Consider empty strings as None

src/helpers/database.rs

@@ -139,11 +139,16 @@ impl<'a> RowResult<'a> {
         }
     }
 
-    /// Get an optional string => Set to None if string is null
+    /// Get an optional string => Set to None if string is null / empty
     pub fn get_optional_str(&self, name: &str) -> ResultBoxError<Option<String>> {
         match self.is_null(name)? {
             true => Ok(None),
-            false => Ok(Some(self.get_str(name)?))
+            false => Ok(Some(self.get_str(name)?).map_or(None, |d|{
+                match d.is_empty() {
+                    true => None,
+                    false => Some(d)
+                }
+            }))
         }
     }
 }