"Henrik Steffen" <steffen(at)city-map(dot)de> writes:
> this night I got the following error message while
> reindexing the same table that hat non-unique values
> the last days:
> DBD::Pg::st execute failed:
> ERROR: index_formtuple: data takes 536870936 bytes, max is 8191 [for
> statement ``REINDEX TABLE kundenstatistik''])
> Any hint what that could mean?
Ugh :-( ... looks like corrupt data to me, specifically a bad length
word in a variable-length field. Have you checked your disk hardware
lately?
regards, tom lane