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https://issues.apache.org/jira/browse/SPARK-9571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin updated SPARK-9571:
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Summary: Improve expression function coverage (was: Improve expression
function coverage (Spark 1.6))
> 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
>
> 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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