> Robert Haas wrote: > Noah Misch wrote: >> Based on the range of assessments spanning your "almost useless" >> to Merlin's "killer feature", I gather that its utility is >> exceptionally site-specific. > > Well said, sir. +1 > I find it a rather elegant and well-thought-out kludge. Global temporary tables as a feature are far more than a kludge; I assume you're talking about that feature as a solution for the "no temporary tables on a hot standby" problem? Even there I would consider GTT as more than a kludge. They have been part of the SQL standard since at least the SQL-93 version, and have some very clean, clear uses. > It is pretty obvious that we could get around all of these problems > easily if we instead did logical replication. > So, I can't help wonder if what we're really missing here is a > high-performance, log-based logical replication solution with good > core support. The GSoC xReader project is intended to be a major step toward that, by providing a way to translate the WAL stream to a series of notifications of logical events to clients which register with xReader. -Kevin
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