On Mon, Dec 21, 2015 at 6:28 PM, David Rowley
<david.row...@2ndquadrant.com> wrote:
> According to grep -rE "appendStringInfoString\(.*\.data\);" . we have 13
> such matches. None of them seem to be in very performance critical places,
> perhaps with the exception of xmlconcat().
>
> Would you say that we should build a macro to wrap up a call to
> appendBinaryStringInfo() or invent another function which looks similar?
The macro probably would have a multiple evaluation hazard, so I'd be
inclined to invent a function. I mean, yeah, you could use a do { }
while (0) block to fix the multiple evaluation, but complex macros are
harder to read than functions, and not necessarily any faster.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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