Add two more deprecation notices

Author: mpdude

src/Query/Exec/SingleSelectExecutor.php

@@ -6,7 +6,9 @@
 
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Result;
+use Doctrine\Deprecations\Deprecation;
 use Doctrine\ORM\Query\AST\SelectStatement;
+use Doctrine\ORM\Query\OutputWalker;
 use Doctrine\ORM\Query\SqlWalker;
 
 /**
@@ -18,6 +20,14 @@ class SingleSelectExecutor extends AbstractSqlExecutor
 {
     public function __construct(SelectStatement $AST, SqlWalker $sqlWalker)
     {
+        Deprecation::trigger(
+            'doctrine/orm',
+            'https://github.com/doctrine/orm/pull/11188/',
+            'The %s is no longer needed by the ORM and will be removed in 4.0',
+            OutputWalker::class,
+            __METHOD__
+        );
+
         $this->sqlStatements = $sqlWalker->walkSelectStatement($AST);
     }
 

src/Query/SqlWalker.php

@@ -9,11 +9,13 @@
 use Doctrine\DBAL\LockMode;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Types\Type;
+use Doctrine\Deprecations\Deprecation;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\Mapping\ClassMetadata;
 use Doctrine\ORM\Mapping\QuoteStrategy;
 use Doctrine\ORM\OptimisticLockException;
 use Doctrine\ORM\Query;
+use Doctrine\ORM\Query\Exec\SqlFinalizer;
 use Doctrine\ORM\Utility\HierarchyDiscriminatorResolver;
 use Doctrine\ORM\Utility\PersisterHelper;
 use InvalidArgumentException;
@@ -230,6 +232,14 @@ public function setQueryComponent(string $dqlAlias, array $queryComponent): void
      */
     public function getExecutor(AST\SelectStatement|AST\UpdateStatement|AST\DeleteStatement $statement): Exec\AbstractSqlExecutor
     {
+        Deprecation::trigger(
+            'doctrine/orm',
+            'https://github.com/doctrine/orm/pull/11188/',
+            'Output walkers should implement %s. That way, the %s method is no longer needed and will be removed in 4.0',
+            OutputWalker::class,
+            __METHOD__
+        );
+
         return match (true) {
             $statement instanceof AST\UpdateStatement => $this->createUpdateStatementExecutor($statement),
             $statement instanceof AST\DeleteStatement => $this->createDeleteStatementExecutor($statement),