From 3371c62b466546de8356b1f6a2e7d1e9ae84dc80 Mon Sep 17 00:00:00 2001
From: Hannah Bast <bast@cs.uni-freiburg.de>
Date: Fri, 31 Jan 2025 19:45:17 +0100
Subject: [PATCH] Output empty lines in TSV and CSV export

TODO: add unit test
---
 src/engine/ExportQueryExecutionTrees.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/engine/ExportQueryExecutionTrees.cpp b/src/engine/ExportQueryExecutionTrees.cpp
index 3375e82924..e57be4a47d 100644
--- a/src/engine/ExportQueryExecutionTrees.cpp
+++ b/src/engine/ExportQueryExecutionTrees.cpp
@@ -590,8 +590,11 @@ ExportQueryExecutionTrees::selectQueryResultToStream(
             co_yield optionalStringAndType.value().first;
           }
         }
-        co_yield j + 1 < selectedColumnIndices.size() ? separator : '\n';
+        if (j + 1 < selectedColumnIndices.size()) {
+          co_yield separator;
+        }
       }
+      co_yield '\n';
       cancellationHandle->throwIfCancelled();
     }
   }