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https://issues.apache.org/jira/browse/SPARK-8159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612728#comment-14612728
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Cheng Hao commented on SPARK-8159:
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Will that possible to add all of the expressions support in a SINGLE PR for
Python API and another SINGLE PR for R, after we finish all of the expressions?
At least we can save the of jenkins resources compare to adding them one by one.
> Improve SQL/DataFrame expression coverage
> -----------------------------------------
>
> Key: SPARK-8159
> URL: https://issues.apache.org/jira/browse/SPARK-8159
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Reynold Xin
>
> This is an umbrella ticket to track new expressions we are adding to
> SQL/DataFrame.
> 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.
> For date/time functions, put them in expressions/datetime.scala, and create a
> DateTimeFunctionSuite.scala for testing.
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