Select
Keep or drop the named columns.
Projects the frame down to the columns named, or drops exactly those when exclude is set.
At a glance
Module type
Select
Category
Primitives · Dataframe
Default tier
reactive
Runs on
reactive, durable
Starts a flow
no
Holds a body
no
Keeps state between runs
no
Available in
every application type
Parameters
columns
string[] · required · defaults to []
The columns to keep — or, with exclude, the ones to drop.
exclude
boolean · required · defaults to false
Drop the named columns instead of keeping only them.
Inputs
on
event
no
Implicit on every module that does not itself start a flow: wire an event here to make this module the start of what that event runs.
data
dataframe
yes
The frame to work on.
Outputs
output
dataframe
dataframe, signal
The frame with only the kept columns, in the order they were named.
Last updated