Re: Changeset Extraction v7.1

Hi,

Attached is v7.1 of the patchset with (among others) the following
changes:
* rebase to master
* split the slot support for streaming replication into a separate
patch, early in the series
* slot names are now limited to /[a-z0-9_]{1,NAMEDATALEN-1}/
* computation of the initial xmin for changeset extraction is now done
  with an extra routine getting rid of races around GetOldestXmin()
  going forwards and then backwards and getting rid of an additional
  parameter to GetOldestXmin().
* slot locking is rejiggered according to Robert's suggestions
* comment improvements
* sgml documentation improvements
* ...

I think sgml the documentation is in a reasonable shape now, I'd
appreciate somebody else having a look. I think a bit more effort is
required in protocol.sgml.

Greetings,

Andres Freund

--
 Andres Freund                       http://www.2ndQuadrant.com/
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