From 66eb9095c15228c595d6dfcfc92cf55a78b44f97 Mon Sep 17 00:00:00 2001
From: Hynek Mlnarik <hmlnarik@redhat.com>
Date: Tue, 20 Dec 2016 20:28:13 +0100
Subject: [PATCH] KEYCLOAK-4122

---
 .../main/resources/META-INF/jpa-changelog-2.5.0.xml   | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/model/jpa/src/main/resources/META-INF/jpa-changelog-2.5.0.xml b/model/jpa/src/main/resources/META-INF/jpa-changelog-2.5.0.xml
index 04e66946e2..0c0a8d038b 100755
--- a/model/jpa/src/main/resources/META-INF/jpa-changelog-2.5.0.xml
+++ b/model/jpa/src/main/resources/META-INF/jpa-changelog-2.5.0.xml
@@ -21,8 +21,6 @@
      <changeSet author="bburke@redhat.com" id="2.5.0">
          <customChange class="org.keycloak.connections.jpa.updater.liquibase.custom.MigrateUserFedToComponent"/>
 
-         <addUniqueConstraint columnNames="NAME,PARENT_GROUP,REALM_ID" constraintName="SIBLING_NAMES" tableName="KEYCLOAK_GROUP"/>
-
          <modifyDataType tableName="OFFLINE_USER_SESSION" columnName="USER_ID" newDataType="VARCHAR(255)"/>
      </changeSet>
 
@@ -112,4 +110,13 @@
         </addColumn>
     </changeSet>
 
+    <changeSet author="hmlnarik@redhat.com" id="2.5.0-unique-group-names">
+        <preConditions onSqlOutput="TEST" onFail="MARK_RAN">
+            <not>
+                <dbms type="db2" /> <!-- exclude DB2 as it requires all fields to be non-NULL for unique constraints -->
+            </not>
+        </preConditions>
+         <addUniqueConstraint columnNames="REALM_ID,PARENT_GROUP,NAME" constraintName="SIBLING_NAMES" tableName="KEYCLOAK_GROUP"/>
+    </changeSet>
+
 </databaseChangeLog>
\ No newline at end of file