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16 From: Carl Worth <cworth@cworth.org>
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17 To: Olly Betts <olly@survex.com>, notmuch@notmuchmail.org
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18 In-Reply-To: <loom.20091222T234335-482@post.gmane.org>
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19 References: <87oclwrtqa.fsf@jameswestby.net>
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20 <874onoysrl.fsf@yoom.home.cworth.org> <87my1grrdi.fsf@jameswestby.net>
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21 <873a38ypg5.fsf@yoom.home.cworth.org>
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22 <loom.20091222T234335-482@post.gmane.org>
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23 Date: Tue, 22 Dec 2009 16:05:53 -0800
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28 Subject: Re: [notmuch] Missing messages breaking threads
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46 On Tue, 22 Dec 2009 22:48:25 +0000 (UTC), Olly Betts <olly@survex.com> wrot=
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48 > This is just the sort of thing which Xapian's "user metadata" is there
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49 > for. It's essentially a key/value store which is versioned along with
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50 > the rest of the Xapian database. So to set it:
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52 > database.set_metadata("version", "1");
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54 > And to read (and default if not set):
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56 > string version =3D database.get_metadata("version");
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57 > if (version.empty()) version =3D "0";
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61 That is exactly what we'll want here, and is much better than a magic
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64 =2DCarl (grateful to have a Xapian expert keeping watch on the list)
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