrown in jackc/pgx.

Source

Thrown at pgtype/time.go:58

}

// Scan implements the [database/sql.Scanner] interface.
func (t *Time) Scan(src any) error {
	if src == nil {
		*t = Time{}
		return nil
	}

	if src, ok := src.(string); ok {
		err := scanPlanTextAnyToTimeScanner{}.Scan([]byte(src), t)
		if err != nil {
			t.Microseconds = 0
			t.Valid = false
		}
		return err
	}

	return fmt.Errorf("cannot scan %T", src)
}

// Value implements the [database/sql/driver.Valuer] interface.
func (t Time) Value() (driver.Value, error) {
	if !t.Valid {
		return nil, nil
	}

	buf, err := TimeCodec{}.PlanEncode(nil, 0, TextFormatCode, t).Encode(t, nil)
	if err != nil {
		return nil, err
	}
	return string(buf), err
}

type TimeCodec struct{}

func (TimeCodec) FormatSupported(format int16) bool {

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/time.go:58 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of jackc/pgx@ec1a0befd2 (2026-08-04). Data as JSON: /data/errors/9ef327efc50d94c0.json. Report an issue: GitHub.