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https://issues.apache.org/jira/browse/SEDONA-113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17526143#comment-17526143
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Pooja Kulkarni commented on SEDONA-113:
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Added ST_PointN in Flink with unit test cases
All unit test cases passed successfully (for linestring geometry with a
positive and negative value of n)
Started implementing ST_PointN for Spark SQL
> Add ST_PointN to Apache Sedona
> ------------------------------
>
> Key: SEDONA-113
> URL: https://issues.apache.org/jira/browse/SEDONA-113
> Project: Apache Sedona
> Issue Type: Improvement
> Reporter: Pooja Kulkarni
> Assignee: Pooja Kulkarni
> Priority: Major
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> The purpose of this task is to add the function "ST_PointN" to the Apache
> Sedona project
> The function simply returns the nth point of the given geometry (which could
> be a linestring or a circular line string)
> [https://postgis.net/docs/ST_PointN.html|http://example.com]
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