[avro] 02/03: AVRO-2702: ResolvingGrammarGenerator Union to use reader schema instead of writer schema

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commit 18b811aac4313e1ac67dab4048695bd0cf9e40ca
Author: bellemare <ad...@shopify.com>
AuthorDate: Mon Nov 9 15:46:40 2020 -0500

    AVRO-2702: ResolvingGrammarGenerator Union to use reader schema instead of writer schema
---
 .../main/java/org/apache/avro/io/parsing/ResolvingGrammarGenerator.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lang/java/avro/src/main/java/org/apache/avro/io/parsing/ResolvingGrammarGenerator.java b/lang/java/avro/src/main/java/org/apache/avro/io/parsing/ResolvingGrammarGenerator.java
index 9953b3b..d797bba 100644
--- a/lang/java/avro/src/main/java/org/apache/avro/io/parsing/ResolvingGrammarGenerator.java
+++ b/lang/java/avro/src/main/java/org/apache/avro/io/parsing/ResolvingGrammarGenerator.java
@@ -106,7 +106,7 @@ public class ResolvingGrammarGenerator extends ValidatingGrammarGenerator {
 
     } else if (action.writer.getType() == Schema.Type.UNION) {
       if (((Resolver.WriterUnion) action).unionEquiv) {
-        return simpleGen(action.writer, seen);
+        return simpleGen(action.reader, seen);
       }
       Resolver.Action[] branches = ((Resolver.WriterUnion) action).actions;
       Symbol[] symbols = new Symbol[branches.length];