Method PurposelyUnimplemented

postgres/parser/parser/lexer.go:191–202

PurposelyUnimplemented wraps Error, setting lastUnimplementedError.

(feature string, reason string)

// PurposelyUnimplemented wraps Error, setting lastUnimplementedError.
func (l *lexer) PurposelyUnimplemented(feature string, reason string) {
	// We purposely do not use unimp here, as it appends hints to suggest that
	// the error may be actively tracked as a bug.
	l.lastError = errors.WithHint(
		errors.WithTelemetry(
			pgerror.Newf(pgcode.Syntax, "unimplemented: this syntax"),
			fmt.Sprintf("sql.purposely_unimplemented.%s", feature),
		),
		reason,
	)
	l.populateErrorDetails()
}

// setErr is called from parsing action rules to register an error observed
// while running the action. That error becomes the actual "cause" of the