From: Eric Wong (Contractor, The Linux Foundation) <e@80x24.org>
Date: Mon, 2 Apr 2018 00:04:56 +0000 (+0000)
Subject: over: speedup get_thread by avoiding JOIN
X-Git-Tag: v1.1.0-pre1~73
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=5a44b89fd9f4ef2688b91262736b0f61095ae99c;hp=5a44b89fd9f4ef2688b91262736b0f61095ae99c;p=public-inbox.git

over: speedup get_thread by avoiding JOIN

JOIN operations on SQLite can be disasterously slow.
This reduces per-message pages with the thread overview
at the bottom of those pages from over 800ms to ~60ms.
In comparison, the v1 code took around 70-80ms using
Xapian on my machine.
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