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From Callum Lamb <>
Subject Re: Date range warming.
Date Fri, 01 Jul 2016 11:00:15 GMT
Woops, Just realised it's meant to be:



On Fri, Jul 1, 2016 at 11:52 AM, Callum Lamb <> wrote:

> We want to warm some FQ's. The main ones we want to do being date presets
> like "last 6 months", "last year" .etc
> The queries for the last 6 months get generated to look like this from
> site (it's really 6 months -1 day):
> *date_published:([2016-01-02T00:00:00.000Z TO 2016-07-01T23:59:59.999Z])*
> But since I have to represent this is in the firstSearcher section of
> solrconfig.xml I need to use the date math features (Is there another way?
> There doesn't seem to be a JVM system properties with the date in it, and I
> don't want to have to restart solr everyday to update a solr env variable).
> So I have this:
> *date_published:([NOW/DAY-6MONTH+1DAY TO NOW/DAY+1DAY-1SECOND])*
> Which should resolve to the same thing. Is there someway I can check this
> for sure? I get the same results when I run them.
> I have a couple questions though:
> 1. Is Solr smart enough to see that it if the current explicit queries
> that come through are the same as my date math queries and re-use the fq in
> this case? Is there a way to confirm this? I can go and change them to be
> the same as well, not much of an issue, more curious than anything.
> 2. Can Solr re-use fq's with NOW in them at all? Since NOW is changing all
> the time I'm worried there some kind of checker than just sets cache=false
> on all queries containing NOW or worse expands them to the current time and
> caches that, and none of the fq's will ever match it (assuming solr just
> does a strcmp for fq's).
> Cheers,
> Callum.


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