lib/arrow/array-builder.rb in red-arrow-5.0.0 vs lib/arrow/array-builder.rb in red-arrow-6.0.0

@@ -56,9 +56,14 @@
         when String
           {
             builder: StringArrayBuilder.new,
             detected: true,
           }
+        when Symbol
+          {
+            builder: StringDictionaryArrayBuilder.new,
+            detected: true,
+          }
         when Float
           {
             builder: DoubleArrayBuilder.new,
             detected: true,
           }