From d8eb48dde1f00b66987e532cf37f3444a00abb23 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Wed, 22 Apr 2020 13:59:11 +0200
Subject: [PATCH] [jOOQ/jOOQ#10097] Add support for DB2 CREATE INDEX .. EXCLUDE
 NULL KEYS clause

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

diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 9a658b06b1..c50881705f 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -4592,6 +4592,8 @@ final class ParserImpl implements Parser {
             ? parseCondition(ctx)
             : null;
 
+        boolean excludeNullKeys = condition == null && parseKeywordIf(ctx, "EXCLUDE NULL KEYS");
+
         CreateIndexStep s1 = ifNotExists
             ? unique
                 ? ctx.dsl.createUniqueIndexIfNotExists(indexName)
@@ -4610,6 +4612,8 @@ final class ParserImpl implements Parser {
             : s2;
         CreateIndexFinalStep s4 = condition != null
             ? s3.where(condition)
+            : excludeNullKeys
+            ? s3.excludeNullKeys()
             : s3;
 
         return s4;