deephaven.DeephavenDb

Utilities for interacting with Deephaven sessions.

class DeephavenDb

DeephavenDb session

db()

Gets the Deephaven database object

execute(groovy)

Executes Deephaven groovy code from a snippet/string

Parameters

groovy – groovy code

executeFile(file)

Executes Deephaven groovy code from a file

Parameters

file – the file

get(variable)

Gets a variable from the groovy session

Parameters

variable – variable name

Returns

the value

getDf(variable)

Gets a Table as a pandas.DataFrame from the console session

Parameters

variable – the variable (table) name

Returns

pandas.DataFrame instance representing Table specified by variable

pushDf(name, df)

Pushes a pandas.DataFrame to the Deephaven groovy session as a Table

Parameters

• name – the destination variable name in the groovy session

• df – pandas.DataFrame instance

reconnect()

Disconnects/shuts down the current session, and establishes a new session

Warning

The current Deephaven state will be lost