> From: "ascot.m...@gmail.com" <ascot.m...@gmail.com>
> To: PostgreSQL general <pgsql-general@postgresql.org>
> Cc: ascot.m...@gmail.com
> Sent: Thursday, 8 August 2013, 14:52
> Subject: [GENERAL] How to find transaction ID
> 
> Hi,
> 
> I am trying some restore tools,  can you advise how to find the latest 
> transaction ID in PostgreSQL and the transaction ID at a particular 
> "Point-In-Time"?
> 

Hmm, it's not clear entirely what you want.  Afaik "select txid_current()" 
should get you the current transaction id. The column xmin for a row from any 
table will get you the inserting transaction id, and xmax will get you the 
deleting (or attempted delete) transaction id.

See http://www.postgresql.org/docs/9.0/static/functions-info.html


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