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https://issues.apache.org/jira/browse/LENS-566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghavendra Singh closed LENS-566.
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> Add start time for fact as a fact property
> -------------------------------------------
>
> Key: LENS-566
> URL: https://issues.apache.org/jira/browse/LENS-566
> Project: Apache Lens
> Issue Type: Improvement
> Components: cube
> Reporter: Amareshwari Sriramadasu
> Assignee: Rajat Khandelwal
> Priority: Critical
> Fix For: 2.2
>
> Attachments: LENS-566_03.patch
>
>
> When new facts are added and are populated with data from some time onwards,
> having start time property on the facts should help picking eligible facts
> for given range.
> Without the property, if a light fact is added from a later time and with
> lightest fact first flag on, the queries cannot be answered from older range.
> This causes queries to fail.
> Similarly we can add end time as well for the fact.
> Also, there could be some facts on which data is valid from relative start
> time. For example : only 90 days of data is valid. Accepting relative start
> time will allow, even if drop partitions is not uptodate, query can pick
> proper facts.
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