See PgQ (pdf) for an interesting look at the various ways of implementing message queues on top of an RDBMS (handily Pg), along with their limitations and finally their solution--which they naturally claim addresses all the limitations.

Their solution is OSS (BSD) but in Python. If that's a barrier, then at least their design and analysis may be of interest.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re: Working with large number of small constantly updated records by BrowserUk
in thread Working with large number of small constantly updated records by techcode

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