From 56dda2b08d420c64469a9ac7bc7d3fb15e842919 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Wed, 18 Nov 2020 17:32:45 +0100
Subject: [PATCH] [jOOQ/jOOQ#8278] Prevent StackOverflowErrors when the proxy
 is shared

---
 jOOQ/src/main/java/org/jooq/impl/FieldProxy.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/FieldProxy.java b/jOOQ/src/main/java/org/jooq/impl/FieldProxy.java
index 9959a8991e..d80ad91a00 100644
--- a/jOOQ/src/main/java/org/jooq/impl/FieldProxy.java
+++ b/jOOQ/src/main/java/org/jooq/impl/FieldProxy.java
@@ -81,7 +81,9 @@ final class FieldProxy<T> extends AbstractField<T> implements TableField<Record,
     void delegate(AbstractField<T> newDelegate) {
         this.delegate = newDelegate;
 
-        ((DataTypeProxy<T>) getDataType()).type = (AbstractDataType<T>) newDelegate.getDataType();
+        // [#8278] Prevent StackOverflowErrors when the data type proxy is shared
+        if (!(newDelegate.getDataType() instanceof DataTypeProxy))
+            ((DataTypeProxy<T>) getDataType()).type = (AbstractDataType<T>) newDelegate.getDataType();
     }
 
     @Override