refactor(Core): replace NULL with nullptr (#4593)

1 files changed, 2 insertions, 2 deletions

diff --git a/src/common/Database/DatabaseWorkerPool.cpp b/src/common/Database/DatabaseWorkerPool.cpp
index 95f32a875c..30ef85e0e0 100644
--- a/src/common/Database/DatabaseWorkerPool.cpp
+++ b/src/common/Database/DatabaseWorkerPool.cpp
@@ -149,7 +149,7 @@ QueryResult DatabaseWorkerPool<T>::Query(const char* sql, T* conn /* = nullptr*/
     if (!result || !result->GetRowCount())
     {
         delete result;
-        return QueryResult(NULL);
+        return QueryResult(nullptr);
     }
 
     result->NextRow();
@@ -169,7 +169,7 @@ PreparedQueryResult DatabaseWorkerPool<T>::Query(PreparedStatement* stmt)
     if (!ret || !ret->GetRowCount())
     {
         delete ret;
-        return PreparedQueryResult(NULL);
+        return PreparedQueryResult(nullptr);
     }
 
     return PreparedQueryResult(ret);