[
https://issues.apache.org/jira/browse/SPARK-14415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15227269#comment-15227269
]
Apache Spark commented on SPARK-14415:
--------------------------------------
User 'dongjoon-hyun' has created a pull request for this issue:
https://github.com/apache/spark/pull/12185
> Add ExpressionDescription annotation for SQL expressions
> --------------------------------------------------------
>
> Key: SPARK-14415
> URL: https://issues.apache.org/jira/browse/SPARK-14415
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Dongjoon Hyun
>
> For Spark SQL, this issue aims to show the following function (expression)
> description properly by adding `ExpressionDescription` annotation.
> *Functions*
> abs
> acos
> asin
> atan
> atan2
> ascii
> base64
> bin
> ceil
> ceiling
> concat
> concat_ws
> conv
> cos
> cosh
> decode
> degrees
> e
> encode
> exp
> expm1
> hex
> hypot
> factorial
> find_in_set
> floor
> format_number
> format_string
> instr
> length
> levenshtein
> locate
> log
> log2
> log10
> log1p
> lpad
> ltrim
> pi
> pmod
> pow
> power
> radians
> repeat
> reverse
> round
> rpad
> rtrim
> shiftleft
> shiftright
> shiftrightunsigned
> signum
> sin
> sinh
> soundex
> sqrt
> substr
> substring
> substring_index
> tan
> tanh
> translate
> trim
> unbase64
> unhex
> *Files*
> sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala
> sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/mathExpressions.scala
> sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
> *Before*
> {code}
> scala> sql("desc function extended `sin`").collect().foreach(println)
> [Function: sin]
> [Class: org.apache.spark.sql.catalyst.expressions.Sin]
> [Usage: To be added.]
> [Extended Usage:
> To be added.]
> {code}
> *After*
> {code}
> scala> sql("desc function extended `sin`").collect().foreach(println);
> [Function: sin]
> [Class: org.apache.spark.sql.catalyst.expressions.Sin]
> [Usage: sin(x) - Returns the sine of x.]
> [Extended Usage:
> > SELECT sin(0);
> 0.0]
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
