1 files changed, 106 insertions, 0 deletions

diff --git a/vendor/doctrine/dbal/src/Schema/ColumnDiff.php b/vendor/doctrine/dbal/src/Schema/ColumnDiff.php
new file mode 100644
index 0000000..3e4950a
--- /dev/null
+++ b/vendor/doctrine/dbal/src/Schema/ColumnDiff.php
@@ -0,0 +1,106 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Schema;
+
+/**
+ * Represents the change of a column.
+ */
+class ColumnDiff
+{
+    /** @internal The diff can be only instantiated by a {@see Comparator}. */
+    public function __construct(private readonly Column $oldColumn, private readonly Column $newColumn)
+    {
+    }
+
+    public function getOldColumn(): Column
+    {
+        return $this->oldColumn;
+    }
+
+    public function getNewColumn(): Column
+    {
+        return $this->newColumn;
+    }
+
+    public function hasTypeChanged(): bool
+    {
+        return $this->newColumn->getType()::class !== $this->oldColumn->getType()::class;
+    }
+
+    public function hasLengthChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): ?int {
+            return $column->getLength();
+        });
+    }
+
+    public function hasPrecisionChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): ?int {
+            return $column->getPrecision();
+        });
+    }
+
+    public function hasScaleChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): int {
+            return $column->getScale();
+        });
+    }
+
+    public function hasUnsignedChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): bool {
+            return $column->getUnsigned();
+        });
+    }
+
+    public function hasFixedChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): bool {
+            return $column->getFixed();
+        });
+    }
+
+    public function hasNotNullChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): bool {
+            return $column->getNotnull();
+        });
+    }
+
+    public function hasDefaultChanged(): bool
+    {
+        $oldDefault = $this->oldColumn->getDefault();
+        $newDefault = $this->newColumn->getDefault();
+
+        // Null values need to be checked additionally as they tell whether to create or drop a default value.
+        // null != 0, null != false, null != '' etc. This affects platform's table alteration SQL generation.
+        if (($newDefault === null) xor ($oldDefault === null)) {
+            return true;
+        }
+
+        return $newDefault != $oldDefault;
+    }
+
+    public function hasAutoIncrementChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): bool {
+            return $column->getAutoincrement();
+        });
+    }
+
+    public function hasCommentChanged(): bool
+    {
+        return $this->hasPropertyChanged(static function (Column $column): string {
+            return $column->getComment();
+        });
+    }
+
+    private function hasPropertyChanged(callable $property): bool
+    {
+        return $property($this->newColumn) !== $property($this->oldColumn);
+    }
+}