Add CTE support to select in QueryBuilder

src/Query/QueryBuilder.php

@@ -309,14 +309,51 @@
      */
     public function executeQuery(): Result
     {
+        [$params, $types] = $this->boundParameters();
+
         return $this->connection->executeQuery(
             $this->getSQL(),
-            $this->params,
-            $this->types,
+            $params,
+            $types,
             $this->resultCacheProfile,
         );
     }
 
+    /**
+     * Retrieve parameters and types bound to all queries (optional CTEs and main query).
+     *
+     * @return array{
+     *     list<mixed>|array<string, mixed>,
+     *     WrapperParameterTypeArray,
+     * } The parameters and types bound to the CTE queries merged with those bound to the main query.
+     */
+    private function boundParameters(): array
+    {
+        if (count($this->withParts) === 0) {
+            return [$this->params, $this->types];
+        }
+
+        $cteParams = $cteParamsTypes = [];
+
+        foreach ($this->withParts as $withPart) {
+            if (! $withPart->query instanceof self) {
+                continue;
+            }
+
+            $cteParams      = array_merge($cteParams, $withPart->query->params);
+            $cteParamsTypes = array_merge($cteParamsTypes, $withPart->query->types);
+        }
+
+        if (count($cteParams) === 0) {
+            return [$this->params, $this->types];
+        }
+
+        return [
+            array_merge($cteParams, $this->params),
+            array_merge($cteParamsTypes, $this->types),
+        ];
+    }
+
     /**
      * Executes an SQL statement and returns the number of affected rows.
      *

tests/Functional/Query/QueryBuilderTest.php

@@ -350,17 +350,17 @@ public function testSelectWithCTENamedParameter(): void
         $cteQueryBuilder = $this->connection->createQueryBuilder();
         $cteQueryBuilder->select('id AS virtual_id')
             ->from('for_update')
-            ->where('virtual_id = :id');
+            ->where('virtual_id = :id')
+            ->setParameter('id', 1);
 
         $qb->with('cte_a', $cteQueryBuilder, ['virtual_id'])
             ->select('virtual_id')
-            ->from('cte_a')
-            ->setParameter('id', 1);
+            ->from('cte_a');
 
         self::assertSame($expectedRows, $qb->executeQuery()->fetchAllAssociative());
     }
 
-    public function testSelectWithCTEPositionalParameter(): void
+    public function testSelectWithCTEPositionalParametersBindForEachQuery(): void
     {
         if (! $this->platformSupportsCTEs()) {
             self::markTestSkipped('The database platform does not support CTE.');
@@ -376,19 +376,22 @@ public function testSelectWithCTEPositionalParameter(): void
         $cteQueryBuilder1 = $this->connection->createQueryBuilder();
         $cteQueryBuilder1->select('id AS virtual_id')
             ->from('for_update')
-            ->where($qb->expr()->eq('virtual_id', '?'));
+            ->where($cteQueryBuilder1->expr()->eq('id', '?'))
+            ->setParameter(0, 1, ParameterType::INTEGER);
 
         $cteQueryBuilder2 = $this->connection->createQueryBuilder();
         $cteQueryBuilder2->select('id AS virtual_id')
             ->from('for_update')
-            ->where($qb->expr()->in('id', '?'));
+            ->where($cteQueryBuilder2->expr()->in('id', ':id'))
+            ->setParameter('id', [1, 2], ArrayParameterType::INTEGER);
 
         $qb->with('cte_a', $cteQueryBuilder1, ['virtual_id'])
             ->with('cte_b', $cteQueryBuilder2, ['virtual_id'])
             ->select('a.virtual_id')
             ->from('cte_a', 'a')
             ->join('a', 'cte_b', 'b', 'a.virtual_id = b.virtual_id')
-            ->setParameters([1, [1, 2]], [ParameterType::INTEGER, ArrayParameterType::INTEGER]);
+            ->where($qb->expr()->eq('a.virtual_id', '?'))
+            ->setParameter(0, 1, ParameterType::INTEGER);
 
         self::assertSame($expectedRows, $qb->executeQuery()->fetchAllAssociative());
     }