2 files changed, 66 insertions, 0 deletions

diff --git a/vendor/doctrine/dbal/src/Platforms/MySQL/CharsetMetadataProvider/CachingCharsetMetadataProvider.php b/vendor/doctrine/dbal/src/Platforms/MySQL/CharsetMetadataProvider/CachingCharsetMetadataProvider.php
new file mode 100644
index 0000000..dadc841
--- /dev/null
+++ b/vendor/doctrine/dbal/src/Platforms/MySQL/CharsetMetadataProvider/CachingCharsetMetadataProvider.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Platforms\MySQL\CharsetMetadataProvider;
+
+use Doctrine\DBAL\Platforms\MySQL\CharsetMetadataProvider;
+
+use function array_key_exists;
+
+/** @internal */
+final class CachingCharsetMetadataProvider implements CharsetMetadataProvider
+{
+    /** @var array<string,?string> */
+    private array $cache = [];
+
+    public function __construct(private readonly CharsetMetadataProvider $charsetMetadataProvider)
+    {
+    }
+
+    public function getDefaultCharsetCollation(string $charset): ?string
+    {
+        if (array_key_exists($charset, $this->cache)) {
+            return $this->cache[$charset];
+        }
+
+        return $this->cache[$charset] = $this->charsetMetadataProvider->getDefaultCharsetCollation($charset);
+    }
+}
diff --git a/vendor/doctrine/dbal/src/Platforms/MySQL/CharsetMetadataProvider/ConnectionCharsetMetadataProvider.php b/vendor/doctrine/dbal/src/Platforms/MySQL/CharsetMetadataProvider/ConnectionCharsetMetadataProvider.php
new file mode 100644
index 0000000..65b63df
--- /dev/null
+++ b/vendor/doctrine/dbal/src/Platforms/MySQL/CharsetMetadataProvider/ConnectionCharsetMetadataProvider.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Platforms\MySQL\CharsetMetadataProvider;
+
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\MySQL\CharsetMetadataProvider;
+
+/** @internal */
+final class ConnectionCharsetMetadataProvider implements CharsetMetadataProvider
+{
+    public function __construct(private readonly Connection $connection)
+    {
+    }
+
+    /** @throws Exception */
+    public function getDefaultCharsetCollation(string $charset): ?string
+    {
+        $collation = $this->connection->fetchOne(
+            <<<'SQL'
+            SELECT DEFAULT_COLLATE_NAME
+            FROM information_schema.CHARACTER_SETS
+            WHERE CHARACTER_SET_NAME = ?;
+            SQL
+            ,
+            [$charset],
+        );
+
+        if ($collation !== false) {
+            return $collation;
+        }
+
+        return null;
+    }
+}