On Dec 11, 2010, at 2:27 PM, Andrew Dunstan wrote:

> Yesterday I did a bit of work on allowing bytea values to be passed into and 
> out of plperl in binary format, effectively removing the need to escape and 
> de-escape them. (The work can be seen on he plperlargs branch of my 
> development repo at 
> <https://github.com/adunstan/postgresql-dev/commits/plperlargs/>).

andrew++ # Woo!

> At the moment the behaviour is triggered by a custom setting 
> (plperl.pass_binary_bytea), but this isn't really satisfactory. We could turn 
> it on  permanently, but that would break a lot of legacy code. What we really 
> need is a way of marking a function with some attributes. Of course, we could 
> put it in the program text like plpgsql's #variable_conflict, but that's 
> really rather ugly. The grammar already has an attribute mechanism for 
> functions, and ISTM we just need to extend that a bit to allow setting of 
> function attributes reasonably flexibly, much as we can now specify format 
> options on EXPLAIN or we'll soon be able to specify options for foreign table

What does the existing attribute grammar for functions look like? An example 
perhaps?

Best,

David


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