tableToDF {SparkR} | R Documentation |
Returns the specified table or view as a SparkDataFrame. The table or view must already exist or have already been registered in the SparkSession.
tableToDF(tableName)
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. |
SparkDataFrame
tableToDF since 2.0.0
## Not run: sparkR.session() path <- "path/to/file.json" df <- read.json(path) createOrReplaceTempView(df, "table") new_df <- tableToDF("table") ## End(Not run)