cacheTable: Cache Table
In SparkR: R Front End for 'Apache Spark'
Description
Usage
Arguments
Value
Note
Examples
Description
Caches the specified table in-memory.
Usage
1
cacheTable(tableName)
Arguments
tableName
the qualified or unqualified name that designates a table. If no database
identifier is provided, it refers to a table in the current database.
Value
SparkDataFrame
Note
cacheTable since 1.4.0
Examples
1
2
3
4
5
6
7
8
## Not run:
sparkR.session()
path <- "path/to/file.json"
df <- read.json(path)
createOrReplaceTempView(df, "table")
cacheTable("table")
## End(Not run)
SparkR documentation built on June 3, 2021, 5:05 p.m.
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Description Usage Arguments Value Note Examples
Description
Caches the specified table in-memory.
Usage
1 | cacheTable(tableName)
|
Arguments
tableName |
the qualified or unqualified name that designates a table. If no database identifier is provided, it refers to a table in the current database. |
Value
SparkDataFrame
Note
cacheTable since 1.4.0
Examples
1 2 3 4 5 6 7 8 | ## Not run:
sparkR.session()
path <- "path/to/file.json"
df <- read.json(path)
createOrReplaceTempView(df, "table")
cacheTable("table")
## End(Not run)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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