On 24 Nov 2009, at 6:17pm, Erin Drummond wrote:

>> What, precisely, do you poll ?
> A few mutually exclusive tables in the database to check for changes.

Depending on what you care about, you might find it easier to check

PRAGMA count_changes

either instead of what you currently poll, or as an easy first stage check, to 
see whether you need to do the more 'expensive' reading of table contents.

But I see elsewhere in your reply you may not need to poll at all, so it's all 
good.

Simon.
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