jackc/pgx · error

cannot convert %v to Line

Error message

cannot convert %v to Line

What it means

Error "cannot convert %v to Line" thrown in jackc/pgx.

Source

Thrown at pgtype/line.go:38

type Line struct {
	A, B, C float64
	Valid   bool
}

// ScanLine implements the [LineScanner] interface.
func (line *Line) ScanLine(v Line) error {
	*line = v
	return nil
}

// LineValue implements the [LineValuer] interface.
func (line Line) LineValue() (Line, error) {
	return line, nil
}

func (line *Line) Set(src any) error {
	return fmt.Errorf("cannot convert %v to Line", src)
}

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

	if src, ok := src.(string); ok {
		return scanPlanTextAnyToLineScanner{}.Scan([]byte(src), line)
	}

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

// Value implements the [database/sql/driver.Valuer] interface.
func (line Line) Value() (driver.Value, error) {

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at pgtype/line.go:38 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/6282a69f5de62bee.json. Report an issue: GitHub.