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From Robert Muir <>
Subject Re: Does anyone have tips on managing cached filters?
Date Tue, 27 Nov 2012 15:09:45 GMT
On Tue, Nov 27, 2012 at 6:17 AM, Trejkaz <> wrote:

> Ah, yeah... I should have been clearer on what I meant there.
> If you want to make a filter which relies on data that isn't in the
> index, there is no mechanism for invalidation. One example of it is if
> you have a filter which essentially constructs a query based on the
> contents of a text file (like a word list.) Another example is with
> tagging, with the tags stored in an external database.

I don't understand how a filter could become invalid even though the reader
has not changed.

If this is the case in your design, then you have much bigger problems.

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