[jira] (SPARK-19393) Add `approx_percentile` Dataframe API

[Apache Spark (JIRA)]

Title: Message Title

Apache Spark commented on SPARK-19393   Re: Add `approx_percentile` Dataframe API User 'lw-lin' has created a pull request for this issue: https://github.com/apache/spark/pull/16731 Add Comment   This message was sent by Atlassian JIRA (v6.3.15#6346-sha1:dbc023d)