1 files changed, 17 insertions, 0 deletions
diff --git a/schema/mysql-legacy-changes/upgrade_19.sql b/schema/mysql-legacy-changes/upgrade_19.sql
new file mode 100644
index 0000000..2980ccc
--- /dev/null
+++ b/schema/mysql-legacy-changes/upgrade_19.sql
@@ -0,0 +1,17 @@
+CREATE TABLE icinga_usergroup_inheritance (
+  usergroup_id INT(10) UNSIGNED NOT NULL,
+  parent_usergroup_id INT(10) UNSIGNED NOT NULL,
+  weight MEDIUMINT UNSIGNED DEFAULT NULL,
+  PRIMARY KEY (usergroup_id, parent_usergroup_id),
+  UNIQUE KEY unique_order (usergroup_id, weight),
+  CONSTRAINT icinga_usergroup_inheritance_usergroup
+  FOREIGN KEY usergroup (usergroup_id)
+  REFERENCES icinga_usergroup (id)
+    ON DELETE CASCADE
+    ON UPDATE CASCADE,
+  CONSTRAINT icinga_usergroup_inheritance_parent_usergroup
+  FOREIGN KEY usergroup (parent_usergroup_id)
+  REFERENCES icinga_usergroup (id)
+    ON DELETE RESTRICT
+    ON UPDATE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;