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[SPARK-36688][R] Add cot as an R function #33925

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yutoacts wants to merge 8 commits into from
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[SPARK-36688][R] Add cot as an R function #33925

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c7b7e1d
add cotangent support on DataFrame
Sep 3, 2021
ee170d6
add cotangent support on PySpark
Sep 3, 2021
c142527
Apply suggestions from code review
yutoacts Sep 3, 2021
a4ec1e1
removed cot function with string parameter
Sep 6, 2021
dd789d1
Merge branch 'master' of https://github.com/apache/spark into SPARK-3…
Sep 7, 2021
d0d65fc
add cot as a R function
Sep 7, 2021
61f58d2
trigger AppVeyor
Sep 7, 2021
d13384a
added to generic.R and unit-test in test_sparkSQL.R
Sep 8, 2021
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1 change: 1 addition & 0 deletions R/pkg/NAMESPACE
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Expand Up @@ -259,6 +259,7 @@ exportMethods("%<=>%",
"conv",
"cos",
"cosh",
"cot",
"count",
"count_distinct",
"countDistinct",
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13 changes: 13 additions & 0 deletions R/pkg/R/functions.R
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Expand Up @@ -870,6 +870,19 @@ setMethod("cosh",
column(jc)
})

#' @details
#' \code{cot}: Returns the cotangent of the given value.
#'
#' @rdname column_math_functions
#' @aliases cot cot,Column-method
#' @note cot since 3.3.0
setMethod("cot",
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@HyukjinKwon HyukjinKwon Sep 7, 2021

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I think you should also add it into R/pkg/R/generics.R, and add a simple test at R/pkg/tests/fulltests/test_sparkSQL.R.

Also, let's create a separate JIRA for this one.

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@yutoacts yutoacts Sep 8, 2021

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Thanks, just added.
So, if I add a new function, should I make a JIRA ticket and PR separately just for R implementation?

signature(x = "Column"),
function(x) {
jc <- callJStatic("org.apache.spark.sql.functions", "cot", x@jc)
column(jc)
})

#' Returns the number of items in a group
#'
#' This can be used as a column aggregate function with \code{Column} as input,
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