From e4525a09df0fd3749259fd1812c780e8a4417263 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Thu, 15 Dec 2016 16:21:49 +0100
Subject: [PATCH] upgrade_126: re-order queries

...otherwise we might delete indexes before the related constraint in case
they are different

refs #13591
---
 schema/mysql-migrations/upgrade_126.sql | 142 ++++++++++++------------
 1 file changed, 73 insertions(+), 69 deletions(-)

diff --git a/schema/mysql-migrations/upgrade_126.sql b/schema/mysql-migrations/upgrade_126.sql
index 3df3144c..ef14078b 100644
--- a/schema/mysql-migrations/upgrade_126.sql
+++ b/schema/mysql-migrations/upgrade_126.sql
@@ -15,23 +15,6 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 SET @stmt = NULL;
 
-SET @stmt = (SELECT IF(
-    (SELECT EXISTS(
-        SELECT 1
-        FROM information_schema.statistics
-        WHERE table_schema = SCHEMA()
-            AND table_name = 'icinga_service_set'
-            AND index_name = 'icinga_service_set_host'
-    )),
-    'ALTER TABLE icinga_service_set DROP INDEX icinga_service_set_host',
-    'SELECT 1'
-));
-
-PREPARE stmt FROM @stmt;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
-SET @stmt = NULL;
-
 
 SET @stmt = (SELECT IF(
     (SELECT EXISTS(
@@ -50,23 +33,6 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 SET @stmt = NULL;
 
-SET @stmt = (SELECT IF(
-    (SELECT EXISTS(
-        SELECT 1
-        FROM information_schema.statistics
-        WHERE table_schema = SCHEMA()
-            AND table_name = 'icinga_service_set'
-            AND index_name = 'icinga_service_set_ibfk_1'
-    )),
-    'ALTER TABLE icinga_service_set DROP INDEX icinga_service_set_ibfk_1',
-    'SELECT 1'
-));
-
-PREPARE stmt FROM @stmt;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
-SET @stmt = NULL;
-
 
 SET @stmt = (SELECT IF(
     (SELECT EXISTS(
@@ -85,24 +51,6 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 SET @stmt = NULL;
 
-SET @stmt = (SELECT IF(
-    (SELECT EXISTS(
-        SELECT 1
-        FROM information_schema.statistics
-        WHERE table_schema = SCHEMA()
-            AND table_name = 'icinga_service_set'
-            AND index_name = 'icinga_service_set_ibfk_2'
-    )),
-    'ALTER TABLE icinga_service_set DROP INDEX icinga_service_set_ibfk_2',
-    'SELECT 1'
-));
-
-PREPARE stmt FROM @stmt;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
-SET @stmt = NULL;
-
-
 
 SET @stmt = (SELECT IF(
     (SELECT EXISTS(
@@ -121,23 +69,6 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 SET @stmt = NULL;
 
-SET @stmt = (SELECT IF(
-    (SELECT EXISTS(
-        SELECT 1
-        FROM information_schema.statistics
-        WHERE table_schema = SCHEMA()
-            AND table_name = 'icinga_service'
-            AND index_name = 'icinga_service_service_set'
-    )),
-    'ALTER TABLE icinga_service DROP INDEX icinga_service_service_set',
-    'SELECT 1'
-));
-
-PREPARE stmt FROM @stmt;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
-SET @stmt = NULL;
-
 
 SET @stmt = (SELECT IF(
     (SELECT EXISTS(
@@ -156,6 +87,61 @@ EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 SET @stmt = NULL;
 
+
+SET @stmt = (SELECT IF(
+    (SELECT EXISTS(
+        SELECT 1
+        FROM information_schema.statistics
+        WHERE table_schema = SCHEMA()
+              AND table_name = 'icinga_service'
+              AND index_name = 'icinga_service_service_set'
+    )),
+    'ALTER TABLE icinga_service DROP INDEX icinga_service_service_set',
+    'SELECT 1'
+));
+
+PREPARE stmt FROM @stmt;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+SET @stmt = NULL;
+
+
+SET @stmt = (SELECT IF(
+    (SELECT EXISTS(
+        SELECT 1
+        FROM information_schema.statistics
+        WHERE table_schema = SCHEMA()
+              AND table_name = 'icinga_service_set'
+              AND index_name = 'icinga_service_set_ibfk_1'
+    )),
+    'ALTER TABLE icinga_service_set DROP INDEX icinga_service_set_ibfk_1',
+    'SELECT 1'
+));
+
+PREPARE stmt FROM @stmt;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+SET @stmt = NULL;
+
+
+SET @stmt = (SELECT IF(
+    (SELECT EXISTS(
+        SELECT 1
+        FROM information_schema.statistics
+        WHERE table_schema = SCHEMA()
+              AND table_name = 'icinga_service_set'
+              AND index_name = 'icinga_service_set_host'
+    )),
+    'ALTER TABLE icinga_service_set DROP INDEX icinga_service_set_host',
+    'SELECT 1'
+));
+
+PREPARE stmt FROM @stmt;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+SET @stmt = NULL;
+
+
 SET @stmt = (SELECT IF(
     (SELECT EXISTS(
         SELECT 1
@@ -174,6 +160,24 @@ DEALLOCATE PREPARE stmt;
 SET @stmt = NULL;
 
 
+SET @stmt = (SELECT IF(
+    (SELECT EXISTS(
+        SELECT 1
+        FROM information_schema.statistics
+        WHERE table_schema = SCHEMA()
+              AND table_name = 'icinga_service_set'
+              AND index_name = 'icinga_service_set_ibfk_2'
+    )),
+    'ALTER TABLE icinga_service_set DROP INDEX icinga_service_set_ibfk_2',
+    'SELECT 1'
+));
+
+PREPARE stmt FROM @stmt;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+SET @stmt = NULL;
+
+
 ALTER TABLE icinga_service_set
   ADD CONSTRAINT icinga_service_set_host
     FOREIGN KEY host (host_id)