From d99a61ff28c2c4442802533dcaa8dc1fd638ff5f Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Wed, 24 Jun 2020 17:12:47 +0200
Subject: [PATCH] Fix updating decimal fields with default value (#3382)

MySQL stores the default value using the specified number of decimals so that when comparing the existing default value with the new default value, the same format should be used.
---
 .../AbstractDecimalDatabaseTableColumn.class.php     | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/wcfsetup/install/files/lib/system/database/table/column/AbstractDecimalDatabaseTableColumn.class.php b/wcfsetup/install/files/lib/system/database/table/column/AbstractDecimalDatabaseTableColumn.class.php
index 5ba2b46a4b..6bf3ec6992 100644
--- a/wcfsetup/install/files/lib/system/database/table/column/AbstractDecimalDatabaseTableColumn.class.php
+++ b/wcfsetup/install/files/lib/system/database/table/column/AbstractDecimalDatabaseTableColumn.class.php
@@ -12,4 +12,16 @@ namespace wcf\system\database\table\column;
  */
 abstract class AbstractDecimalDatabaseTableColumn extends AbstractDatabaseTableColumn implements IDecimalsDatabaseTableColumn {
 	use TDecimalsDatabaseTableColumn;
+	
+	/**
+	 * @inheritDoc
+	 */
+	public function getDefaultValue() {
+		$defaultValue = parent::getDefaultValue();
+		if ($defaultValue === null) {
+			return $defaultValue;
+		}
+		
+		return number_format($defaultValue, $this->getDecimals() ?? 0, '.', '');
+	}
 }
-- 
2.20.1