Re: Serializable Snapshot Isolation - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: Serializable Snapshot Isolation
Date
Msg-id 4C935833.2080303@enterprisedb.com
Whole thread Raw
In response to Re: Serializable Snapshot Isolation  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
List pgsql-hackers
On 17/09/10 14:56, Kevin Grittner wrote:
> Heikki Linnakangas  wrote:
>> Why not use SubTransGetTopmostTransaction() ?
>
> This needs to work when the xid of a transaction is found in the MVCC
> data of a tuple for any overlapping serializable transaction -- even
> if that transaction has completed and its connection has been
> closed. It didn't look to me like SubTransGetTopmostTransaction()
> would work after the transaction was gone.

You're right, it doesn't retain that old transactions. But it could 
easily be modified to do so.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com


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