btw, 9.4 should be wiser in case of rare+common terms,
thanks to GIN fast scan feature.
I'll look forward to it! We have a few other GIN indexes . . .
I don't want to misrepresent my impression of Postgres performance; the only
other case where I've made a significant improvement by tweaking was
pre-checking a couple of tables with count(*) > 0 before using them against
several thousand submissions (checking lists of blocked artists and keywords
against submission details). I've been pleasantly surprised at what it can
handle, especially after index-only scans came out.
--
Laurence "GreenReaper" Parry
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