From 0a17cb6dcce8d6aec551aa67fc806bca4176a170 Mon Sep 17 00:00:00 2001
From: Sergei Morozov <morozov@tut.by>
Date: Sun, 11 Sep 2022 11:09:19 -0700
Subject: [PATCH] Deprecate SchemaDiff::$fromSchema

---
 UPGRADE.md                | 4 ++++
 psalm.xml.dist            | 4 ++++
 src/Schema/SchemaDiff.php | 6 +++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/UPGRADE.md b/UPGRADE.md
index 18a2cd94658..1e91fc70e42 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -62,6 +62,10 @@ The constructors of the following classes have been marked as internal:
 These classes can be instantiated only by schema comparators. The signatures of the constructors may change in future
 versions.
 
+## Deprecated `SchemaDiff` reference to the original schema.
+
+The `SchemaDiff::$fromSchema` property has been deprecated.
+
 ## Marked `AbstractSchemaManager::_execSql()` as internal.
 
 The `AbstractSchemaManager::_execSql()` method has been marked as internal. It will not be available in 4.0.
diff --git a/psalm.xml.dist b/psalm.xml.dist
index 83bc98322f5..2bbf2915c85 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -455,6 +455,10 @@
                 <!--
                     TODO: remove in 4.0.0
                 -->
+                <referencedProperty name="Doctrine\DBAL\Schema\SchemaDiff::$fromSchema"/>
+                <!--
+                    TODO: remove in 4.0.0
+                -->
                 <referencedProperty name="Doctrine\DBAL\Schema\ColumnDiff::$oldColumnName"/>
                 <!--
                     TODO: remove in 4.0.0
diff --git a/src/Schema/SchemaDiff.php b/src/Schema/SchemaDiff.php
index d2bf092af51..38e3782d3ca 100644
--- a/src/Schema/SchemaDiff.php
+++ b/src/Schema/SchemaDiff.php
@@ -14,7 +14,11 @@
  */
 class SchemaDiff
 {
-    /** @var Schema|null */
+    /**
+     * @deprecated
+     *
+     * @var Schema|null
+     */
     public $fromSchema;
 
     /**