diff options
Diffstat (limited to 'R')
| -rw-r--r-- | R/pkg/R/DataFrame.R | 4 | ||||
| -rw-r--r-- | R/pkg/inst/tests/testthat/test_sparkSQL.R | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/R/pkg/R/DataFrame.R b/R/pkg/R/DataFrame.R index cc4cfa3423..e33d0d8e29 100644 --- a/R/pkg/R/DataFrame.R +++ b/R/pkg/R/DataFrame.R @@ -280,7 +280,7 @@ setMethod("dtypes", #' Column Names of SparkDataFrame #' -#' Return all column names as a list. +#' Return a vector of column names. #' #' @param x a SparkDataFrame. #' @@ -338,7 +338,7 @@ setMethod("colnames", }) #' @param value a character vector. Must have the same length as the number -#' of columns in the SparkDataFrame. +#' of columns to be renamed. #' @rdname columns #' @aliases colnames<-,SparkDataFrame-method #' @name colnames<- diff --git a/R/pkg/inst/tests/testthat/test_sparkSQL.R b/R/pkg/inst/tests/testthat/test_sparkSQL.R index ce0f5a198a..1dd8c5ce6c 100644 --- a/R/pkg/inst/tests/testthat/test_sparkSQL.R +++ b/R/pkg/inst/tests/testthat/test_sparkSQL.R @@ -898,6 +898,12 @@ test_that("names() colnames() set the column names", { expect_equal(names(z)[3], "c") names(z)[3] <- "c2" expect_equal(names(z)[3], "c2") + + # Test subset assignment + colnames(df)[1] <- "col5" + expect_equal(colnames(df)[1], "col5") + names(df)[2] <- "col6" + expect_equal(names(df)[2], "col6") }) test_that("head() and first() return the correct data", { |