Function import_error_callback

src/backend/commands/foreigncmds.c:1814–1832

* error context callback to let us supply the failing SQL statement's text */

 * error context callback to let us supply the failing SQL statement's text
 */
static void
import_error_callback(void *arg)
{
	import_error_callback_arg *callback_arg = (import_error_callback_arg *) arg;
	int			syntaxerrposition;

	/* If it's a syntax error, convert to internal syntax error report */
	syntaxerrposition = geterrposition();
	if (syntaxerrposition > 0)
	{
		errposition(0);
		internalerrposition(syntaxerrposition);
		internalerrquery(callback_arg->cmd);
	}

	if (callback_arg->tablename)
		errcontext("importing foreign table \"%s\"",
				   callback_arg->tablename);
}