From 306226f3d2de930d5c5095cc7493f33e50296c85 Mon Sep 17 00:00:00 2001
From: songchenxuan <songchenxuan@easycorp.ltd>
Date: Tue, 22 Aug 2023 09:21:04 +0800
Subject: [PATCH] * Fix mysql update bug.

---
 db/update18.5.sql     |  2 +-
 lib/dbh/dbh.class.php | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/db/update18.5.sql b/db/update18.5.sql
index 9072ad19c7..07d4a03818 100644
--- a/db/update18.5.sql
+++ b/db/update18.5.sql
@@ -71,7 +71,7 @@ UPDATE `zt_notify` SET `subjectCopy` = `subject`;
 ALTER TABLE `zt_notify` DROP `subject`;
 ALTER TABLE `zt_notify` CHANGE COLUMN `subjectCopy` `subject` text;
 
-DROP INDEX IF EXISTS `objectType_toList_status` ON `zt_notify`;
+DROP INDEX `objectType_toList_status` ON `zt_notify`;
 CREATE INDEX `objectType` ON `zt_notify` (`objectType`);
 CREATE INDEX `status` ON `zt_notify` (`status`);
 
diff --git a/lib/dbh/dbh.class.php b/lib/dbh/dbh.class.php
index b2bd2f341c..2eb857cbe6 100644
--- a/lib/dbh/dbh.class.php
+++ b/lib/dbh/dbh.class.php
@@ -258,11 +258,11 @@ class dbh
         $sql = trim($sql);
         $sql = $this->formatFunction($sql);
 
-	if(defined('IN_UPGRADE'))
-	{
+        if(defined('IN_UPGRADE'))
+        {
             $sql = $this->processDmChangeColumn($sql);
             $sql = $this->processDmTableIndex($sql);
-	}
+        }
 
         $actionPos = strpos($sql, ' ');
         $action    = strtoupper(substr($sql, 0, $actionPos));
@@ -385,8 +385,8 @@ class dbh
      */
     public function processDmTableIndex($sql)
     {
-	if(strpos($sql, 'DROP INDEX IF EXISTS') === FALSE) return $sql;
-        return preg_replace('/DROP INDEX IF EXISTS `(\w+)` ON `zt_(\w+)`/', 'DROP INDEX IF EXISTS `$2_$1`', $sql);
+        if(strpos($sql, 'DROP INDEX IF EXISTS') === FALSE) return $sql;
+        return preg_replace('/DROP INDEX `(\w+)` ON `zt_(\w+)`/', 'DROP INDEX IF EXISTS `$2_$1`', $sql);
     }
 
     /**
@@ -398,8 +398,8 @@ class dbh
      */
     public function processDmChangeColumn($sql)
     {
-	if(strpos($sql, 'CHANGE COLUMN') === FALSE) return $sql;
-	return preg_replace('/ALTER TABLE `([^`]+)` CHANGE COLUMN `([^`]+)` `([^`]+)` (\w+)/', 'ALTER TABLE `$1` RENAME COLUMN `$2` TO `$3`;', $sql);
+        if(strpos($sql, 'CHANGE COLUMN') === FALSE) return $sql;
+        return preg_replace('/ALTER TABLE `([^`]+)` CHANGE COLUMN `([^`]+)` `([^`]+)` (\w+)/', 'ALTER TABLE `$1` RENAME COLUMN `$2` TO `$3`;', $sql);
     }
 
     /**