From: Matthias Schmidt <gravatronics@live.com>
Date: Sat, 17 Aug 2019 11:33:56 +0000 (+0200)
Subject: Only return each index once in MysqlDatabaseEditor::getIndices()
X-Git-Tag: 5.2.0_Beta_1~16^2~7^2~6
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f62c045dd3366ebc4e3932fe31aa4fb6fc85544e;p=GitHub%2FWoltLab%2FWCF.git

Only return each index once in MysqlDatabaseEditor::getIndices()

Close  #3012
---

diff --git a/wcfsetup/install/files/lib/system/database/editor/DatabaseEditor.class.php b/wcfsetup/install/files/lib/system/database/editor/DatabaseEditor.class.php
index 3592bd0e97..393c984a17 100644
--- a/wcfsetup/install/files/lib/system/database/editor/DatabaseEditor.class.php
+++ b/wcfsetup/install/files/lib/system/database/editor/DatabaseEditor.class.php
@@ -42,7 +42,7 @@ abstract class DatabaseEditor {
 	abstract public function getColumns($tableName);
 	
 	/**
-	 * Returns the indices of a table.
+	 * Returns the names of indices of a table.
 	 * 
 	 * @param	string		$tableName
 	 * @return	array		$indices
diff --git a/wcfsetup/install/files/lib/system/database/editor/MySQLDatabaseEditor.class.php b/wcfsetup/install/files/lib/system/database/editor/MySQLDatabaseEditor.class.php
index 5779a23b5b..91e92076ea 100644
--- a/wcfsetup/install/files/lib/system/database/editor/MySQLDatabaseEditor.class.php
+++ b/wcfsetup/install/files/lib/system/database/editor/MySQLDatabaseEditor.class.php
@@ -103,7 +103,7 @@ class MySQLDatabaseEditor extends DatabaseEditor {
 			$indices[] = $row['Key_name'];
 		}
 		
-		return $indices;
+		return array_unique($indices);
 	}
 	
 	/**