Re: simplifying foreign key/RI checks

Hi Amit-san,

> +           case TM_Invisible:
> +               elog(ERROR, "attempted to lock invisible tuple");
> +               break;
> +
> +           case TM_SelfModified:
> +           case TM_BeingModified:
> +           case TM_WouldBlock:
> +               elog(ERROR, "unexpected table_tuple_lock status: %u", res);
> +               break;
> 
> +           default:
> +               elog(ERROR, "unrecognized table_tuple_lock status: %u", res);
> 
> All of these are meant as debugging elog()s for cases that won't
> normally occur.  IIUC, the discussion at the linked thread excludes
> those from consideration.

Thanks for your explanation.
Ah, I reread the thread, and I now realized that user visible log messages
are the target to replace. I understood that that elog() for the cases won't
normally occur. Sorry for the noise.

Regards,
Tatsuro Yamada