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/bool.go:63

		*dst = Bool{Bool: src, Valid: true}
		return nil
	case string:
		b, err := strconv.ParseBool(src)
		if err != nil {
			return err
		}
		*dst = Bool{Bool: b, Valid: true}
		return nil
	case []byte:
		b, err := strconv.ParseBool(string(src))
		if err != nil {
			return err
		}
		*dst = Bool{Bool: b, Valid: true}
		return nil
	}

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

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

	return src.Bool, nil
}

// MarshalJSON implements the [encoding/json.Marshaler] interface.
func (src Bool) MarshalJSON() ([]byte, error) {
	if !src.Valid {
		return []byte("null"), nil
	}

	if src.Bool {

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/bool.go:63 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/6ccb00aa23f2a980.json. Report an issue: GitHub.