doctrine · derrabus · Dec 30, 2022 · Dec 29, 2022
diff --git a/UPGRADE.md b/UPGRADE.md
@@ -8,6 +8,10 @@ awareness about deprecated code.
 
 # Upgrade to 4.0
 
+## Removed `Connection::PARAM_*_ARRAY` constants
+
+Use the enum `ArrayParameterType` instead.
+
 ## Disallowed partial version numbers in ``serverVersion``
 
 The ``serverVersion`` connection parameter must consist of 3 numbers:

diff --git a/src/ArrayParameterType.php b/src/ArrayParameterType.php
@@ -4,41 +4,30 @@
 
 namespace Doctrine\DBAL;
 
-use Doctrine\DBAL\ArrayParameters\Exception\InvalidParameterType;
-
-final class ArrayParameterType
+enum ArrayParameterType
 {
     /**
      * Represents an array of ints to be expanded by Doctrine SQL parsing.
      */
-    public const INTEGER = 101;
+    case INTEGER;
 
     /**
      * Represents an array of strings to be expanded by Doctrine SQL parsing.
      */
-    public const STRING = 102;
+    case STRING;
 
     /**
      * Represents an array of ascii strings to be expanded by Doctrine SQL parsing.
      */
-    public const ASCII = 117;
+    case ASCII;
 
-    /**
-     * @internal
-     *
-     * @psalm-param self::INTEGER|self::STRING|self::ASCII $type
-     */
-    public static function toElementParameterType(int $type): ParameterType
+    /** @internal */
+    public static function toElementParameterType(self $type): ParameterType
     {
         return match ($type) {
             self::INTEGER => ParameterType::INTEGER,
             self::STRING => ParameterType::STRING,
             self::ASCII => ParameterType::ASCII,
-            default => throw InvalidParameterType::new($type),
         };
     }
-
-    private function __construct()
-    {
-    }
 }
diff --git a/src/Cache/QueryCacheProfile.php b/src/Cache/QueryCacheProfile.php
@@ -5,8 +5,7 @@
 namespace Doctrine\DBAL\Cache;
 
 use Doctrine\DBAL\Cache\Exception\NoCacheKey;
-use Doctrine\DBAL\ParameterType;
-use Doctrine\DBAL\Types\Type;
+use Doctrine\DBAL\Connection;
 use Psr\Cache\CacheItemPoolInterface;
 
 use function hash;
@@ -17,6 +16,8 @@
  * Query Cache Profile handles the data relevant for query caching.
  *
  * It is a value object, setter methods return NEW instances.
+ *
+ * @psalm-import-type WrapperParameterType from Connection
  */
 class QueryCacheProfile
 {
@@ -50,9 +51,9 @@ public function getCacheKey(): string
     /**
      * Generates the real cache key from query, params, types and connection parameters.
      *
-     * @param list<mixed>|array<string, mixed>                                                       $params
-     * @param array<int, int|string|ParameterType|Type>|array<string, int|string|ParameterType|Type> $types
-     * @param array<string, mixed>                                                                   $connectionParams
+     * @param list<mixed>|array<string, mixed> $params
+     * @param array<string, mixed>             $connectionParams
+     * @psalm-param array<int, WrapperParameterType>|array<string, WrapperParameterType> $types
      *
      * @return array{string, string}
      */

diff --git a/src/Connection.php b/src/Connection.php
diff --git a/src/ExpandArrayParameters.php b/src/ExpandArrayParameters.php
@@ -14,9 +14,9 @@
 use function array_key_exists;
 use function count;
 use function implode;
-use function is_int;
 use function substr;
 
+/** @psalm-import-type WrapperParameterTypeArray from Connection */
 final class ExpandArrayParameters implements Visitor
 {
     private int $originalParameterIndex = 0;
@@ -31,11 +31,13 @@ final class ExpandArrayParameters implements Visitor
     private array $convertedTypes = [];
 
     /**
-     * @param array<int, mixed>|array<string, mixed>                                               $parameters
-     * @param array<int,int|string|ParameterType|Type>|array<string,int|string|ParameterType|Type> $types
+     * @param array<int, mixed>|array<string, mixed> $parameters
+     * @psalm-param WrapperParameterTypeArray $types
      */
-    public function __construct(private readonly array $parameters, private readonly array $types)
-    {
+    public function __construct(
+        private readonly array $parameters,
+        private readonly array $types,
+    ) {
     }
 
     public function acceptPositionalParameter(string $sql): void
@@ -90,7 +92,7 @@ private function acceptParameter(int|string $key, mixed $value): void
 
         $type = $this->types[$key];
 
-        if (! is_int($type)) {
+        if (! $type instanceof ArrayParameterType) {
             $this->appendTypedParameter([$value], $type);
 
             return;
@@ -102,8 +104,7 @@ private function acceptParameter(int|string $key, mixed $value): void
             return;
         }
 
-        /** @psalm-suppress ArgumentTypeCoercion */
-        $this->appendTypedParameter($value, ArrayParameterType::toElementParameterType($type)); // @phpstan-ignore-line
+        $this->appendTypedParameter($value, ArrayParameterType::toElementParameterType($type));
     }
 
     /** @return array<int,string|ParameterType|Type> */

diff --git a/src/Query.php b/src/Query.php
@@ -4,18 +4,17 @@
 
 namespace Doctrine\DBAL;
 
-use Doctrine\DBAL\Types\Type;
-
 /**
  * An SQL query together with its bound parameters.
  *
  * @psalm-immutable
+ * @psalm-import-type WrapperParameterType from Connection
  */
 final class Query
 {
     /**
-     * @param array<mixed>                         $params
-     * @param array<int|string|ParameterType|Type> $types
+     * @param array<mixed> $params
+     * @psalm-param array<WrapperParameterType> $types
      *
      * @psalm-suppress ImpurePropertyAssignment
      */
@@ -37,7 +36,7 @@ public function getParams(): array
         return $this->params;
     }
 
-    /** @return array<int|string|ParameterType|Type> */
+    /** @psalm-return array<WrapperParameterType> */
     public function getTypes(): array
     {
         return $this->types;

diff --git a/src/Query/QueryBuilder.php b/src/Query/QueryBuilder.php
@@ -4,6 +4,7 @@
 
 namespace Doctrine\DBAL\Query;
 
+use Doctrine\DBAL\ArrayParameterType;
 use Doctrine\DBAL\Cache\QueryCacheProfile;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Exception;
@@ -15,7 +16,6 @@
 use Doctrine\DBAL\Result;
 use Doctrine\DBAL\Statement;
 use Doctrine\DBAL\Types\Type;
-use Doctrine\Deprecations\Deprecation;
 
 use function array_key_exists;
 use function array_keys;
@@ -35,6 +35,8 @@
  * The query builder does no validation whatsoever if certain features even work with the
  * underlying database vendor. Limit queries and joins are NOT applied to UPDATE and DELETE statements
  * even if some vendors such as MySQL support it.
+ *
+ * @psalm-import-type WrapperParameterTypeArray from Connection
  */
 class QueryBuilder
 {
@@ -48,12 +50,12 @@ class QueryBuilder
      *
      * @var list<mixed>|array<string, mixed>
      */
-    private $params = [];
+    private array $params = [];
 
     /**
      * The parameter type map of this query.
      *
-     * @var array<int, int|string|ParameterType|Type>|array<string, int|string|ParameterType|Type>
+     * @psalm-var WrapperParameterTypeArray
      */
     private array $types = [];
 
@@ -345,16 +347,14 @@ public function getSQL(): string
      *         ->setParameter('user_id', 1);
      * </code>
      *
-     * @param int|string                $key   Parameter position or name
-     * @param mixed                     $value Parameter value
-     * @param string|ParameterType|Type $type  Parameter type
+     * @param int|string $key Parameter position or name
      *
      * @return $this This QueryBuilder instance.
      */
     public function setParameter(
         int|string $key,
         mixed $value,
-        string|ParameterType|Type $type = ParameterType::STRING,
+        string|ParameterType|Type|ArrayParameterType $type = ParameterType::STRING,
     ): self {
         $this->params[$key] = $value;
         $this->types[$key]  = $type;
@@ -376,8 +376,8 @@ public function setParameter(
      *         ));
      * </code>
      *
-     * @param list<mixed>|array<string, mixed>                                                       $params
-     * @param array<int, int|string|ParameterType|Type>|array<string, int|string|ParameterType|Type> $types
+     * @param list<mixed>|array<string, mixed> $params
+     * @psalm-param WrapperParameterTypeArray $types
      *
      * @return $this This QueryBuilder instance.
      */
@@ -414,7 +414,7 @@ public function getParameter(string|int $key): mixed
     /**
      * Gets all defined query parameter types for the query being constructed indexed by parameter index or name.
      *
-     * @return array<int, int|string|ParameterType|Type>|array<string, int|string|ParameterType|Type>
+     * @psalm-return WrapperParameterTypeArray
      */
     public function getParameterTypes(): array
     {
@@ -425,10 +425,8 @@ public function getParameterTypes(): array
      * Gets a (previously set) query parameter type of the query being constructed.
      *
      * @param int|string $key The key of the bound parameter type
-     *
-     * @return int|string|ParameterType|Type The value of the bound parameter type
      */
-    public function getParameterType(int|string $key): int|string|ParameterType|Type
+    public function getParameterType(int|string $key): string|ParameterType|Type|ArrayParameterType
     {
         return $this->types[$key] ?? ParameterType::STRING;
     }
@@ -1311,7 +1309,7 @@ public function __toString(): string
      */
     public function createNamedParameter(
         mixed $value,
-        string|ParameterType|Type $type = ParameterType::STRING,
+        string|ParameterType|Type|ArrayParameterType $type = ParameterType::STRING,
         ?string $placeHolder = null,
     ): string {
         if ($placeHolder === null) {
@@ -1343,7 +1341,7 @@ public function createNamedParameter(
      */
     public function createPositionalParameter(
         mixed $value,
-        string|ParameterType|Type $type = ParameterType::STRING,
+        string|ParameterType|Type|ArrayParameterType $type = ParameterType::STRING,
     ): string {
         $this->setParameter($this->boundCounter, $value, $type);
         $this->boundCounter++;

diff --git a/tests/Connection/ExpandArrayParametersTest.php b/tests/Connection/ExpandArrayParametersTest.php
@@ -7,15 +7,26 @@
 use Doctrine\DBAL\ArrayParameters\Exception\MissingNamedParameter;
 use Doctrine\DBAL\ArrayParameters\Exception\MissingPositionalParameter;
 use Doctrine\DBAL\ArrayParameterType;
+use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\ExpandArrayParameters;
 use Doctrine\DBAL\ParameterType;
 use Doctrine\DBAL\SQL\Parser;
 use Doctrine\DBAL\Types\Type;
 use PHPUnit\Framework\TestCase;
 
+/** @psalm-import-type WrapperParameterTypeArray from Connection */
 class ExpandArrayParametersTest extends TestCase
 {
-    /** @return mixed[][] */
+    /**
+     * @psalm-return iterable<array{
+     *                   string,
+     *                   array<string, mixed>|array<int, mixed>,
+     *                   WrapperParameterTypeArray,
+     *                   string,
+     *                   array<string, mixed>|array<int, mixed>,
+     *                   array<string, string|Type|ParameterType>|array<int, string|Type|ParameterType>,
+     *               }>
+     */
     public static function dataExpandListParameters(): iterable
     {
         return [
@@ -316,10 +327,10 @@ public static function dataExpandListParameters(): iterable
     }
 
     /**
-     * @param array<int, mixed>|array<string, mixed>                     $params
-     * @param array<int, int|string|Type>|array<string, int|string|Type> $types
-     * @param list<mixed>                                                $expectedParams
-     * @param array<int,Type|int|string>                                 $expectedTypes
+     * @param array<int, mixed>|array<string, mixed>                                         $params
+     * @param array<int, mixed>|array<string, mixed>                                         $expectedParams
+     * @param array<int, string|Type|ParameterType>|array<string, string|Type|ParameterType> $expectedTypes
+     * @psalm-param WrapperParameterTypeArray $types
      *
      * @dataProvider dataExpandListParameters
      */
@@ -338,7 +349,13 @@ public function testExpandListParameters(
         self::assertEquals($expectedTypes, $types, 'Types dont match');
     }
 
-    /** @return mixed[][] */
+    /**
+     * @return list<array{
+     *             string,
+     *             array<string, mixed>,
+     *             array<string, ArrayParameterType>
+     *         }>
+     */
     public static function missingNamedParameterProvider(): iterable
     {
         return [
@@ -366,8 +383,8 @@ public static function missingNamedParameterProvider(): iterable
     }
 
     /**
-     * @param array<int, mixed>|array<string, mixed>                     $params
-     * @param array<int, int|string|Type>|array<string, int|string|Type> $types
+     * @param array<string, mixed>              $params
+     * @param array<string, ArrayParameterType> $types
      *
      * @dataProvider missingNamedParameterProvider
      */
@@ -379,7 +396,7 @@ public function testMissingNamedParameter(string $query, array $params, array $t
     }
 
     /**
-     * @param array<int, mixed>|array<string, mixed> $params
+     * @param list<mixed> $params
      *
      * @dataProvider missingPositionalParameterProvider
      */
@@ -390,7 +407,7 @@ public function testMissingPositionalParameter(string $query, array $params): vo
         $this->expandArrayParameters($query, $params, []);
     }
 
-    /** @return mixed[][] */
+    /** @return iterable<string, array{string, list<mixed>}> */
     public static function missingPositionalParameterProvider(): iterable
     {
         return [
@@ -406,10 +423,10 @@ public static function missingPositionalParameterProvider(): iterable
     }
 
     /**
-     * @param array<int, mixed>|array<string, mixed>                     $params
-     * @param array<int, int|string|Type>|array<string, int|string|Type> $types
+     * @param array<int, mixed>|array<string, mixed> $params
+     * @psalm-param WrapperParameterTypeArray $types
      *
-     * @return array{string, list<mixed>, array<int,string|ParameterType|Type>}
+     * @return array{string, list<mixed>, array<string|ParameterType|Type>}
      */
     private function expandArrayParameters(string $sql, array $params, array $types): array
     {