On Feb 10, 2011, at 9:44 PM, Andrew Dunstan wrote:

> 
> 
> On 02/10/2011 08:15 AM, Alexey Klyukin wrote:
>> On Feb 9, 2011, at 9:28 PM, Alex Hunsaker wrote:
>> 
>>> On Wed, Feb 9, 2011 at 08:24, Alexey Klyukin<al...@commandprompt.com>  
>>> wrote:
>>>> What was actually broken in encode_array_literal support of composite types
>>>> (it converted perl hashes to the literal composite-type constants, 
>>>> expanding
>>>> nested arrays along the way) ? I think it would be a useful extension of 
>>>> the
>>>> existing encode_array_literal.
>>> Yeah, It does not work because it did not take into account the order
>>> of composite columns. It always put them alphabetically by column
>>> name. To do it properly we would need to pass in a typid or a column
>>> order or something. Ideally we could expose the new
>>> plperl_array_to_datum() to plperl functions in some manner.
>> Damn, right. Each perl hash corresponds to multiple composite types, 
>> different
>> by the order of the type elements. Passing the typid sounds like a fair
>> requirement (and if it's missing we could assume that the order of columns in
>> composites doesn't matter to the caller).
>> 
>> Let me try implementing that as an XS interface to plperl_array_to_datum.
> 
> 
> Are you intending this as a completion of the current patch or as 9.2 work? 
> If the former you need to send it in real fast.

I'd like to extend the current patch, going to post the update by tomorrow. 

/A

--
Alexey Klyukin
The PostgreSQL Company - Command Prompt, Inc.





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