On Tue, 2007-08-14 at 12:09 -0400, Tom Lane wrote:

> I think this is better done by code inspection, ie, look for places that
> assume HEAP_XMIN/XMAX_COMMITTED is or can be set.
> I made a pass over CVS HEAD and found some apparent trouble spots:
> heapam.c lines 1843-1852 presume previous xmax can be hinted
> immediately, ditto lines 2167-2176, ditto lines 2716-2725.
> I think probably we should just remove those lines --- they are only
> trying to save work for future tqual.c calls.

I'll check those out later tonight.

  Simon Riggs
  EnterpriseDB  http://www.enterprisedb.com

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