On Thursday, August 30, 2012 06:06:59 PM Robert Haas wrote: > On Thu, Aug 30, 2012 at 10:36 AM, Miroslav Šimulčík > > <simulcik.m...@gmail.com> wrote: > > is there any way to check if row have already been modified by the > > current transaction? I tried condition txid_current() = xmin, but there > > is problem with the savepoints. After every savepoint rows are getting > > higher xmin values, but txid_current() remains the same. > > It sounds like you're looking for a function that will give an array > of all XIDs for the current transcation, rather than just the XID of > the current sub-transaction. I don't think we currently expose that. txid_current_snapshot(), txis_visible_in_snapshot() may work.
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