From e90995c1c251c34debd8eb9e1437eb1567b1a5be Mon Sep 17 00:00:00 2001
From: Justin Willmert <justin@jdjlab.com>
Date: Wed, 26 Dec 2018 12:06:30 -0600
Subject: [PATCH] Add indtype and nnz definitions for SparseColumnView

---
 stdlib/SparseArrays/src/sparsevector.jl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stdlib/SparseArrays/src/sparsevector.jl b/stdlib/SparseArrays/src/sparsevector.jl
index ecf3c53830b301..11d9c2a3dbdbe0 100644
--- a/stdlib/SparseArrays/src/sparsevector.jl
+++ b/stdlib/SparseArrays/src/sparsevector.jl
@@ -58,6 +58,11 @@ function nonzeroinds(x::SparseColumnView)
     return y
 end
 
+indtype(x::SparseColumnView) = indtype(parent(x))
+function nnz(x::SparseColumnView)
+    rowidx, colidx = parentindices(x)
+    return length(nzrange(parent(x), colidx))
+end
 
 ## similar
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