From e4b0bbbbe1e276fc25167fcaf448432c4e34dc0c Mon Sep 17 00:00:00 2001
From: vinit1204 <venomplays1204@gmail.com>
Date: Sat, 21 Dec 2024 06:49:38 +0530
Subject: [PATCH] Add example of cols=<list> to ?setindexv (#6678)

* fixed#6665

* simplify

---------

Co-authored-by: Michael Chirico <michaelchirico4@gmail.com>
---
 man/setkey.Rd | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man/setkey.Rd b/man/setkey.Rd
index 378f1a106..b8c9b1ce8 100644
--- a/man/setkey.Rd
+++ b/man/setkey.Rd
@@ -142,6 +142,11 @@ setindex(DT, B)
 indices(DT)           # get indices single vector
 indices(DT, vectors = TRUE) # get indices list
 
+# Setting multiple indices at once
+DT = data.table(A = 5:1, B = letters[5:1], C = 10:6)
+setindexv(DT, list(c("A", "B"), c("B", "C")))
+print(DT, show.indices=TRUE)
+
 # Use the dot .(subset_value) syntax with integer keys:
 DT = data.table(id = 2:1)
 setkey(DT, id)