[jira] [Resolved] (SPARK-9571) Improve expression function coverage

["Reynold Xin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-9571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin resolved SPARK-9571.
--------------------------------
       Resolution: Fixed
         Assignee: Reynold Xin
    Fix Version/s: 2.0.0

> Improve expression function coverage
> ------------------------------------
>
>                 Key: SPARK-9571
>                 URL: https://issues.apache.org/jira/browse/SPARK-9571
>             Project: Spark
>          Issue Type: Umbrella
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>             Fix For: 2.0.0
>
>
> This is an umbrella ticket to track new expressions we are adding to SQL/DataFrame in 1.6+.
> For each new expression, we should:
> 1. Add a new Expression implementation in org.apache.spark.sql.catalyst.expressions
> 2. If applicable, implement the code generated version (by implementing genCode).
> 3. Add comprehensive unit tests (for all the data types the expressions support).
> 4. If applicable, add a new function for DataFrame in org.apache.spark.sql.functions, and python/pyspark/sql/functions.py for Python.



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