From 5570b3796b5c020ff40aa29230c224e21429e152 Mon Sep 17 00:00:00 2001
From: Kirill Solomko <ksolomko@sipwise.com>
Date: Wed, 4 May 2016 16:50:27 +0200
Subject: [PATCH] MT#16491 drop index src_dst_stime_idx ON accounting.cdr

Change-Id: I3d0d53e0fb54c0142f18c2b4adffd7d12a21bc50
---
 db_scripts/diff/15241.down |  6 ++++++
 db_scripts/diff/15241.up   | 28 ++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 db_scripts/diff/15241.down
 create mode 100644 db_scripts/diff/15241.up

diff --git a/db_scripts/diff/15241.down b/db_scripts/diff/15241.down
new file mode 100644
index 00000000..48f9d657
--- /dev/null
+++ b/db_scripts/diff/15241.down
@@ -0,0 +1,6 @@
+use accounting;
+set autocommit=0;
+
+CREATE INDEX src_dst_stime_idx ON accounting.cdr(source_cli, destination_user_in, start_time);
+
+commit;
diff --git a/db_scripts/diff/15241.up b/db_scripts/diff/15241.up
new file mode 100644
index 00000000..dcc3e246
--- /dev/null
+++ b/db_scripts/diff/15241.up
@@ -0,0 +1,28 @@
+use accounting;
+
+DROP PROCEDURE IF EXISTS drop_index_if_exists_proc;
+DELIMITER ;;
+CREATE PROCEDURE drop_index_if_exists_proc(IN idx_db varchar(64),
+                                           IN idx_table varchar(64),
+                                           IN idx_name varchar(64))
+BEGIN
+
+    DECLARE idx_exists int default 0;
+    SELECT count(INDEX_NAME) INTO idx_exists
+      FROM INFORMATION_SCHEMA.STATISTICS
+    WHERE TABLE_SCHEMA = idx_db
+      AND TABLE_NAME = idx_table
+      AND INDEX_NAME = idx_name;
+
+    IF idx_exists > 0 THEN
+        SET @q = CONCAT('DROP INDEX `', idx_name, '` ON `', idx_db, '`.`', idx_table, '`');
+        PREPARE stmt FROM @q;
+        EXECUTE stmt;
+    END IF;
+
+END ;;
+DELIMITER ;
+
+CALL drop_index_if_exists_proc('accounting','cdr','src_dst_stime_idx');
+DROP PROCEDURE drop_index_if_exists_proc;
+