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https://issues.apache.org/jira/browse/IMPALA-14572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghav Jindal reassigned IMPALA-14572:
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Assignee: Raghav Jindal
> Add support for euclidean distance function
> -------------------------------------------
>
> Key: IMPALA-14572
> URL: https://issues.apache.org/jira/browse/IMPALA-14572
> Project: IMPALA
> Issue Type: Task
> Reporter: Abhishek Rawat
> Assignee: Raghav Jindal
> Priority: Major
>
> The euclidean distance (L2) could be used sometimes when the magnitude of the
> vector (e.g., the frequency or intensity of a feature) is an important
> indicator of similarity. As an example to find similar houses based on sqFt,
> # bedrooms, price, etc., euclidean distance can provide better similarity
> results.
>
> Impala doesn't support a native vector data type yet, so we could possibly
> use an ARRAY<FLOAT> data type for representing vectors.
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