| 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, alias,
arrange, as.data.frame,
attach,SparkDataFrame-method,
broadcast, cache,
checkpoint, coalesce,
collect, colnames,
coltypes, crossJoin,
cube, dapplyCollect,
dapply, describe,
dim, distinct,
dropDuplicates, dropna,
drop, dtypes,
except, explain,
filter, first,
gapplyCollect, gapply,
getNumPartitions, group_by,
head, hint,
histogram, insertInto,
intersect, isLocal,
isStreaming, join,
limit, localCheckpoint,
merge, mutate,
ncol, nrow,
persist, printSchema,
randomSplit, rbind,
registerTempTable, rename,
repartition, rollup,
sample, saveAsTable,
schema, selectExpr,
select, showDF,
show, storageLevel,
str, subset,
summary, take,
toJSON, unionByName,
union, unpersist,
withColumn, withWatermark,
with, write.df,
write.jdbc, write.json,
write.orc, write.parquet,
write.stream, 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)