From 7eb1fe6bdc171b64b72a6595f697bb5cb84a81df Mon Sep 17 00:00:00 2001
From: Michel Schanen <mschanen@anl.gov>
Date: Fri, 3 Feb 2023 14:23:18 -0600
Subject: [PATCH] EmptyBlockModel always returns solutioin status MOI.Optimal

---
 src/backends.jl | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/backends.jl b/src/backends.jl
index 9036616..7ecb5bc 100644
--- a/src/backends.jl
+++ b/src/backends.jl
@@ -112,7 +112,13 @@ function init!(block::EmptyBlockModel, algparams::AlgParams) end
 function set_objective!(block::EmptyBlockModel, algparams::AlgParams,
                         primal::AbstractPrimalSolution, dual::AbstractDualSolution)
 end
-function get_solution(block::EmptyBlockModel) end
+function get_solution(block::EmptyBlockModel)
+    # Empty block is always optimal
+    solution = (
+        status=MOI.OPTIMAL,
+    )
+    return solution
+end
 
 ### Implementation of JuMPBlockBackend
 struct JuMPBlockBackend <: AbstractBlockModel