jackc/pgx · error

convert field %d failed: %w

Error message

convert field %d failed: %w

What it means

Error "convert field %d failed: %w" thrown in jackc/pgx.

Source

Thrown at stdlib/sql.go:882

		r.skipNext = false
	} else {
		more = r.rows.Next()
	}

	if !more {
		if r.rows.Err() == nil {
			return io.EOF
		} else {
			return r.rows.Err()
		}
	}

	for i, rv := range r.rows.RawValues() {
		if rv != nil {
			var err error
			dest[i], err = r.valueFuncs[i](rv)
			if err != nil {
				return fmt.Errorf("convert field %d failed: %w", i, err)
			}
		} else {
			dest[i] = nil
		}
	}

	return nil
}

func convertNamedArguments(args []any, argsV []driver.NamedValue) {
	for i, v := range argsV {
		if v.Value != nil {
			args[i] = v.Value.(any)
		} else {
			args[i] = nil
		}
	}
}

View on GitHub (pinned to ec1a0befd2)

When it happens

Trigger: Thrown at stdlib/sql.go:882 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/7bd0618cc05da000.json. Report an issue: GitHub.