Re: [Firebird-devel] Collection of garbage in record with uncommitted version

[Dimitry S. <sd...@ib...>]

13.05.2014 13:36, Vlad Khorsun wrote:
>     Yes

   How? If I remember your lesson right, garbage in a record is collected only if head 
version is marked with transaction number lesser that OAT.

>      list_staying used to undo dead record version. It is not a most often operation.

   Actually, it is used in following cases:

1) Undo with VIO_backout().
2) Undo of update_in_place() in VIO_verb_cleanup().
3) Applying third and following changes of the same record in one transaction.

-- 
   WBR, SD.