listColumns: Returns a list of columns for the given table/view in the...
In SparkR: R Front End for 'Apache Spark'
Description
Usage
Arguments
Value
Note
Examples
Description
Returns a list of columns for the given table/view in the specified database.
Usage
1
listColumns(tableName, databaseName = NULL)
Arguments
tableName
the qualified or unqualified name that designates a table/view. If no database
identifier is provided, it refers to a table/view in the current database.
If databaseName parameter is specified, this must be an unqualified name.
databaseName
(optional) name of the database
Value
a SparkDataFrame of the list of column descriptions.
Note
since 2.2.0
Examples
1
2
3
4
5
## Not run:
sparkR.session()
listColumns("mytable")
## 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
Returns a list of columns for the given table/view in the specified database.
Usage
1 | listColumns(tableName, databaseName = NULL)
|
Arguments
tableName |
the qualified or unqualified name that designates a table/view. If no database
identifier is provided, it refers to a table/view in the current database.
If |
databaseName |
(optional) name of the database |
Value
a SparkDataFrame of the list of column descriptions.
Note
since 2.2.0
Examples
1 2 3 4 5 | ## Not run:
sparkR.session()
listColumns("mytable")
## 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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