Function sql_function_parse_error_callback

src/backend/catalog/pg_proc.c:1061–1072

* Error context callback for handling errors in SQL function definitions */

 * Error context callback for handling errors in SQL function definitions
 */
static void
sql_function_parse_error_callback(void *arg)
{
	parse_error_callback_arg *callback_arg = (parse_error_callback_arg *) arg;

	/* See if it's a syntax error; if so, transpose to CREATE FUNCTION */
	if (!function_parse_error_transpose(callback_arg->prosrc))
	{
		/* If it's not a syntax error, push info onto context stack */
		errcontext("SQL function \"%s\"", callback_arg->proname);
	}
}

/*
 * Adjust a syntax error occurring inside the function body of a CREATE