diff options
Diffstat (limited to 'R/pkg/R/SQLContext.R')
| -rw-r--r-- | R/pkg/R/SQLContext.R | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/R/pkg/R/SQLContext.R b/R/pkg/R/SQLContext.R index a1edef7608..c2a1e240ad 100644 --- a/R/pkg/R/SQLContext.R +++ b/R/pkg/R/SQLContext.R @@ -544,12 +544,15 @@ sql <- function(x, ...) { dispatchFunc("sql(sqlQuery)", x, ...) } -#' Create a SparkDataFrame from a SparkSQL Table +#' Create a SparkDataFrame from a SparkSQL table or view #' -#' Returns the specified Table as a SparkDataFrame. The Table must have already been registered -#' in the SparkSession. +#' Returns the specified table or view as a SparkDataFrame. The table or view must already exist or +#' have already been registered in the SparkSession. #' -#' @param tableName The SparkSQL Table to convert to a SparkDataFrame. +#' @param tableName the qualified or unqualified name that designates a table or view. If a database +#' is specified, it identifies the table/view from the database. +#' Otherwise, it first attempts to find a temporary view with the given name +#' and then match the table/view from the current database. #' @return SparkDataFrame #' @rdname tableToDF #' @name tableToDF |