Hi,
On June 5, 2019 12:14:42 PM PDT, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
>On 2019-Jun-05, Andres Freund wrote:
>
>> I'd much rather see this tackled in a general way than fiddling with
>> individual datatypes. I think we should:
>>
>> 1) make fetch_att(), store_att_byval() etc support datums of any
>length
>> between 1 and <= sizeof(Datum). Probably also convert them to
>inline
>> functions. There's a few more functions to be adjusted, but not
>many,
>> I think.
>
>Does this mean that datatypes that are >4 and <=8 bytes need to handle
>both cases? Is it possible for them to detect the current environment?
Well, the conversion macros need to know. You can look at float8 for an example of the difference - it's pretty
centralized.We should provide a few helper macros to abstract that away.
Andres
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