Re: Packed Varlena Update (v21)

Added to TODO:

        o Allow single-byte header storage for arrays


---------------------------------------------------------------------------

Tom Lane wrote:
> Gregory Stark <stark@enterprisedb.com> writes:
> > "Tom Lane" <tgl@sss.pgh.pa.us> writes:
> >> Forgot to mention: one of the revisions was to not add the "sizes.sql"
> >> test, because the output was platform-dependent and is likely to get
> >> more so if any ability to change the toast thresholds gets put in.
> >> Can we improve that test to not expose any platform-dependent numbers?
>
> > I had imagined that we would have two versions of output files. Other than
> > 32-bit versus 64-bit what other platform-dependent variations enter into it?
>
> If there'd be only two then I'd be all right with it, but I'm worried
> that making TOAST thresholds configurable would result in lots more
> possible outputs than that.
>
> BTW, another area that should be kept on the TODO list is to see whether
> it makes sense to support 1-byte-header format for array elements.
> I looked at that briefly while reviewing the patch but decided it was a
> large additional chunk of work and not on the critical path.
>
>             regards, tom lane
>
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  Bruce Momjian  <bruce@momjian.us>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

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