Return other word ID

main.rb

@@ -170,7 +170,7 @@ public
     result = @db_conn.exec_params(
       (
         <<~SQL
-          SELECT inflections.descr, word_forms.value
+          SELECT inflections.descr, word_forms.value, word_forms.other_word_id
           FROM words
           INNER JOIN parts
           ON parts.id = words.part_id
@@ -190,12 +190,18 @@ public
 
     result.map do |row|
       descr = String(row['descr']).strip.freeze
+
       value = String(row['value']).strip.freeze
       value = nil if value.empty?
 
+      unless row['other_word_id'].nil?
+        other_word_id = Integer(row['other_word_id'])
+      end
+
       {
         descr: descr,
         value: value,
+        other_word_id: other_word_id,
       }
     end.freeze
   end