[GitHub] [samza] atoomula commented on a change in pull request #1153: SAMZA-2320: Samza-sql: Refactor validation to cover more cases and make it more extensible.

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

atoomula commented on a change in pull request #1153: SAMZA-2320: Samza-sql: Refactor validation to cover more cases and make it more extensible.
URL: https://github.com/apache/samza/pull/1153#discussion_r324391708
 
 

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 File path: samza-sql/src/main/java/org/apache/samza/sql/avro/AvroTypeFactoryImpl.java
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 @@ -52,15 +52,18 @@ public SqlSchema createType(Schema schema) {
       throw new SamzaException(msg);
     }
 
-    return convertSchema(schema.getFields());
+    return convertSchema(schema.getFields(), true);
   }
 
-  private SqlSchema convertSchema(List<Schema.Field> fields) {
+  protected boolean isOptional(Schema.Field field, boolean isTopLevel) {
+    return field.defaultValue() != null;
+  }
+
+  private SqlSchema convertSchema(List<Schema.Field> fields, boolean isTopLevel) {
 
     SqlSchemaBuilder schemaBuilder = SqlSchemaBuilder.builder();
 
 Review comment:
   Added the reasoning for isTopLevel in javdoc for isOptional()

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