Provide database upgrade scripts for rc1

doc/installation.md

@@ -259,7 +259,7 @@ The first release candidate of Icinga Web 2 introduces the following non-backwar
 
 * The database schema has been adjusted and the tables `icingaweb_group` and
   `icingaweb_group_membership` were altered to ensure referential integrity.
-  Please use the update script located in **etc/schema/upgrade** to update your
+  Please use the upgrade script located in **etc/schema/** to update your
   database schema
 * Users who are using PostgreSQL < v9.1 are required to upgrade their
   environment to v9.1+ as this is the new minimum required version

etc/schema/mysql-upgrades/2.0.0beta3-2.0.0rc1.sql

@@ -0,0 +1,26 @@
+# Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+
+
+DROP TABLE `icingaweb_group_membership`;
+DROP TABLE `icingaweb_group`;
+
+CREATE TABLE `icingaweb_group`(
+  `id`     int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `name`   varchar(64) COLLATE utf8_unicode_ci NOT NULL,
+  `parent` int(10) unsigned NULL DEFAULT NULL,
+  `ctime`  timestamp NULL DEFAULT NULL,
+  `mtime`  timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `idx_name` (`name`),
+  CONSTRAINT `fk_icingaweb_group_parent_id` FOREIGN KEY (`parent`)
+    REFERENCES `icingaweb_group` (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+CREATE TABLE `icingaweb_group_membership`(
+  `group_id`   int(10) unsigned NOT NULL,
+  `username`   varchar(64) COLLATE utf8_unicode_ci NOT NULL,
+  `ctime`      timestamp NULL DEFAULT NULL,
+  `mtime`      timestamp NULL DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
+  PRIMARY KEY (`group_id`,`username`),
+  CONSTRAINT `fk_icingaweb_group_membership_icingaweb_group` FOREIGN KEY (`group_id`)
+    REFERENCES `icingaweb_group` (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;

etc/schema/pgsql-upgrades/2.0.0beta3-2.0.0rc1.sql

@@ -0,0 +1,60 @@
+/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
+
+DROP TABLE "icingaweb_group_membership";
+DROP TABLE "icingaweb_group";
+
+CREATE OR REPLACE FUNCTION unix_timestamp(timestamp with time zone) RETURNS bigint AS '
+        SELECT EXTRACT(EPOCH FROM $1)::bigint AS result
+' LANGUAGE sql;
+
+CREATE TABLE "icingaweb_group" (
+  "id"     serial,
+  "name"   character varying(64) NOT NULL,
+  "parent" int NULL DEFAULT NULL,
+  "ctime"  timestamp NULL DEFAULT NULL,
+  "mtime"  timestamp NULL DEFAULT NULL
+);
+
+ALTER TABLE ONLY "icingaweb_group"
+  ADD CONSTRAINT pk_icingaweb_group
+  PRIMARY KEY (
+    "id"
+);
+
+CREATE UNIQUE INDEX idx_icingaweb_group
+  ON "icingaweb_group"
+  USING btree (
+    lower((name)::text)
+);
+
+ALTER TABLE ONLY "icingaweb_group"
+  ADD CONSTRAINT fk_icingaweb_group_parent_id
+  FOREIGN KEY (
+    "parent"
+  )
+  REFERENCES "icingaweb_group" (
+    "id"
+);
+
+CREATE TABLE "icingaweb_group_membership" (
+  "group_id"   int NOT NULL,
+  "username"   character varying(64) NOT NULL,
+  "ctime"      timestamp NULL DEFAULT NULL,
+  "mtime"      timestamp NULL DEFAULT NULL
+);
+
+ALTER TABLE ONLY "icingaweb_group_membership"
+  ADD CONSTRAINT pk_icingaweb_group_membership
+  FOREIGN KEY (
+    "group_id"
+  )
+  REFERENCES "icingaweb_group" (
+    "id"
+);
+
+CREATE UNIQUE INDEX idx_icingaweb_group_membership
+  ON "icingaweb_group_membership"
+  USING btree (
+    group_id,
+    lower((username)::text)
+);