ACP2E-3709: [Cloud] Changing table column type from Int to Decimal using db_schema.xml file In Magento 2 Results In Errors

Author: soklymeach

lib/internal/Magento/Framework/Config/Dom.php

@@ -171,11 +171,10 @@ protected function _mergeNode(\DOMElement $node, $parentPath)
         /* Update matched node attributes and value */
         if ($matchedNode) {
             //different node type
-            if (($this->typeAttributeName &&
+            if ($this->typeAttributeName &&
                 $node->hasAttribute($this->typeAttributeName) &&
                 $matchedNode->hasAttribute($this->typeAttributeName) &&
-                $node->getAttribute($this->typeAttributeName) !== $matchedNode->getAttribute($this->typeAttributeName))
-                || ($node->tagName === 'column')
+                $node->getAttribute($this->typeAttributeName) !== $matchedNode->getAttribute($this->typeAttributeName)
             ) {
                 $parentMatchedNode = $this->_getMatchedNode($parentPath);
                 $newNode = $this->dom->importNode($node, true);

lib/internal/Magento/Framework/Config/Reader/Filesystem.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ *  Copyright 2014 Adobe
+ *  All Rights Reserved.
  */
 
 namespace Magento\Framework\Config\Reader;
@@ -81,6 +81,11 @@ class Filesystem implements \Magento\Framework\Config\ReaderInterface
      */
     protected $_schemaFile;
 
+    /**
+     * Name of an attribute that stands for data type of node values
+     */
+    public const TYPE_ATTRIBUTE = 'xsi:type';
+
     /**
      * Constructor
      *
@@ -210,7 +215,7 @@ protected function _createConfigMerger($mergerClass, $initialContents)
             $initialContents,
             $this->validationState,
             $this->_idAttributes,
-            null,
+            self::TYPE_ATTRIBUTE,
             $this->_perFileSchema
         );
         if (!$result instanceof \Magento\Framework\Config\Dom) {