From 9bea1239a29b6acffe70d4ccc76e8434d6d4f615 Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Fri, 16 Feb 2018 13:17:14 +0100
Subject: [PATCH] [#7189] NullPointerException when DSL.name(Name...) contains
 a null Name argument

---
 .../java/org/jooq/impl/QualifiedName.java     | 26 ++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/QualifiedName.java b/jOOQ/src/main/java/org/jooq/impl/QualifiedName.java
index 19986ee21b..98245ee9aa 100644
--- a/jOOQ/src/main/java/org/jooq/impl/QualifiedName.java
+++ b/jOOQ/src/main/java/org/jooq/impl/QualifiedName.java
@@ -64,7 +64,7 @@ final class QualifiedName extends AbstractName {
     }
 
     QualifiedName(Name[] qualifiedName) {
-        this.qualifiedName = last(qualifiedName);
+        this.qualifiedName = last(nonEmpty(qualifiedName));
     }
 
     private QualifiedName(UnqualifiedName[] qualifiedName) {
@@ -124,6 +124,30 @@ final class QualifiedName extends AbstractName {
         return result;
     }
 
+    private static final Name[] nonEmpty(Name[] names) {
+        Name[] result;
+        int nulls = 0;
+
+        for (int i = 0; i < names.length; i++)
+            if (names[i] == null)
+                nulls++;
+
+        if (nulls > 0) {
+            result = new Name[names.length - nulls];
+
+            for (int i = names.length - 1; i >= 0; i--)
+                if (names[i] == null)
+                    nulls--;
+                else
+                    result[i - nulls] = names[i];
+        }
+        else {
+            result = names;
+        }
+
+        return result;
+    }
+
     @Override
     public final void accept(Context<?> ctx) {