createOrReplaceTempView {SparkR} | R Documentation |
Creates a new temporary view using a SparkDataFrame in the Spark Session. If a temporary view with the same name already exists, replaces it.
createOrReplaceTempView(x, viewName) ## S4 method for signature 'SparkDataFrame,character' createOrReplaceTempView(x, viewName)
x |
A SparkDataFrame |
viewName |
A character vector containing the name of the table |
createOrReplaceTempView since 2.0.0
Other SparkDataFrame functions: SparkDataFrame-class
,
agg
, arrange
,
as.data.frame
, attach
,
cache
, coalesce
,
collect
, colnames
,
coltypes
, crossJoin
,
dapplyCollect
, dapply
,
describe
, dim
,
distinct
, dropDuplicates
,
dropna
, drop
,
dtypes
, except
,
explain
, filter
,
first
, gapplyCollect
,
gapply
, getNumPartitions
,
group_by
, head
,
histogram
, insertInto
,
intersect
, isLocal
,
join
, limit
,
merge
, mutate
,
ncol
, nrow
,
persist
, printSchema
,
randomSplit
, rbind
,
registerTempTable
, rename
,
repartition
, sample
,
saveAsTable
, schema
,
selectExpr
, select
,
showDF
, show
,
storageLevel
, str
,
subset
, take
,
union
, unpersist
,
withColumn
, with
,
write.df
, write.jdbc
,
write.json
, write.orc
,
write.parquet
, write.text
## Not run:
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D createOrReplaceTempView(df, "json_df")
##D new_df <- sql("SELECT * FROM json_df")
## End(Not run)