Re: Composite Datums containing toasted fields are a bad idea(?)

Поиск
Список
Период
Сортировка
От Andres Freund
Тема Re: Composite Datums containing toasted fields are a bad idea(?)
Дата
Msg-id 20140425151309.GB24957@awork2.anarazel.de
обсуждение исходный текст
Ответ на Re: Composite Datums containing toasted fields are a bad idea(?)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Composite Datums containing toasted fields are a bad idea(?)  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
Hi,

On 2014-04-24 19:40:30 -0400, Tom Lane wrote:
> * Because HeapTupleGetDatum might allocate a new tuple, the wrong thing
> might happen if the caller changes CurrentMemoryContext between
> heap_form_tuple and HeapTupleGetDatum.

It's fscking ugly to allocate memory in a PG_RETURN_... But I don't
really have a better backward compatible idea :(

Greetings,

Andres Freund



В списке pgsql-hackers по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: Composite Datums containing toasted fields are a bad idea(?)
Следующее
От: Greg Stark
Дата:
Сообщение: Re: UUIDs in core WAS: 9.4 Proposal: Initdb creates a single table