[GENERAL] Re: have trouble understanding xmin and xmax with update operationsfrom two different sessions - Mailing list pgsql-general

From rajan
Subject [GENERAL] Re: have trouble understanding xmin and xmax with update operationsfrom two different sessions
Date
Msg-id 1499103597177-5969857.post@n3.nabble.com
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In response to Re: [GENERAL] Re: have trouble understanding xmin and xmax withupdate operations from two different sessions  (Jeff Janes <jeff.janes@gmail.com>)
Responses Re: [GENERAL] Re: have trouble understanding xmin and xmax withupdate operations from two different sessions  (Jeff Janes <jeff.janes@gmail.com>)
List pgsql-general
Thanks, Jeff.

Now I am going back to my old question.

Even though *Session 2* fails to update with UPDATE 0 message, its txid is
saved in xmax of updated(by *Session 1*) tuple.

As it becomes an old txid, how come new txids are able to view it?



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Thanks,
Rajan.
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