On 05/30/2014 01:41 PM, Tom Lane wrote:
Andrew Dunstan <and...@dunslane.net> writes:
If we're going to construct varlena objects inside a StringInfo, maybe
we need a proper API for it. Isn't there a danger that data member of
the StringInfo won't be properly aligned to allow us to do this? In any
case, we should get most of the benefit of your patch without this
As noted, the data buffer is maxaligned; but nonetheless I agree that
this is a serious stylistic abuse, and it's not buying much compared
to the rest of the patch.  I'd stick with the cstring_to_text_with_len

At the other end of the process, why are we using PG_GETARG_TEXT_P
and not PG_GETARG_TEXT_PP to avoid a "detoast" cycle on short-header
inputs?  The function body is using VARDATA_ANY/VARSIZE_ANY_EXHDR,
so it's already prepared for unaligned input.


Committed with these changes.



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