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https://issues.apache.org/jira/browse/SOLR-12352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16474752#comment-16474752
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Shawn Heisey commented on SOLR-12352:
-------------------------------------
Problem confirmed on 6.6.2-SNAPSHOT and 7.3.0. Added the following parameter
to a query:
{noformat}
fl=*,foo:mod(1600463487761383425,1526324140364)
{noformat}
That added the following to each document in the result (wt=json:
{noformat}
"foo":1.28043752E12
{noformat}
I found it irritating that I got exponential notation (and the associated loss
of precision) instead of a true number, but as the issue indicates, the value
is completely wrong. The correct value of 1204927482853 was confirmed both in
a test Java program and with the scientific calculator built into Windows 7.
> Solr mod function query does not yield correct results
> ------------------------------------------------------
>
> Key: SOLR-12352
> URL: https://issues.apache.org/jira/browse/SOLR-12352
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: gnandre
> Priority: Minor
>
> It seems mod operation in function query is not working correctly for large
> numbers.
> "_version_": 1600463487761383425,
> "ms(NOW)": 1526324140364,
> "mod(_version_,ms(NOW))": 1280437520000
>
> However, mod(1600463487761383425,1526324140364) is 1204927482853.
>
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