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From Walter Underwood <>
Subject Re: Data Changes Logging
Date Sat, 22 Apr 2017 15:43:28 GMT
Do a range search on that field with the desired date range. Request rows=0. Compare the numFound
to the total docs.

Walter Underwood  (my blog)

> On Apr 22, 2017, at 8:40 AM, Rick Leir <> wrote:
> Preeti,
> Suppose you have a field named 'modifiedDate' and you update it when you change the 'column'
(i assume you mean some field in your document). Then you need to decide how often to check
for alerts. When you check for an alert you would do a select with a bit of date math to see
how many of your documents have a recent modifiedDate. I am leaving out the details.
> Cheers -- Rick
> On April 21, 2017 12:28:21 AM EDT, Preeti Bhat <> wrote:
>> Hi All,
>> We got a peculiar requirement from client, not sure whether the SOLR
>> supports it or not. We would like to have alerts in place if we have
>> the changes on the particular column for more than specific threshold
>> on said day.
>> For example: Say, we have column say "Name" on which we have say around
>> 30% changes we would like an alert. I am not sure whether we have some
>> logging mechanism to get this done. Any ideas would be appreciated.
>> Thanks and Regards,
>> Preeti
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> -- 
> Sorry for being brief. Alternate email is rickleir at yahoo dot com

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