show

Description

Print class and type information of a Spark object.

Usage

## S4 method for signature 'Column'
show(object)

## S4 method for signature 'GroupedData'
show(object)

## S4 method for signature 'SparkDataFrame'
show(object)

## S4 method for signature 'WindowSpec'
show(object)

## S4 method for signature 'StreamingQuery'
show(object)

Arguments

Note

show(Column) since 1.4.0

show(GroupedData) since 1.4.0

show(SparkDataFrame) since 1.4.0

show(WindowSpec) since 2.0.0

show(StreamingQuery) since 2.2.0

See Also

Other SparkDataFrame functions: SparkDataFrame-class, agg, alias, arrange, as.data.frame, attach,SparkDataFrame-method, broadcast, cache, checkpoint, coalesce, collect, colnames, coltypes, createOrReplaceTempView, crossJoin, cube, dapplyCollect, dapply, describe, dim, distinct, dropDuplicates, dropna, drop, dtypes, exceptAll, except, explain, filter, first, gapplyCollect, gapply, getNumPartitions, group_by, head, hint, histogram, insertInto, intersectAll, intersect, isLocal, isStreaming, join, limit, localCheckpoint, merge, mutate, ncol, nrow, persist, printSchema, randomSplit, rbind, rename, repartitionByRange, repartition, rollup, sample, saveAsTable, schema, selectExpr, select, showDF, 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

Examples

## Not run: 
##D sparkR.session()
##D path <- "path/to/file.json"
##D df <- read.json(path)
##D show(df)
## End(Not run)