Add reproducer for #7027

.github/workflows/continuous-integration.yml

@@ -182,6 +182,10 @@ jobs:
             php-version: "8.2"
             mysql-version: "9.1"
             extension: "mysqli"
+          - config-file-suffix: "-stringify_fetches"
+            php-version: "8.2"
+            mysql-version: "9.1"
+            extension: "pdo_mysql"
           - php-version: "8.2"
             mysql-version: "9.1"
             extension: "mysqli"

ci/github/phpunit/pdo_mysql-stringify_fetches.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="../../../vendor/phpunit/phpunit/phpunit.xsd"
+         colors="true"
+         beStrictAboutOutputDuringTests="true"
+         failOnRisky="true"
+         failOnWarning="true"
+         failOnNotice="true"
+         failOnPhpunitDeprecation="true"
+         displayDetailsOnTestsThatTriggerErrors="true"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+
+        <var name="db_driver" value="pdo_mysql"/>
+        <!-- see \PDO::ATTR_STRINGIFY_FETCHES-->
+        <var name="db_driver_option_17" value="true"/>
+        <var name="db_host" value="127.0.0.1" />
+        <var name="db_port" value="3306"/>
+        <var name="db_user" value="root" />
+        <var name="db_dbname" value="doctrine_tests" />
+        <var name="db_charset" value="utf8mb4" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Doctrine DBAL Test Suite">
+            <directory>../../../tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <source>
+        <include>
+            <directory>../../../src</directory>
+        </include>
+    </source>
+</phpunit>

tests/Functional/Schema/MySQLSchemaManagerTest.php

@@ -21,6 +21,7 @@
 use Doctrine\DBAL\Tests\Functional\Schema\MySQL\CustomType;
 use Doctrine\DBAL\Tests\Functional\Schema\MySQL\PointType;
 use Doctrine\DBAL\Tests\TestUtil;
+use Doctrine\DBAL\Types\BinaryType;
 use Doctrine\DBAL\Types\BlobType;
 use Doctrine\DBAL\Types\FloatType;
 use Doctrine\DBAL\Types\JsonType;
@@ -546,6 +547,27 @@ public function testListUnsignedFloatTypeColumns(): void
         self::assertTrue($columns['col_smallfloat_unsigned']->getUnsigned());
     }
 
+    public function testConfigurableLengthColumns(): void
+    {
+        $table = Table::editor()
+            ->setUnquotedName('test_configurable_length_columns')
+            ->setColumns(
+                Column::editor()
+                    ->setUnquotedName('col_binary')
+                    ->setTypeName(Types::BINARY)
+                    ->setLength(16)
+                    ->create(),
+            )
+            ->create();
+
+        $this->dropAndCreateTable($table);
+
+        $columns = $this->schemaManager->listTableColumns('test_configurable_length_columns');
+
+        self::assertInstanceOf(BinaryType::class, $columns['col_binary']->getType());
+        self::assertSame(16, $columns['col_binary']->getLength());
+    }
+
     public function testJsonColumnType(): void
     {
         $table = Table::editor()