Databricks Execution Context Manager (R6 Class)

Databricks Execution Context Manager (R6 Class)

Databricks Execution Context Manager (R6 Class)

Details

db_context_manager() provides a simple interface to send commands to Databricks cluster and return the results.

Methods

Public methods

• db_context_manager$new()

• db_context_manager$close()

• db_context_manager$cmd_run()

• db_context_manager$clone()

---

Method new()

Create a new context manager object.

Usage

db_context_manager$new(
  cluster_id,
  language = c("r", "py", "scala", "sql", "sh"),
  host = db_host(),
  token = db_token()
)

Arguments

cluster_id

The ID of the cluster to execute command on.

language

One of r, py, scala, sql, or sh.

host

Databricks workspace URL, defaults to calling db_host().

token

Databricks workspace token, defaults to calling db_token().

Returns

A new databricks_context_manager object.

---

Method close()

Destroy the execution context

Usage

db_context_manager$close()

---

Method cmd_run()

Execute a command against a Databricks cluster

Usage

db_context_manager$cmd_run(cmd, language = c("r", "py", "scala", "sql", "sh"))

Arguments

cmd

code to execute against Databricks cluster

language

One of r, py, scala, sql, or sh.

Returns

Command results

---

Method clone()

The objects of this class are cloneable with this method.

Usage

db_context_manager$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.