[GitHub] [avro] github-code-scanning[bot] commented on a diff in pull request #1776: AVRO-2918: Polymorphism

[GitBox <gi...@apache.org>]

github-code-scanning[bot] commented on code in PR #1776:
URL: https://github.com/apache/avro/pull/1776#discussion_r1063401105


##########
lang/java/avro/src/main/java/org/apache/avro/io/FastReaderBuilder.java:
##########
@@ -579,6 +597,22 @@
     }
   }
 
+  public static class ExtendsReader implements FieldReader {
+    private final Schema schema;
+
+    public ExtendsReader(final Schema schema) {
+      this.schema = schema;
+    }
+
+    @Override
+    public Object read(final Object reuse, final Decoder decoder) throws IOException {
+      int index = decoder.readExtends();
+      final Schema realSchema = this.schema.findInHierachy(index);

Review Comment:
   ## Unread local variable
   
   Variable 'Schema realSchema' is never read.
   
   [Show more details](https://github.com/apache/avro/security/code-scanning/2962)



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