Jan Wieck wrote:
But it is a datum that needs to be collected at the moment where basically the clog entry is made ... I don't think any external module can do that ever.

How atomic does it need to be? External modules can register callbacks that get called right after the clog update and removing the xid from MyProc entry. That's about as close to making the clog entry you can get.

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

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