Apache Spark DBI resource connector
Apache Spark DBI resource connector
Details
Makes a Apache Spark connection object, that is also a DBI connection object, from a resource description.
Methods
Inherited methods
Method new()
Create a SparkResourceConnector instance.
Returns
A SparkResourceConnector object.
Method isFor()
Check if the provided resource applies to a Apache Spark server.
The resource URL scheme must be one of "spark", "spark+http" or "spark+https".
Usage
SparkResourceConnector$isFor(resource)
Arguments
resource
The resource object to validate.
Method createDBIConnection()
Creates a DBI connection object from a Apache Spark resource.
Usage
SparkResourceConnector$createDBIConnection(resource)
Arguments
resource
A valid resource object.
Returns
A DBI connection object.
Method closeDBIConnection()
Close the DBI connection to Apache Spark.
Usage
SparkResourceConnector$closeDBIConnection(conn)
Arguments
conn
A DBI connection object.
Method clone()
The objects of this class are cloneable with this method.
Usage
SparkResourceConnector$clone(deep = FALSE)
Arguments
deep
Whether to make a deep clone.