1 files changed, 20 insertions, 0 deletions
diff --git a/schema/pgsql-legacy-changes/upgrade-9.sql b/schema/pgsql-legacy-changes/upgrade-9.sql
new file mode 100644
index 0000000..401a864
--- /dev/null
+++ b/schema/pgsql-legacy-changes/upgrade-9.sql
@@ -0,0 +1,20 @@
+CREATE TABLE icinga_zone_inheritance (
+  zone_id integer NOT NULL,
+  parent_zone_id integer NOT NULL,
+  weight integer DEFAULT NULL,
+  PRIMARY KEY (zone_id, parent_zone_id),
+  CONSTRAINT icinga_zone_inheritance_zone
+  FOREIGN KEY (zone_id)
+  REFERENCES icinga_zone (id)
+  ON DELETE CASCADE
+  ON UPDATE CASCADE,
+  CONSTRAINT icinga_zone_inheritance_parent_zone
+  FOREIGN KEY (parent_zone_id)
+  REFERENCES icinga_zone (id)
+  ON DELETE RESTRICT
+  ON UPDATE CASCADE
+);
+
+CREATE UNIQUE INDEX zone_inheritance_unique_order ON icinga_zone_inheritance (zone_id, weight);
+CREATE INDEX zone_inheritance_zone ON icinga_zone_inheritance (zone_id);
+CREATE INDEX zone_inheritance_zone_parent ON icinga_zone_inheritance (parent_zone_id);