Andres Freund <andres@2ndquadrant.com> writes:
> On Thursday, September 20, 2012 11:38:52 PM Tom Lane wrote:
>> Sure, but what about the heap? The case I was speculating about was
>> that the heap had been truncated, but because of the corruption problem,
>> the index still had heap pointers in it. We don't know what file 16585
>> is supposed to be.
> Wouldn't the truncation have created a completely new index relation?
If it were an actual TRUNCATE, yeah. But it could be a case of VACUUM
truncating a now-empty table to zero blocks.
But nothing like this would explain the OP's report that corruption is
completely reproducible for him. So I like your theory about hash index
use better. We really oughta get some WAL support in there.
regards, tom lane