From 467e93a3364f27fdf87529de57855a42368734d5 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@datageekery.com>
Date: Mon, 25 Aug 2025 13:06:55 +0200
Subject: [PATCH] [jOOQ/jOOQ#18910] KotlinGenerator produces bad code when
 sequences reference Long.MIN_VALUE with their flags

---
 .../main/java/org/jooq/codegen/JavaGenerator.java   | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/jOOQ-codegen/src/main/java/org/jooq/codegen/JavaGenerator.java b/jOOQ-codegen/src/main/java/org/jooq/codegen/JavaGenerator.java
index 7d22bac39d..9501f74a12 100644
--- a/jOOQ-codegen/src/main/java/org/jooq/codegen/JavaGenerator.java
+++ b/jOOQ-codegen/src/main/java/org/jooq/codegen/JavaGenerator.java
@@ -9343,17 +9343,26 @@ public class JavaGenerator extends AbstractGenerator {
             if (bitLength > Long.SIZE - 1)
                 return "new java.math.BigInteger(\"" + bi.toString() + "\")";
             else if (bitLength > Integer.SIZE - 1)
-                return Long.toString(n.longValue()) + 'L';
+                return longLiteral(n.longValue());
             else
                 return Integer.toString(n.intValue());
         }
         else if (n instanceof Integer || n instanceof Short || n instanceof Byte)
             return Integer.toString(n.intValue());
         else if (n != null)
-            return Long.toString(n.longValue()) + 'L';
+            return longLiteral(n.longValue());
         return "null";
     }
 
+    private String longLiteral(long n) {
+
+        // [#18910] Work around a Kotlin compiler bug ("design flaw")
+        if (kotlin && n == Long.MIN_VALUE)
+            return "Long.MIN_VALUE";
+        else
+            return Long.toString(n) + 'L';
+    }
+
     protected void generateGlobalObjectNames(Definition container, Class<? extends Definition> objectType) {
         final List<? extends Definition> children = children(container, objectType);