Re: BUG #5507: missing chunk number 0 for toast value XXXXX in pg_toast_XXXXX

"Shinji Nakajima" <sinakaj@jops.co.jp> writes:
> Error message called "missing chunk number" occurred when I did select of
> the specific column of the specific table.

This might indicate that the toast table's index was corrupted.

> I delete a record, and the system restores, but prime cause is unknown.
> Will this be a bug of the databases?

Perhaps, but there's not a lot we can do without a lot more information...

            regards, tom lane